Text

Rev 1 to Qualification of EA180 Series Limit Switches for Use in Nuclear Power Plants in Compliance W/Ieee Stds 323-1974,382-1972 & 344-1975
	ML20077N090
Person / Time
Site:	Limerick
Issue date:	08/28/1980
From:	; NAMCO
To:	;
Shared Package
ML20077N044	List: ML20077N029; ML20077N051; ML20077N056; ML20077N064; ML20077N071; ML20077N081; ML20077N090; ML20077N096;
References
	QTR-105, QTR-105-R01, QTR-105-R1, NUDOCS 8309120514
	Download: ML20077N090 (162)
	v • d • e

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I f s t s 9 8- 5 4 9 9 REPLY TO: 149 CUCU9A SE R STREET JEFFE RSCN, OMIO 44047 * (216) 576-4070 REPORT NO. QTR 105 DATE AUG. 28, 1980 REVISION 1 i

COPY NO. / 4/2 f QUALIFICATION OF EA180 SERIES LIMIT SWITCHES FOR USE IN NUCLEAR POWER PLANTS IN COMPLIANCE WITH IEEE STANDARDS 323-1974, 382-1972 AND 344-1975.

THIS REPORT IS AN EXTENSION OF EA180 QUALIFI- ,

CATION REPORTS DATED SEPTEMBER 5, 1978 AND MARCH 3, 1978.

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4 NAMCO CONTROL.S QTR 105 April 3, 1980 REVISION RECORD s .)

REVISION DESCRIPTION PAGE DATE O Rough Draft 4/3/80 1 Revise & lst Release 7/30/80 Revise PP 4-2, 4-3 &

4-6.

2 Revise the following 8/28/80 pages: 0-3, 3-2, 3-7, 4-1, 4-4, 4-5, 4-6, 5-1, 5-2, 5-3, 5-4, 6-1, 7-6, 9-1, 9-3, Add Section 11.0

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QTR 105 AUGUST 28, 1980 k INDEX SECTION DESCRIPTION PAGE 1.0 PURPOSE OF QUALIFICATION TEST 1-1 REPORT 2.0 APPLICABLE SPECIFICATIONS AND 2-1 DRAWINGS 3.0 GENERIC GROUP IDENTIFICATION, 3-1 SPECIFICATIONS AND SELECTION FOR TEST 4.0 SERVICE CONDITIONS, INSTALLATION 4-1 REQUIREMENTS, MAI NTENANC E AND QUALIFIED LIFE

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5.0 TEST SEQUENCE AND RATIONAL FOR 5-1 TEST CONDITIONS 6.0 INSPECTION AFTER TEST 6-1 7.0 COMMENTS,

SUMMARY

AND CONCLUSIONS 7-1

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8.0 DESCRIPTION

OF PRODUCT IMPROVEMENT 8-1 CHANGES 9.0 ATTACHMENTS 9-1 10.0 TEST REPORTS 10-1 11.0 TEST PLAN 11-1

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NAMCO CCNTROL.S QTR 105 April 2t 1980 FIGURES .

FIGURES PhGE 1 List of Limit Swi tches 3-2 Analyzed for, Generic Group (Standard 10 Operation) 2 List of Limit Switches 3-7 Analyzed for Geperic Group (Short Travel 8 Operation)

List of Limit Switches

3 Analyzed for Generic Group (Standard Maintained Operation) 4 List of Limi t Swi tches

Analyzed for Generic Group (Short Travel Maintained Operation) 5 Installation instructions 4-2 EA189 90006 6 Maintenance instructions 4-3 EA189 90051 7 List of Non-Metallic Materials 4-11 !

Used in the Qualified Limit Switch 8 Arrhenius Curve for Estimated 4-12 Qualified Life 9 Resonance Search Plot 7-3 10 Sine Dwell Plot 7-4 l 11 Identi fication of Production 3-10 l Switches l

Not available, tests in process.

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NAMCO CCVVTRCM.S QTR 105 April 3, 1980

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1.0 PURPOSES OF QUALIFICATION TEST REPORT:

1.1 This Qualification Test Report (QTR) will extend the original qualification of the EA180 series limit switch to include several product improve-ment changes. See Section 9.0 for description of the.se changes.

1.2 The original EA180 Quali tication Reports are dated September 5, 1978 and March 3, 1978.

1.3 This QTR is for a series of type tests in support of EA180 series generic group qualification to IEEE Std. 323-1974, 344-1975 and 382-1972. These standards pertain to Class IE safety-related equip-ment for use in nuclear power plants.

1.4 This QTR summarizes the test reports provided by Acme-Cleveland Development Com'pany and compare ,

them to the requirements of the original test plan, 1.5 This QTR will provide the additional data required by IEEE Std. 323-1974, Section 6.? Equipment Per-formance Speci fications, such as; Performance Char-acteristics, Ratings, Installation Requi rements, Preventative Maintenance, Design Life, Auxiliary Devices Requi red, Rated Service Conditions, Periodic Quality Control Tests and Estimated Qualified Life.

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NAMCO CCWVTROL.S QTR 105 April 3, 1980 I

1.0 PURPOSES OF QUAllFICATION TEST REPORT: (CONT'D.)

1.6 The tests verify the limit swi tch performance and include; Aging Simulation, Wear Aging, Radiation Exposure, Seismic Qualification and Design Basis Event Environmental Conditions.

1.7 The tests envelope the environmental conditions set forth in Section 4.0.

1.8 Justi fication for test requirements and/or condi-tions will be provided where necessary.

1.9 Note: it is the user's responsibility to determine the acceptability of the tests methods, procedures and specifications for a speci fic application.

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i NAMCO CCvv7WS QTR 105 April 3, 1980

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2.0 APPLICABLE SPECIFICATIONS AND DRAWINGS:

2.1 The listed IEEE standards were used as guidelines in the preparation and performance of this quali-fication program.

2.2 IEEE Std. 323-1974 - Std. for Qualifying Class IE Equipment for Nuclear Power Generating Stations.

2.3 IEEE Std. 382-1972/ ANSI N41.6

- I EEE Trial-Use Guide For Type Test of Class I E Electric Valve Operators for Nuclear Power Generating Stations.

2.4 IEEE Std. 344-1975 - Recommended Practice for Seismic Qualification of Class IE Equipment for Nuclear Power Generating Stations.

2.5 Namco Controls Test Plan No. LP10767-3 Test Plan for Qualification of Series EA180 and EA740 Limit l

l Switches.

2.6 Namco Controls Drawings 2.6.1 EA180-Il302 Limit Switch Assembly 2.6.2 EA180-14302 Limit Switch Assembly l

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NAMCO CONTROLS QTR 105 April 3, 1980 i

k 3.0 GENERIC GROUP IDENTIFICATION, SPECIFICATIONS AND SELEC-TION FOR lEST 3.1 Generic Group Qualification provided by type test T.R. 3613-PP (Section 10.1). The generic group of EA180 limit swi tches quali fied by T.R. 3613-PP is described as the " standard" series limit switch with a ten (10) degree trip travel, three (3) mounting types and two (2) modes of operation.

3.1.1 The selection of the EA180 limit switch to be used for test was based upon an Engineer-ing analysis of the six (6) limit switch part numbers listed in Figure 1.

The analysis was based upon computation of 4

N the allowable tensile and shear areas and strength of the fasteners for the various methods of mounting and attachment "of the back cover.

I t was concluded that the EA180-ll302, stan-dard mounting, represented the most conser-vative (most severe) conditions for test.

3.1.2 The di rection of rotation to operate the switch does not affect the test program be-

- cause the swi tch mechani sm i s symmetrical .

The test sequence also provides for testing in the operated and unoperated conditica.

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NAMCO CONTROLS QTR 105 AUGUST 28, 1980

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3.0 GENERIC GROUP IDENTIFICATION, SPECIFICATIONS AND SELEC- e TION FOR TEST (CONT'D.)

List of Limit Switches

in Standard Operating (10 )

Generic Group MOUNTING ROTATION PART NUMBER TYPE DESCRIPTION

EA180-11302 STD Two threaded holes on either CW EA180-12302 STD side of housing CCW

_EA180-21302 Style 1 Four holes through wide CW EA180-22302 Style 1 bottom cover CCW

_EAl_80 - 31302 S t y l e _2_ _, Four holes through long CW Style 2 bottom cover CCW EA180-3_2302

Di rection of rotation of lever shaft to operate switch.

View- f acing lever shaf t.

Figure 1 3-2 o

NAMCO CCyVTSPCW S QTR 105 April 3, 1980

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3.0 GENERIC GROUP IDENTIFICATION, SPECIFICATIONS AND.SELEC-TION FOR TEST (CONT'D.)

3.1.3 With exception of the back cover all other components of the listed limit switch part numbers are common.

3.2 Selection and identification of the limit switch for test per T.R. 3613-PP.

3.2.1 The EA180-Il302 limit switch used in this test was one chosen at random f rom several assembled on the Namco Controls production line by Production personnel. All parts were per bill of materials EZ10683-90 and subjected to standard inspection procedures.

( 3.2.2 Identification The test switch was marked with the follow-ing:

Part Number EA180-11302 Engineering Number EZ10683-90 Date of Manufacture 3979 Factory Order Number 13658 Test Number 138-90 3.2.3 Throughout test report T.R. 3613-PP this switch is referred to as No. 138-90.

3.3 Specifications for qualified limit sw.tch generic g roup , pe r T. R. 3613-PP, IEEE 323-74, 6.2(2).

The specifications for the EA180-ll302 group limit I

( switch are as follows:

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NAMCO CCWTAOLS QTR 105 April 3, 1980 3.0 GENERIC GROUP lDENTIFICATION, SPECIFICATIONS AND SELEC-TION FOR TEST (CONT'D.)

3.3.1 The switch is a heavy duty, double pole, double throw, butt contact, quick break and quick make type.

3.3.2 Nanepl ate rating:

125VAC -

20A 250VAC -

15A 480VAC -

ICA 600VAC -

SA Power Factor of Load 75-100%

125VDC -

SA 250VDC - 1.5A 3.3.3 operating data Pretravel -

10' Di fferential Travel -

'8*

Recommended Travel -

13 Maximum Torque during Pretravel - 21 In. Lbs.

Note:

When operated the limit switch lever shaft is spring loaded and will return to the original position if released.

3.3.4 Enclosure type

. The switcl, enclosure meets the requirements ,

of NEMA 1, 4 & 13, 3.3.5 See assembly drawing EA180-ll302 for other detailed information such as size and shape. l l

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NAMCO CONTROLS QTR 105 AUGUST 28, 1980 ,

i 3.0 GENERIC GROUP IDENTIFICATION, SPECIFICATIONS AND SELEC-T10N FOR TEST (CONT'D.)

List of in Short Limit (8 Travel pw) itches Operating Generic Group MOUNTING TYPE DESCRIPTION EA180-14302 STD Two threaded holes on either CW EA180-15302 STD side of housing CCW EA180-24f02 Style i Four holes through wide CW EA180-25302 Style 1 bottom cover CCW ~

, ~ tall 0-34302 Style 2 Four holes through long CW l EA180-35302 S_tyle 2 bottom cover CCW l

Di rection of rotation of lever shaf t to operate switch.

View-facing lever shaft.

Figure 2

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NAMCO CC>vTm

, QTR 105 April 21, 1980 3.0 GENERIC GROUP IDENTIFICATION SELECTION FOR TEST (CONT'D.), SPECIFICATIONS AND 7

3.5 Speci fications for qualified limit switch generic short travel group, IEEE 323-74, 6.2 (2).

The specifications for the EA18014302 group limit.

switch are as follows:

3.5.1 The switch is a heavy duty, double pole, double throw, butt contact, quick break and quick make type.

3.5.2 Nameplate rating:

125VAC - 20A 250VAC - 15A 480VAC - 10A 600VAC -

5A !

Power factor of load 75-100%

125VAC -

SA 250VAC - 1.5A 3.5.3 operating data:

Pretravel - 6* 30' Di fferential travel - 4*

Recommended travel -7 Maximum torque during pretravel - 38 in. Lbs.

Note: When operated the limit switch lever shaft is spring loaded and will return to the original position if released.

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NAMCO OCNTFOOt.S QTR 105 April 21, 1980 3.0 GENERIC GROUP IDENTIFICATION, SPECIFICATIONS AND SELECTION FOR TEST (CONT'D.)

3.3.6 Production released bill of materials for switch part numbers qualified to this report are identified with QTR 105, First release was Revision H.

3.3.7 Production manufactured switches are iden-ti fied with the following as shown in Figure 11:

Part Number Ratings B/M Revision Factory Order Code

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NAMCO CONTROt.S QTR 105 April 3, 1980

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3.0 GENERIC GROUP IDENTIFICATION, SPECIFICATIONS AND SELECTION FOR TEST (CONT'D.)

3.4 Generic group quali fication of "short travel" series limit switches.

3.4.1 The generic group of EA18014302 short travel limit switches listed in Figure 2 is qualified by similarity to switches tested in T.R. 3613-PP (Section 10.1) and supplementary tests (Section 10.2).

3.4.2 Similari ty analysis. An Engineering com-paritive analysis of the short travel limit switch with the standard EA180 determined the only difference is in the latching mechanism.

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3 3.4.3 A short travel switch #83 (EA180 14302) was subjected to heat aging, wear tests, radiation exposure, seismic test and plant induced vibration simulation. (Section 10.2) 3.4.4

Conclusion:

The EA180-14302 short travel series of limit switches is quali fied by similarity to switches tested in T.R. 3613-PP (Section 10.1). The mechanical di fferences in the latching mechanism did not affect qualification as illustrated by supplementary test reported in Section 10.2.

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F MMCO CONTRCLS QTR 105 April 21, 1980 I

3.0 GENERIC GROUP IDENTIFICATION, SPECIFICATIONS AND SELECTION FOR TEST (CONT'D.)

3.5.4 Enclosure type The switch enclosure meets the requirements of NEMA 1, 4 & 13, 3.5.5 See assembly drawing EA18014302 for other detailed information such as size and shape.

3.5.6 Production released bill of materials for switches qualified to this report are Iden-ti fied wi th QTR 105. Fi rst release was Revision H.

3.5.7 Production manufactured switches are iden-ti fied with the following, as shown in

d. Figure 11:

Part Number Ratings Date Code B/M Revision -

1 Factory Order Code l

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NAMCO CC>NTM QTR 105 April 21, 1980

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I 3.0 GENERIC GROUP IDENTIFICATION, SPECIFICATIONS AND SELECTION FOR TEST (CONT'D.)

Identification of Production Switches MFR Date Code System Prior To Sept., 1979 r h- Top Cover

(Part No. & Rating)

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Revision Level Factory Order Code Present MFR Date Code System 4- -

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e NAMCO CONTROt S QTR 105 April 3, 1980 k,

4 CERTIFICATION .

THIS QUAllFICATION TEST REPORT IS A TRUE AND ACCURATE PRESENTATION BASED UPON THE ENGINEERING DATA AND TEST REPORTS AVAll-ABLE AT THE TIME.

FAC.2Ast John R. Bendokaitis 7b' P roj ect Engineer .

Nuclear Switch Coordinator l

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NAMCO CCNTRCLS QTR 105 AUGUST 28, 1980 5(

4.0 SERVICE CONDITIONS, INSTALLATION REQUIREMENTS, MAINTE-NANCE AND QUALIFIED LIFE (REF. IEEE 323-1974, SECTION 6.2) 4.1 Installation and connection requ i remen t s .

See EA189 90006 (Figure 5) for special instructions.

4.2 Preventive maintenance.

For preventive maintenance during installed life of the limit switch, see EA189 90051 (Figure 6). Re-placement parts kit numbers are provided in these instructions.

4.3 Design life.

The mechan.ical design life is 500,000 cycles (Min.).

Electrical design life is 500,000 cycles (Min.).

The above design life estimations are based upon k normal ambient conditions.

4.4 Auxiliary devices required for proper function of the l imi t swi tch .

Although it was not considered a part of the quali-fication test, an operating lever is required for proper operation of the limit switch.

The Namco Controls catalog lists operating levers of many configurations and materials, it is the users responsibility to chose one suit-l able for the application, i

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EA189-90006 INSTALLATION. INSTRUCTIONS ,o

- EA180 NUCLEAR SWITCl4 -i

. SILICONE GA.KETS

o THIS SWITCll 15 DESIGNED FOR USE IN THE INNER CONTAINHENT AREA 0F A NUCLIAR POWER GENERATING STATION. TO HAINTAIN SWiTCll INTEGRITY THE FOLLOWING INSTRUCTIONS MUST BE FOLLOWED.

1.0 ELECTRICAL CONNECTIONS 1.1 WIRE PASSAGE THROUGH SWITCll CONDUlT ENTRANCE HUST BE SEALED IN SUCH A WAY AS TO HAINTAIN THE SWITCil INTEGRITY UNDER REQUIRED SERVICE CONDIT,10NS.

- 1.2 WlRE TERMINALS SilALL NOT BE OF ZlNC OR ZINC PLATED HATERI AL.

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1.3 SOLDERED WIRE ENDS MUST BE CLEAN AND FREE FROM FLUX.

2.0 INSTALLATION OF TOP COVER 2.1 ALIGNMENT OF SCREW HOLES OF COVER AND GASKET Sil0ULD BE CllECKED.

2.2 TORQUE SCREWS IN A STAGGERED PATTERN, FROH SIDE-T0 SIDE'.

2.3 TOP COVER SCREWS MUST IIAVE DELLEVILLE WAsilER AND 0-RING.

2.4 TORQUE TOP COVER SCREWS 20 INCH POUNDS.

2.5 GASKETS TORN AROUND SCREW HOLES OR OTHERWISE DAMAGED HUST BE REPLACED.

3.0 DD NOT REMOVE BOTTOM COVERS, CllECK SCREWS FOR TIGitTNESS, HUST BE 20 INCH POUNDS.

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C NOTE: THE ABOVE INSTRUCTIONS ARE TO BE PRINTED ON 40-60# BO'ND PAPER APPROX. 4 X 6.

FOLD ONCE LENGTilWlSE AND PACK WITH SWlTCil.

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TilESE INSTRUCTIONS ARE TO DE USED FOR THE FOLLOW-lllG SWITCH PART NuttDERS AND CORRESPONDitlG REVISION LEVELS.

PART NullDER REVISION LETTER (5)

TOP COVER (PART NO. & RATING)

EAl80 11302 - - - - H EAl80 12302 - - - - H Q

' n!nIUM::::!l CONDL'IT END 0F POUSlHG f HONTH AND YEAR ! EAl80 32302 - - - - H AFTER SEPT., 1979 EA180 33302 - - - - H WEEK AND YEAR EAl80 3fs302 - - - - H (

EAl80 35302 - - - - H ri

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EAiE9 73051 f tA I NT E!!ANC E It.STRUCTIONS PA~,E 2 er 3 TYPE Of SWITCH: E A 160 11302- REV. H AND OT"ER f t0DELS AS LISTED C DESCRIPTieti : EAISO NUCLEAR SWITCH WITil SILICONE GASKETS $

1 PERIOD Of flFG.: FRC!! FEBRUARY, 1980 1.0 UNSCHEDULED flAINTENANCE: o m

IN THE EVEliT TilAT THE SillTCil DOES NOT FUNCTION PROPERLY.

1.1 CHECK #1ECHANICAL OPERATION, REMOVE SWITCil IF SLUGGISil. REf t0VE BOTT0f t COVER, RELUSRICATE S TICKlflG CCitPONENTS. USE NYE 438 Oll.

1.2 IrtS T

LL P0TT011 COVER , REPLACE GASKET DO NOT LtIORICATE ELECTRICAL SIDE.

IF DAllAGED (4.4). TORQL'E SCREWS TO 20 IN. LBS. OR AS SPECirlED IN GASKET KIT.

1.3 IF SWITCH 00ES NOT CARRY OPERAT!flG CURRENT, REMOVE PCWER, REl10VE TOP COVER, CHECK OPERATION,

. CLEAN CONTACTS (4.1). IF CLOSED CONTACT RESISTANCE REl1AINS GREATER THAN CtJE OHtt, SEE 2.3.

1.4 lilSTALL TOP CCVER, REPLACE GASKET IF DAltAGED (4.3). TORQUE SCREUS TO 20 IN. LBS. OR AS SPECIFIED IN GASKET Kl!.

1.5 REPLACE BOOT IF DAllAGED (4.7).

f 2.0 SCHEDULED HAlNTENANCE:

." SEE SERVICE TEMPERATURE VS. SERVICE TlHE CilART BCLOW TO DETERillNE WilEN THE FOLLOWING HAINTENANCE SHOULD DE PERFORi1ED.

SERVICE TEMPERATilRE SERVICE TlHE

> 40'C - - - - - - - - - - 20 YEARS 45'C - - - - - - - - - - 10 YEARS

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50,C - - - - - - - - - - 5 YEARS 2

c, 60 C - - - - - - - - - - 3 YEAP.S

@ 2.1 REi40VE SWI TCil. REMOVE BOTTOM COVER AND BOOT. REPLACE LEVER S'ilAFT AND 0-RING ASSEMBLY (4.8).

tri LUSRICATE MOVING PARTS (4.2) .

INSTALL BOTTOM COVER AND REPLACE COTT9fi COVER GA5KET AND

SCREWS (4.4). TORQUE BOTT0H COVER SCREWS TO 20 IN. LBS. OR AS SPECIFIED IN GASKET KIT.

REPLACE BOOT (4.7).

n 2.2 REllCVE TCP COVER. CLEAN CONTACTS (4.1). t' rei

@ 2.3 REPLACE CONTACT l.EVER ASSEf1 GLY (4.5) TIIEN CONTACT BLOCK ASSEMBLY (4.6) IF ANY CLOSED CONTACT u

-t RES I5i ANCE REllAINS AB0VE ONE OliM.

g 2.4 M lNSTALL TOP COVER AND REPLACE TOP COVER GASKET AND SCREWS (4.3).. TORQUE TOP COVER SCREWS TO I 20 IN. LSS. OR AS SPECirlED IN GASKET KIT.

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EA189 90051 ftAINTFNANCE INSTRilCTIONS OF 3 TYPE OF SWI TCit:

DESCRIPTION :

EAIBO 11302 REV. It AND OTilER MODELS AS LISTED EAl80 flUCLEAR SWITCll WITil SILICONE GASKETS

$:o PERIOD OF MFG.: FROM FEBRUARY, I980 3.0 SCIIEDULED MAINTEt4ANCE:

EVERY 20 YEARS IF SWITCil WAS CONTlHUOUSLY EXPOSED TO SERVICE TEMPERATURE lilGilER THAN 50'C.

3.1 Ritt0VE SWI TCil. REMOVE TOP COVER. REMOVE AND REPLACE CONTACT BLOCK ASSEl'BLY (4.6) AND CONTACT LEVER ASSEMBLY (4.S). INSTALL TOP COVER AND REPLACE TOP COVER GASKET IF DAMAGED (ie . 3 ) . TORQUE TOP COVER SCREWS TO 20 IN.,LBS. OR AS SPECIFIED IN GASKET Kli.

4.0 RECOMMENDED INSTRUCTIONS AND REPLACEMENT KITS:

4.1 CONTACT CLEANING: CLEAN ALL DEPOSITS FROM CONTACTS WITil CLEAN ALC0ll0L OR ACETONE USING Q-TIP TYPE APPLICATOR, y 4.2 LUBRICATION PROCEDURE - EA181 10160 (LUBRICANT MANUFACTURER: WILLIAM F. NYE, NEW BEDFORD, MASS.)

4.3 TOP COVER GASKET KIT - EA181 10102 E 4.4 BOTTOM COVER GASKET KIT -

EAl81 10120 4.5 CONTACT LEVER KIT - EA181 10130 4.6 CONTACT BLOCK KIT - EA181 10140 o

g y 4.7 BOOT KIT - EA181 10151 4

-4 4.8 LEVER SHAFT AND 0-RING - EAICI 10170 (FOR STANDARD SWITCHES)

f A}SEMBLY KIT LEVFR SilAFT AND 0-RING -

EA181 10171 (FOR Sil0RT TRAVEL SWITCHES EAICG K4302)

ASSEMELY K1I (SHORT TRAVEL) EA180 XS302)

EA180 X6302) u, rve 7 l' F 9

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NAMCO CCvv7Act_S QTR 105 AUGUST 28, 1980 k 4.0 SERVICE CONDITIONS, INSTALLATION REQUIREMENTS, MAINTE-NANCE AND QUALIFI ED LIFE (REF. IEEE 323-1974, SECTION 6.2)

(CONT'D.)

4.5 Normal service envi ronmental conditions.

The test enveloped the following rated service con-ditions:

4 5.1 Temperature :

Room Temperature to +90 C CH4 O 4.5.2 Pressure : Ambient GnM 4 .5.3 Humidity : 0 to 100% R.H.

6 d .5.4 Radiation : Total exposure 204 x 10 Rads Gamma 4.5.5 Seismic : 0.B.E.

1 - 4 Hz. 0.6 - 9.52 g's 4 -35 Hz. 9.52 g's Plant induced vibration simulation 333,333

(

cycles @ 100 Hz. at .75 g's.

4.6 Design Basis Event conditions.

4.6.1 Environmental conditions for this type test were derived from IEEE 323-1974, Appendix A, for pressurized water reactors and boiling water reactors.

See Figure 3 of thh test report for pressure /

temperature profile obtained.

4.6.2 Radiation total exposure:

204 x 10 6 Rads Gama

4.6.3 Seismic

SSE (Same as 0.B.E.)

1 -

4 Hz. 0.6 - 9.52 g's 4 - 35 Hz. 9.52 g's 4-4

NAMCO OONTF90t S AUGUST 28, 1980 QTR 105 4.0 SERVICE CONDITIONS, INSTALLATION REQUIREMENTS, MAINTE- ,

NANCE AND QUALIFIED LIFE (REF. IEEE 323-1974, SECTION 6.2)

(CONT'D.)

4.7 Operating cycles.

4.7.1 Test The test switch was operated with electrical load for a total of over 100,300 cycles, 100,200 cycles wear cycling and a minimum of 100 cycles during the other tests.

4.7.2 Periodic testing As a Quality Control procedure, randomly selected switches will be heat aged for 400 hours0.00463 days 0.111 hours 6.613757e-4 weeks 1.522e-4 months at 120'C, then operated for a minimum of 100,000 cycles. '

s 4-5

( 'i

NAMCO CONTROLS QiR 105 SEPTEMBER 12, 1980 d

4.0 SERVICE CONDITIONS, INSTALLATION REQUIREMENTS, MAINTE-NANCE AND QUALIFIED LIFE (REF. IEEE 323-1974, SECTION 6.2)

(CONT'D.)

4.8 Estimation of Qualified Life The purpose of this section is to provide an esti-mation of qualified life for the EA180 series limit switches enveloped by this report.

Qualified life is defined as "the period of time for which satisfactory performance can be demonstrated for a specific set of service conditions." (1)

The qualification test subjected the limit switch to several accelerated aging tests which included thermal aging at 120 C for 400 hours0.00463 days 0.111 hours 6.613757e-4 weeks 1.522e-4 months (5.1).

A primary consideration in estimating qualified life

((

is to first determine the aging mechanism' to which the component materials are most susceptible.

The limit switch is composed of metallic and organic components. (Figure 7)

The metallic components, per standard practice in the nuclear industry, are considered to be immune to debilitative aging in the temperature range of this test.

Organic components are susceptible to thermal aging in varying degrees and rates. It was decided to determine the qualified life of these components

,( '

(

4-6

NAMCO OONTROt S QTR 105 SEPTEMBER 12, 1980 I

4.8 Estimation of Qualified Life (Cont'd.)

through the use of the Arrhenius law (2) to mathe-matically extrapolate the thermal aging time / temper-ature to service conditions.

As explained later on in this section an activation energy number of 0.8 eV is considered to be very conservative for the elastomeric parts of the limit s: itch. (2)

Based upon the 0.8 eV the qualified life of the EA180 series limit switch is 5 0 years at 55.0 C, Figure 8.

The qualified life can be extended to 40 years by periodic maintenaire and replacement of the elastomeric components as recommended by Maintenance Procedure ,

EA189 90051 (Figure 6).

The organic components can be divided into three (3) ,

groups:

A. Polymeric Lubricants B. Thermoset Plastic Contact Carrier and Contact Block C. Elastomeric Seals The synthetic hydrocarbon grease has a rating of 250 F (121* C) and the aromatic ether based oil is stable to over 475 F (246*C). (3) Neither the lubricant manu-facturer nor extensive searches of the current chemical literature concerning lubricant has proven useful in 4-7

NAMCO CONTACLS QTR 105 SEPTEMBER 12, 1980

(~ 4.8 Estimation of Qualified Life (Cont'd.)

discovering the thermal aging characteristics of these lubricants. However, due to the ratings of these lubricants and the service conditions that they will be subject to it is Namco Controls' care-fully drawn opinion that the application and amount of lubricant applied will be of much greater conse-quence that changes due to the passage of time.

The qualified life of the lubricant is controlled by the maintenance procedure.

The thermoset plastic parts are made of an asbestos filled phenolic with a temperature index of 150 C.

(\

(4) The manufacturer of the material was not able to provide activation energy data, however, a number of widely varying values have been located for other ,

! phenolics, the lowest value being 0.96 ev. (5)

The elastomeric seals for the limit switch consist ofthesiliconerubbergasketsandanethykenepropy-lene o' ring shaf t seal . The ethylene propylene boot f serves only as an oil retainer and dust shield and therefore, not considered as a seal.

A study and test by Parker Seals (6) concluded that the o' ring seal life appeared to be independent of thermal aging temperatures below 200 F (93 C) and that seal life for ambient temperatures of 55 c to

(( -

4-8 l

eca co~mcx.s QTR 105 SEPTEMBER 12, 1980 I

4.8 Estimation of Qualified Life (Cont'd.)

75 c ranged from 5 to 15 years. Parker was unable to provide an activation energy number.

The manufacturer of the silicone rubber gasket ma-terial was not able to supply aging data on the specific compound used, however, data (8) on this type of material Indicates a normal service life of 10 to 20 years at 250'F (121'C). A study by Martin Marietta (7) indicates an activation energy number of 1.14 for silicones.

As previously stated; based upon the above and through contacts with others in the nuclear industry (2) an activation energy number of 0.8 eV is considered to be very conservative for the clastomeric parts of

()'

the limit switch.

Namco Controls recognizes the importance of thermal aging as a part of qualification and has therefore established a test program to investigate the thermal aging characteristics of the limit switches and of the materials used in them.

This section will be amended as new information becomes available from these tests and other sources.

This statement is based upon the best Engineering in-formation available to us at this time.

i Q'

4-9

mco cwrmua QTR 105 SEPTEMBER 12, 1980 I 4.8 Estimation of Qualified Li fe (Cont'd.)

Bibliography (1) IEEE Standard 323-1974, Qualifying Class IE Equipment for Nuclear Power Generating Stations (2) Namco Controls' Report LP 10835 Thermal Aging Data (3) Namco Controls' Report LP 10836 Lubricant Data, Thermal Aging (4) Namco Controls' Report 10837 Thermoset Plastic Data, Thermal Aging (5) Durez Division of Hooker Chemicai and Plastics Corporation: North Tonawanda, New York:

A Test to Determine Thermal Aging Characteristics

(~ of Certain Materials, November, 1969.

(6) Parker Seals, Culver City, California, 90230; Stress Relaxation Long Term Aging,

~

E740 Nuclear Report No. 10,4781, January 10, 1979.

(7) Martin Marietta Corporation, Denver, Colorado; Long Life Assurance Study for Manned Space Craf t Long Life Hardware, Volume i, Sunnary of Long Life Assurance Guidelines, December, 1972.

(8) Namco Controls' Report LP 10838 Silicone Rubber Data, Thermal Aging

.[

('

4-10

tv.sxo awrncu.s QTR 105 April 3, 1980 4.0 SERVICE CONDITIONS, INSTALLATION REQUIREMENTS, MAINTE- ,

NANCE AND QUAllFIED LIFE (REF. IEEE 323-1974, SECTION 6,2)

(CONT'D.)

List of Non-Metallic Materials Used in the Qualified Limit Switch Material Where Used Silicone rubber Top cover gasket Bottom cover gasket EPDM 0 ring (lever shaft) 0 ring (cover screws)

Boot (lever shaft) ,

Synthetic hydrocarbon Lubricant grease w/ fluorocarbon Aromatic ether based oil Lub ri cant .

Thermoset plastic Contact block Phenolic-asbestos filled Contact carrier 0

Figure 7 4-11 t.

NAMCO CNns QTR 105 SEPTEMBER 12, 1980 ARRHENIUS CURVE FOR ESTIMATED QUALIFIED LIFE

'k i I I I i I i i ii i i l 40 YRS.

20 YRS.

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FIGURE 8

(( -

4-12

NAMCO CONTRot S QTR 105 AUGUST 28, 1980

('

5.0 TEST SEQUENCE AND RATIONAL FOR TEST CONDITIONS 5.1 Test sequence for T.R. 3613-PP.

The test sequence was conducted per Test Plan LP10767-3. This test sequence was chosen because it presents the limit switch with the most severe (conservative) conditions in keeping with the I EEE standard guidelines:

Inspect for damage.

Test for baseline data.

Thermal aged, 400 hours0.00463 days 0.111 hours 6.613757e-4 weeks 1.522e-4 months @ 120' C.

Performance test.

Mechanical wear age, p Performance test.

Total radiation exposure 204 X 10 6 rads. i j Performance test. ,

Seismic testing.

Performance test.

DBE envi ronmental test.

Performance test.

Final inspection.

l 5.2 Rational for electrical loads used during qualifi-cation testing of nuclear switches.

The Namco Controls' qualification test procedure

! includes mechanical aging of the switch for 100,000 cycles, minimum, with an electrical load of 500 milli amps at 100 volts DC on the contacts.

l 5-1 i

NAMCO CONTFM":w s AUGUST 28, 1980 QTR 105 5.0 TEST SEQUENCE AND RATIONAL FOR TEST CONDITIONS (CONT'D.)

S.2 Itat i onal for electrical 10.n1, u ,ed during qual i l~i -

cation testing of nuclear switches. (Cont'd.)

The purpose of this test is to simulate the life-time switching function.

The design / nameplate ratings of these switches are the same as the equivalent commercial versions which are UL and CSA listed. (Snap switches per UL1054) The electrical ratings are for resistive loads. As an example, the 125v0C, 5 amp rating is for continuous loads and make or br eak conditions (See Section 3.3).

Our experience with this series of switches has ,

been that when they are operated at rated voltages and currents, the contact surft es tend to be self ,

cleaning and/or the potential of the circuit is sufficient to break down films or oxides that might form on the contact faces. On the other hand, low voltages / low currents may not break down the films and/or oxides, therefore, provide little contact surface renewal.

Testing a switch with two different potentials (V/A) is impractical and would not represent a true switch application.

5-2

NAMCO CONTh5 QTR 105 AUGUST 28, 1980

-( 5.0 TEST SEQUENCE AND RATIONAL FOR TEST CONDITIONS (CONT'D.)

5.2 Rational for electrical loads used during qualifica-tion testing of nuclear swi tches. (Cont'd.)

Therefore, we chose 100 volts DC and 500 milliamps

(.5 anps) resistive as being the representative conservative cer. tact loading for mechanical aging.

An electrical load of 86 milliamps (.086 amps),

100 vol ts DC was used to check for proper operation of each circuit during all other test procedures.

5.3 Rational for total radi ation exposure.

See the test plan (Page 19 of 37F).

~

lt is Namco Controls Engineering's opinion that the canbined normal and DBE exposure is the most conservative radiation test condi tion.

5.4 national for single axis sinusoidal seismic testing.

Section 6.6.2 of IEEE 344-1975 provides for single axis sinusoidal seismic testing if there are no resonances or interactions in the frequenc'y range required.

Previous Engineering analysis of switches similar to the EA180 series found that no natural frequen-cies below 46.6 Hz. exists on the electrical side of the switch.

Engineering analysis did indicate that the natural frequency of the latch (Item 19) is 10.8 Hz. and 67.07 Hz. for the internal lever. Previous biaxi al

(( testing' of a similar switch (FIRL Report FC3879) 5-3

WO CO!VTFeOLS QTR 105 AUGUST 28, 1980

[ '

5.0 TEST SEQUENCE AND RATIONAL FOR TEST CONDIT0NS (CONT'D.)

5.4 Rational for single axis sinusoidal seismic testing.

(Cont'd.)

and the cross coupling tests in T.R. 3613-PP proved that cross coupling is not a factor during seismic testing.

5.5 Rational for DBE envi ronmental test.

The DBE conditions of T.R. 3613-PP were more severe than test plan requirements. Test plan requirements were derived from lEEE 323-1974, Appendix A, for pressurized water reactors and boiling water reac-tors and IEEE 382-1972.

f~

0 e

6 5-4 x

l muco ecwmo,.s QTR 105 AUGUST 28, 1980 6.0 INSPECTION AFTER TEST Af ter the completion of all tests and final examination at the test f acili ty the limi t switch was returned to Namco Controls for Engineering review.

The memo of February 29, 1980, Page 6-2, is a record of this review. None of the listed items were considered to be ' failure mode criteria. The swi tch functioned prop-erly during performance testing.

((

6 O

I

(('

6-1 f

t

~T N.4MCO CONTROL.S QTR 105 April 3,1980 DATC: FEDRUARY 29, 19f on rtCE:

To: [.P10767-3 .

r itor+ OIFIGE:

C. COVEl.l.

wius c:h IEEE QUAllFiCATION TEST PROGRAM .

, ,. - .. , -,- - ,_., ,-~~~,..,_.s...,_,........_,

-....~.. . ...m .. ~ ...

OBJECTIVE:

Review EA180 Switch //138-90 which has completed Quali fication '

Te: ting.

OBSERVATIONS:

Contcet Resistance:

AB .2626 OHMS CD .0183 EF ,1206 "

GH .0531 I

1. Zero torque to loosen c"ontact block screws. )

2. Operative lev'r c shaft moist from o ring to operating lever, (Nye 438 Oil). ,

3. Shaft dry from o ring to boot groove.

4. EPDM boot dry. .

1

. 5. Contact lever shaft had a slight film of Nye 438 Oil on it.

6. Plating on roller flaking off.

.7. Top and bottom cover gaskets cracked and brittle (Cohrlas-tic Gaskets).

8. Most of the Nye 734A Grease had dried out.

9. Normal wear on contacts.

10. Slight amount of grease on roller, slide and torsion spring.

I GC/nlm cc: J. Bendokaitis '

' g$,,,./

l.. Ilrowning j J . !!u.*ogany T. Wood 6-2 .

8

wears crwres QTR 105 April 3, 1980

/(

7.0 COMMENTS,

SUMMARY

AND CONCLUSIONS 7.1 Conclusion Based upon our review of the test report T.R. 3613-PP it is our opinion that the EA180-11302/EZ10683-90 series limit switch passed the performance limits, in Section 7 of Test Plan LP10767-3, throughout the tests.

Performance limits:

Closed circuit current remained within .001 amperes of .086 amperes @ 100VDC.

Open circuit resistance (insulation resistance) re-mained greater than 50,000 OHMS (5 Megohms).

[ Closed circuits did not open, for more than 2 milli-seconds, during seismic testing.

7.2 Failure to transfer, Page 6 of T.R. 3613-PP. ,

Based upon the Engineering review of the test switch and the test set-up, it is our opinion that the one failure to transfer was a random case that may have been aggravated by the test set-up.

7.3 Seismic qualification of the EA180-11302 series switches was conducted by Dr. E. J. Walters and Associates, June, 1977, (Section 10.1, Appendix B).

The following comments refer to this report.

7.3.1 Switches #32, 33 and 45 are mechanical and electrically similar to #138-90.

(

7-1 i

NAMCO CCVVTROLS QTR 105 April 3, 1980 7.0 COMMENTS ,

SUMMARY

AND CONCLUSIONS (CONT' D. )

7.3.2 Switches #32, 33 and 45 were subjected to the rmal aging, wear aging and radiation ex-posure (204 x 10 6 Rads) prior to seismic testing.

7.3.3 Resonance search, see Figure 9 for a plot of acceleration anplitude (g) versus fre-quency (Hz.) for this test.

7.3.4 Fragility test, see Figure 10 for a plot of acceleration amplitude (g) versus fre-quency (Hz.) for this test. A plot of sine dwell point from test T.R. 3613-PP, switch #138-90 is included to raise the tested g level.

. Note: All curves represent test limits because no contact openings (exceed- I ing 2 msec) were encountered.

7.3.5 Switch mounting, standard switch mounting (side of housing) was used for all tests.

7.3.6 Switches #32, 33 and 45 were not subjected to plant induced vibration.

7.4 OBE seismic test requirements of IEEE 344-1975, Section 6.1.4.

The OBE test requires that the limit switch be subjected to 5 OBE's and 1 SSE.

( )

7-2

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, NAMCO CON 7%s QTR 105 April 3, 1980 I- 7.0 COMMENTS,

SUMMARY

AND CONCLUSIONS (CONT'D.)

7.4 OBE seismic test requirements of IEEE 3h4-1975.

Section 6.1.4. (Cont'd.)

This requi rement has been exceeded during fragili ty testing. This test subjects the limit switch to a series of 60 second (minimum) sine dwells at six-teen frequencies in each of the three (3) axis.

The sine dwell tests provides a minimum of 9,018 stress cycles per axis for a total of 27,054 (min-imum) for the test.

For log data regarding fragility testing see Sec-tion 10.1, Page 6 of 14B and Pages 6, 7, & 8 of 190.

7.5 Sei smic quali fication of #138-90 limi t switch.

(..

" ~

Limit switch #138-90 is qualified by similarity to

- switches #32, 33 and 45 per Dr. E. J. Wal ters' re-

(( port, Section 6.1, Appendix B. Additional fragility testing was performed in the 10-20 Hz. range per l

T. R. 3613-PP.

Limit switch #138-90 was subjected to seismic con-ditioning which included all the sine dwell and plant induced vibration test with circuits energized i

throughout the tests. Resonance search testing is not required.

l-L 7-5

_ .m._

NAMCO CONTMCM.S QTR 105 AUGUST 28, 1980 7.0 COMMENTS,

SUMMARY

AND CONCLUSIONS (CONT'D.) J 7.6 Conduit sealing, the test report states that teficn l tape was used to seal the conduit threads during I

LOCA test, it must be noted that teflon tape was not used during radiation simulation and further, that no attempt was made to qualify a type of thread sealant. During installation of the limit switch it is the customers responsibility to main-tain the integrity of the switch enclosure.

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NAMCO CCvv7 rot.S

, QTR 105 April 3, 1980 LI.

8.0 DESCRIPTION

OF PRODUCT IMPROVEMI:NT C!!ANGES 8.1 Limit swi tch //138-90 was menin in hill of' mat erial s EZ10683-90/EA180-Il302 and incorporated the follow-ing product improvement changes: (B/M ltem No. )

Item 7 Bushing (for contact lever shaft)

Changed from bronze to P/M bronze, oil impregnated.

Item 17 Latch Stud Changed finish from zinc plating to nickel plating.

Item 27 Contact Block Changed material from glass filled poly-ester to asbestos filled phenolic thermo-((_

set plastic.

Item 85 Contact Carrier Changed material from glass filled poly-ester to asbestos filled phenolic thermo-l set plastic.

[

ltem 95 Lever (internal)

Material changed from bronwite to brass.

Item 100 Lever Shaft Added oil groove.

Item 112 Top Cover Added chanfer to screw holes for o ring.

l l(

8-1 1

NAMCO CC">NTF8CLS QTR 105 April 3, 1980

(

8.0 DESCRIPTION

OF PRODUCT IMPROVEMENT CHANGES 8.1 Limit swi tch //138-90 was made to bill of materials EZ10683-90/EA180-ll302 and incorporated the follow-ing product improvement changes: (B/M ltem No. )

(Cont'd.)

Item 116 Top Cover Screw Assembly Was: #8-32 Binding Head Screw with Lock-washer.

Now: Special #8-32 SEMS Screw with Belle-ville washer and EPDM o ring.

Item 114 Top Cover Gasket Was: Impregnated NBR/ Asbestos Now: Silicone rubber ( l item 128 Bottom Cover Gasket Was: Impregnated NBR/ Asbestos Now: Silicone rubber item 131 Bottom Cover Screw Assembly EPDM o ring added to a special flat head screw, item 133 Boot Material changed from silicone rubber to EPOM.

8-2

w~x:o <xxvres QTR 105 ,

AUGUST 28, 1980

((

9.0 ATTACHMENTS 9.2 FA180 11302 I imi t Swi tch Assernbl y 9.3 EA180 14302 Limi t Swi tch Assembl y 9.4 E1060 53300 Operating lever Assemb'/

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April 3, 1980 k

10.0 TEST REPORTS This section contains a copy of all the listed test reports.

10.1 Type test T.R. 3613-PP Dated February 15, 1980, Revision 0 10.2 Supplementary Testing for Short Travel Switches.

An excerpt from EA180 Qualification Test Report Revision 1, dated September 5, 1978.

S I

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k. 10-1 f

ACME-CLEVELAND DEVELOPMENT COMPANY

-( GPS ALPHA DlHVI e IHGHLANO lii:lGHTS, OHIO 44143 *(216)473 0300 T,R. 3613-PP TESTS OF LIMIT SWITCH #138-90 FEBRUARY 15, 1980 REVISION 0

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C] Roscarch Conter of Acme-Clovcland Corporation n/A J

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, T.R. 3613-PP TABLE OF CONTENTS Page CERTIFICATION 1-7 T.R. 3613-PP (BODY OF REPORT) 1-3 FIGURES 1-3 APPENDICES APPENDIX A Letter from M. Bruce of Georgia Institute of Technology to E. L. Solem Regarding 1-4 Switch Irradiation APPENDIX B Seismic Qualification Test of Limit Control Suitches Dated June 1977 by Dr. E. J. Walter &

1-14 Associates I

APPENDIX C '

1-4 Cross Coupling APPENDIX D 1-19 Data Sheets APPENDIX E 1-Equipment Calibration Listings t

10-3

ACME-CLEVELAND DEVELOPMENT COMPANY

(

CERTIFICATION The undersigned certify that this report presents a true account of the tests conducted and the results obtained:

CtirAJ~u ;

m ? >?O J.Patse;) Date'

& D Technician x E E. L. Solem Date '

Development Engineer c

\

APPROVED BY:

W so /x' w ,b ~

s /7/980

.J.Sking/c,P.E./ ~Date Corporate Kanager Materials R & D b

R. L. Nekola,.P. E.

hl9 /f[O Date /

General Manager Acme-Cleveland Development Company

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TEST REPORT NO. : T.R. 3613-PP ( ,

9 2/15/80 DATE:

TITLE OF TEST: TESTS OF LIMIT SWITCH #138-90 AS PER TEST PLAN LP-10767-3, REVISION 1 SIZES AND KINDS One Namco Controls limit switch 0F SWITCHES: Model EZ-10683-90/EA-180-11302 PURPOSE OF TEST: To establish the performance characteris-tics of the switch ender normal and ab-normal conditions.

TEST REQUESTED BY: Namco Controls PREVIOUS HISTORY E.R. 1418 AND

REFERENCES:

All Series 3613 test reports TestPlan)P-10767-3,Rev.1, dated 7/26/79 PROCEDURE FOLLOWED The following tests were carried out at or under contract to Acme-Cleveland Development Company, the research center for the Acme-Cleveland

\

Corporation.

The tests consisted of the following parts: ,

1. Thermal aging for 400 hours0.00463 days 0.111 hours 6.613757e-4 weeks 1.522e-4 months at 120 C (248 F).

2. Mechanical wear aging for 100,200 actuation cycles under electrical load of 0.5 amps at 100 volts DC.

3. Irradiation to a level of 204 megarads of gamma radiation.

4. Seismic testing to a maximum of 9.52 g's in the 1-35 Hz range.

5. DBE testing to a maximum 196 C (346 F) at 70 PSIG.

The test procedure will be presented in the order in which it was per-I formed. Par.1 graph references are provided in parentheses for correlation l l

with the test plan. ;

./' ..

1 10-5

T. R. 363 3-PP 2/15/80 Throughout the testing the following equipment was used to determine

( the performance Icvol of the units.1 A mcgohm meter measured the resistance betwcon contacts when open. A test circuit measured the load current be-i tween contacts when closed. This circuit consisted of a 100 volt DC power supply, appropriate voltage and current meters, and a load bank set to pass 86 milliamps.

Inspection and Preparation (6.1)

The switch identity was recorded and the switch wired and assembled as called for by the test plan.

Initial Test (6.2.1 and 6.2.2)

, Open and closed circuit performance was measured and re-corded for purpcses of providing base-line data. Trip angle and torque tests (identified as Functional Test - 6.2.1.3 of the test plan) were deferred until after the Mechanical Wear Aging. .

Thermal Aging (6.3) ,

+

The thermal aging test consisted of exposing the unit to a temperature of 120 C (248 F) for 400 hours0.00463 days 0.111 hours 6.613757e-4 weeks 1.522e-4 months . A thermometer was placed such that the switch was between it and the heat source. This thermometer was monitored during thermal aging.

l During the time of this test the conduit opening of the switch 1

was sealed. A Ferformance Test (6.2.2) was performed at the conclusion of the thermal aging.

l Mechanien1 Wear Aging (6.4)

The switch was subjected to 100,200 actuation cycles.

The actuation was accomplished by a cam mechanism operating i

at 70 actuations per minute. The electrical loading during

, this 1, art of the test was 0.5 amps at 100 volts DC. Per-Calibration dates arc contained in Appendix F..

l 10-6

T.R. 3613-PP 2/15/80 formance (6.2.2) and nase-line Functional (6.2.1.3) tests were performed af ter mechanical wear aging.

(I ,

Irradiation (6.5)

Irradiation was performed by the Frank H. Neely Nuclear Research Center of Georgia Institute of Technology. Their certification is contained in Appendix A. Irradiation was carried out to a level of 204 megarads. Gamma rad'ation from a cobalt 60 source at 1.173 Mev and 1.332 Mev. was used. The irradiation was carried out at a rate of 0.91 megarads per hour. The Performance Test (6.2.2) was performed after the irradiation.

Seismic Testing (6.6)

Single axis tests were performed in each of the three axes. This testing included Resonance Search (6.6.8), (,

e Fragility Test (6.6.9), and Plant Induced Vibration Simu-lation (6.6.10). The analysis of cross coupling in this model switch is presented in Appendix C.

The Seismic tests (see Appendix B) were performed on a different Model EA-180 switch. These tests cover the Resonance Scarch (6.6.8) and most of the Fragility Test (6.6.9) re-quired by the referenced test plan. The testing o'f Appendix B was conducted at a reduced g level in the 10-20 Hz frequency range of the Fragility test. Therefore, full fragility test-int was performed on the present switch in this frequency range.

The performance instrumentation for this test was the same as that.for Appendix B. A Nicolet Explorer III oscil- (

10-7

T.R. 3613-PP 2/15/80 loscope was, however, substituted for the Tektronix. The Fragility Tent was gorforned on a mechanical nhakt r. The input mntinn of the . shaker was monitored by an accelerometer.

The test spectrum for the Fragility Test (6.6.9) is given in Table I. Note that either acceleration or displace-ment may be the independent variable.

TABLE I SEISMIC TEST SPECTRUM (INPUT MOTION)

(See Also Figure 1)

Peak to Peak Frequency Peak Acceleration Displacement 1-4 Hz 0.6-9.52 g's 12" 4-35 Hz 9.52 g's 12" .091" The data acquir.ition portion of the tests covered in Appendix B were not repeated on the switch (#138-90) presently

(

under test. However, this switch (#138-90) was subjected to all vibrations which are a part of the Fragility Test in order to simulate the post-seismic condition before su'ojecting the switch to DBE testing.

The Plant Induced Vibration Test (6.6.10) was run on Switch #138-90 at 100 Hz using a B & K electrodynamic shaker.

Table motion was monitored by a BBN accelerometer.

The Performance Test (6.2.2) was run after Seismic testing.

DBE Test (6.7)

The temperature pressure profile for the test is given in Figure 3.2 The swit.ch circuits were energized and the switch exercised in this test k as it would have been ih full testing.

2 The recorded pressurc/ temperature data are presented on Pages 9 of 19 (D) and 13-29 or 19 (D). .rj 10-8 w

f*'*

T.R. 3613-PP 2/15/80 The first four days of DBE testing were performed in a chamber of 12" height and 8" diameter. The switch was mounted in the chamber in a horizontal position such that the lever shaft pointed upwards. The switch was attached by means of a threaded pipe. Teflon tape was used for sealing the pipe threads. This pipe ran through an 0-ring type feed-through in the chamber. The electrical connec-tions from the switch were run through this same pipe.

Actuation of the switch was provided by a rotary feed-through in the top of the chamber.

The switch was subjected to a caustic spray during this portion of the DBE test. The flow rate of the spray was 230 cc's per minute providing the necessary coverage .

of 0.15 gallons per minute per square foot of cross-section.

The pH of the spray was maintained between 10 and 11. The spray was composed of boric acid, water, sodium thiosulfate ,

and sodium hydroxide and was recycled during the entire time.

Spraying was initiated following each transient temperature rise. The switch was submerged in caustic spray at tempera-ture during some portions of this test due to the instability of the recycling system.

The rate of temperature rise during the two transients of the DBE test was somewhat slower than shown in Figure 2.

The data are summarized in Figure 3 and Page 9 of Appendix D.

The switch was transferred from the high pressure cham-ber to the low pressure chamber following the first four days of the DBE test. It remained in this low pressure chamber

(

for the rest of the 30-day DBE period.

c" 10-9

T.R. 3613-PP 2/15/80 Two data acquisition methods were used during the DBE.

The temperature was recorded on a strip chart recorder via a thermocouple. During the transient sections of the DBE the digital readout from the thermocouple as well as the reading of the pressure gauge were recorded on video tape.

The data are recorded on Scene 138 of this tape which is on file in the library of the Ac=e-Cleveland Development Company.

The switch was actuated and data recorded during the peak level of the DBE and at other times as noted in Figure 3.

Additional data were taken during the long-term portion and at the conclusion of the test.

RESULTS During all phases of the test the open contact resistance of the switch I remained above 5 megehms. The closed circuit current remained within 0.001 amps of the specified load.

At one point in the DBE test the switch failed to transfer when released after actuation. The switch did transfer after a second actuation provided a small additional lever arm rotation. The lever arm was not pushed back toward the unactuated positi'on.

Detailed performance data are presented in Appendix D.

CONCLUSIONS The switch failed to Transfer (7.4) one time during DBE testing. No other Performance Limits (7) as specified by the test plan were encountered during the tests.

The tests were carried out from October of 1979 to January of 1980.

(

ELS/J.iP:cr Enclosures 10-10

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(

APPENDIX A R ADI AT ION EXPOSURE s

e e

1 I

1

[ ,

l 10-15

GEORGIA INSTITUTE OF TECHNOLOGY SCHOOL Of" N UCLC A R ENGIN EE RING ATLANTA, GEORGI A 30332 r....... cco, MUC LL A ff N f % f A elf H C E N T c H TCLEPHONC: {404) 894 3600 Novc 2cr 20, 1979 Mr. E.L. Solem Develop ent Engineer Ac:re-Cleveland Develcpment Co.

625 Alpha Drive Hi@ land Hei@ts, Ohio 44143

Dear Mr. Solem:

Pursuant to your instructions seven limit switches and nine small ite.":s were irradiated in our hot cell facility usinE Cobalt 60 (ga:mn energies 1.173 Fev; 1.332 Mev) to a total dcce of 2.04 X lo srads (air) or 2.3 X los rads (air) as indicated below.

We certify the specific paraneters of this irradiaticn to be:

~

(_ Test I - 204 Fegarads Irradiation Period: Total or 9 days, 8 hou"s and 15 minutes P-1 Noveder 5-Novecer 12, 6 days 15 hours1.736111e-4 days 0.00417 hours 2.480159e-5 weeks 5.7075e-6 months and 15 minutes P-2 Nove2 er 16 - Novenber 19, 2 days 17 hours1.967593e-4 days 0.00472 hours 2.810847e-5 weeks 6.4685e-6 months and 0 minutes Dose Rate: 9 1 X 10 5 rad / hour Total Dose: , 2.04 X 10e rads (air)

Specinen Id: (Switch) 134-63 (Switch) 136-90 (Switch) 131-2 (Switch) 138-90 (Switch) 137-67 (Switch) 97 (Switch) 96 Hexseal APM 346 0

(

308 100 400 I k NPC-80 l !

2 unlabeled itens Page 1 of 4 (A) 10-16

r 1

1 Mr. E.L. Solem ( .'

Page 2 November 20, 1979

'Ibst II - 230 Meenrads Irradiation Period: Total of 10 days 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months and 45 minutes P-1 and P-2 of Test I and P-3, Nove:ter 19 - Novenber 20,1 day 4 houm and 30 minutes Dose Rate: 9.1 X 10 5 rad / hour Total Dose: 2 3 X los rads (air)

Specimen Id: (Switch) 134-63 (Switch) 136-90 2 unlables items Hexseal APM 346 308 100 400 0

Dasinetry: Theranluminescent dosimeters of lithium (

borate. (Harsha'.: TL-800) calibrated with t ,

a Farmer Dosi:rcter model 2502/3 Farrer unit calibrated using ISS ccbal: 60 at M.D. Anderson Hospital, Housten, Texas.

'Ibe last date of TLD calibration was March 12, 1979; the last date of Famer unit calibration was July 27, 1979 If you require ad-ditional information please contact me at (404) 894-3608.

' GEORGIA INSTITUTE OF '1?IfGOLOGY 7 ofe N Margaret Bruce Pesearch Scientist M3:lm Page 2 of 4 (A)

()

10-17

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e h"'k..+3 ble contar.ination on specisa after test < /0 0 o fr .o QM gM ,

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RadiologicalSat'etyOfficer Irradiation'of specimen (s) performed by . . , , [-

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.]

i(.

APPENDIX B SEISMIC QUALIFICATION TEST

d.

SEISMIC QUALIFICATICH TEST ,.

OF . .

LIMIT CONTROL SWITCHES .

. . Ju.1e 1977 .

( - -

. Prepared for HAMCO Controls An Acm2-Clevelanc; Corgny Jefferson, Ohio j

l ..

I 1

, 10-21

(. -

( Page 1 of 14 (B) r .

rs, D r. [titi'lh { ,*/. Il',1llsY .' / Sis

fit!!?]

f.

l'ibrut!'s*1' tillsf is t:::./ s 's*1:$llIlolIl !$

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, , , . ._- n m.~

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.) '

Qr. Eduwnfl1. Wafkr ( )ssociaks 1/ibration and Sound Consultants

.,_ (

> P.O. DOX 171

CHESTERLAND. OHlO 4402G

TELEPilONE: (21G) 720 7415 t

1. PURPOSE Four Limit Control Switc2.2s manufactured by NAMCO Controls were subjected to a seismic qualification test for Class lE equip::ent to be used in nuclear-powered electrical generating plants. The four switches are a representative sample of EA180-11302 and EA7kO-60 LOO limit switches andk,heseismictestresultsvillbeconsideredasrepresentativeof.ne characteristics of each switch series. The tests involved single-axis sinusoidal vibration in each of three mutually perpendicular axes parallel to th'e major dimensions of the switch, in accordance with IEEE 382-1972, 323-1974, and 344-1975 The test program was conducted by Dr. Edward J.

Walter and Associates at the John Carroll University Scicmological Labora-tory, Cleveland, Ohio. NN4C0 representatives were present during various [~;

staccs of the tects and monitored parts of the test program.

~

Page 2 of 14 (B) ,

. k 10-22

.g.

.(

2. IDEhTIFICATION OF SWITCIIES The following switches were subjected to the seismic test procedure. ,All switches were manufactured by NAMCO Switch Sample Number .

Switch No. 32 Snap-lock. Limit Switch EA180-11302 Ampere Rating Volts AC DC 125 20 5 250 15 15

. 480 lo '

600 5 NAMCO Controls An Acce-Cleveland Company Cleveland, Ohio U.S.A.

Switch No. 33 Seme as Switch No. 32 Switch No. 45 Some as Switch No. 32 Switch No. 38 Snap-Lock. Limit Switch

- EA740-80100 Ampore Rating

~

Volts AC DC 125 20 5 2 50 15 15

. 480 10 600 5 NAMCO Controls An Acme-Cleveland Company .

Cleveland, Ohio U.S,A.

e-~~

.E;;;;L N;. 79 tr T i'-* "^ !"

({ ' -

Page 3 of 14 (B)

-3

(

4

3. TEST EQUIPMENT The test equipment consisted of two different shake tables. The first shake table was a mechanical device for large amplitude - low frequency vibration. Maximum peak to peak displacement was twelve inches, giving a single amplitude of six inches. Displacements down to .025 inches singic amplitude could be achieved. The mechanical shake table was used to test over the frequency range 1-20 Hz. The second device was an electro-dynamic shake table for small amplitude -

high frequency vibration. Peak to Peak displacement up to 0.4 inches could be achieved. The electrodynamic shake table was used to test over the frequency range 20-35 Hz. Both shake tables were monitored for wave form by an accelerometer mounted on the table. ( ,

During the test procedure the switch was energized electrically with 125 volts DC at 1/2 amp, and monitored continuously for contact opening of 2 milliseconds or greater. The switch was tripped from the actuated position to the unactuated and back during the test procedure and monitored for contact opening.

Page 4 of 14 (B) k 10-24

.k.

h. SEISMIC TIIT TROCEIUltE Each evitch von individually mounted en the shake tab 1c with one

( of its major axes parnlici to the direction of tabic motion. After comple-tion of this test the switch vns reoriented on the tubic with its second major axis parallel to the tab 3c motion, and similarly for the third major axis. Siccial fixtures for mounting the switches and octivating them had to be fabricated.

Port I - Resonance Search In each orientation each switch was subjected to a continuous sine sweep from 1 to 35 Ez at a rate of one octave per minute. This sine sweep was run as follows:

Frequency Displacement Es inches 1-10 1.0 10-35 0.01 Part II - Fragility Test ,

In each orientation, each switch was subjected to a sine dwell test in 1/3. octave bands over the frequency ranges 1-35 Hz. The switch was vib-rated for a minimuu of 60 seconds at each dwell point, beginning with 15

[ '

5 seconds of vibration in the unactuated position. The switch was then actu-ated by a manual tripping device and vibrated for 30 seconds in the actuated position. After this, the svi,tch was released,by the manual tripping device and vibrated for 15 seconds in the unactuated position. The switch was the t

double throw type.

During the vibration test, the switch contacts were monitored for opening by a light indicator circuit. If the light indicator circuit sig-naled a contact opening, the durction of opening was then monitored on an oscilliscope. The criteria for seismic failure vas a contact opening of 2.0 milli-seconds or greater. Both the Normally Open (NO) contacts and the Nor-mally Closed (NC) contacts were monitored during the tests.

The trip ancic of each switch was also ponitored during the vibra-tion test. This was done by monitoring the switch angle position on the oscilliscope. The variation in the trip angic position chould not exceed 0.060 inches while being subjected to the vibration test.

( -

( Page 5 of 14 (B) l l _. _ _ _ . _ _

M@

3

(

)

The dwell test was run in 1/3 octave bands at the following frequencies and vibration specifications.

Dwell Points

. Frequency Hz Vibration Specifications 1.0 14f(4 1.25 Displacement - 12.0 inches pp.

1.6 giving 9 52 c's 2.0 at k Hz 25 3 15

. h.0

% < f < 10 - acceleration 9 52 g 50 Displacement - 8.0 inches pp.

63 Displacement - 5 0 inches pp.

8.0 Displacement - 3 0 inches pp.

. . ')

10.0 10 ( f ( 20 12 5 Displacement - 0.45 inches pp. -

16.0 ,.

20.0 .

20 < f < 35 - acce1eration 9 52 g 25 0 32.0 Displacement - 0.4 inches pp. .

The table motion was constrained to specific displacements as

~

specified or as required to produce the specified acceleration. Wave shape vos monitored by an accelerometer mounted on the table. The planes of vibration relative to the switch configuration are shown in the following diagram and each switch was subjected to 54 distinct vibration tests.

y 4 1>X I

A ( ,

a j Page 6 of 14 (B) 10-26

-- L---- --

N 5 TmT M17,U13 All cvitches perf w :d with no malfunctionu in the cine cweep .

from 1 !!: to 35112. Also, no resor.:nces were observed during the sine sveop test.

In the sine dwell test of 60 second duration during which the switch was actuated and released, no malfunctions were observed.

The test circuit did indicate a reaction to a small voltage chance which when monitored on..the. oscilloscope vas less than 2.0 tilli-ccccnds and hence not within the definition of switch failure.* The various frequencies for each switch at which such an indication occurred

~

is shown in the following table.

f Svitch I!z 33 32 45 %

1.0 x x 1.25 x fi . 1.6 x x x x

x 2.0 x x x 25 x i x x *

. +

3 15 x ! x k.O x x 50 x -

6.3 x x 8.0 x x 10.0 x 12 5 x x l

16.0 x x x 20.0 x l -

25 0 x x x x 32.0 .x x

All the above switch contact openings were of duration less than 2.0 milli-cecondo. '

l L( -

~

Sce page 14(B)

Page 7 of 14 (B)

__ _. _ _ __ g a o ca . _ . _ . _ . . .._ _ __

(

)

t The trip position of each of the switches rc=ained within the required limit and at no time deviated from the original position by In fact, the more than 0.060 inches at the end of the two inch ar=.

changes noted vere small compared to the tolerance limit.

The test results are facility limited and therefore do not indicate the ultimate capability or the vibration level at which switch fatlure vill occur. Each switch was subjected to 54 distinct vibration tests which

. lasted for 60 seconds or greater so that minimally each switch was vibrated for 54 minutes. Checks for izequency and wave shape and other tanual opera-tions extended the total vibration time by perhaps a factor of two or three.

)

l l ,

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i Page 8 of 14 (B) l 10-28

,- . - - . - p , - - , , - . - - - - , - . .

t. .

6,. COliCLUSICIS The li2 nit control switches performed satisfactorily without failure when vibration tested in accord with the specifications pre-seated herein.

No contact opening of 2 milli-seconds or greater occurred during i

the tests.

~

No resonance frequencies ev' re noted during the test. .

1

~

.(C~

Page 9 of 14 (B) 10-29

(

7. CERTIFICATION ,

The undersigned certify that this repod presents a true account of the tests conducted and the results obtained.

\ .,

. G.'W).L ' : b

' Edward J. W er, Ph. D.

~

ven l6 m v Eiivard J. Waltepf'Jr.

h..fu.*-w ()

James DiSiena 4

)

(

Page 10 of 14 (B) 10-30

. I i(

EQUIIMEhT USED ,

Calidyne E1cetrodynamic Shaker, Model Bld Mechanical Shake Table Tektronix Storage Oscilloscope Type 564 Shure Brothers Accelerometer Mode 62CP, calibrated Auaust,1977 Bnash-Clevite Recorder Mark II .

C .

q.c .

Page 11 of 14 (B) * '

10-31

^@1

.. l

. .: .:o Dr. Edwardf. Il/ alter & Associates (

VibfRlEP H G H d $0H H d CO C HllR HIS P.O. BOX 171

CHESTERLAND, OHIO 4402G

TELEPHONE: (216) 729 7415 I

VibrationTestsofLimitControiSwitches NAMCO Controls An Ac=e-Cleveland Company September, 1977 Switch Tested .

Svitch No. 32 - EA 180-11302 Vibration Tests The purpose of the test was to determine whether cross-coupling would cause the switch to trip, and thus fa.il. The roller and spring

~ vere removed and the switch was vibrated in the Y-ec=ponent. No failures were observed during the test procedure. The displace =ent, maximum frequency, and g-loadin6 at which the switch was vibrated are given in the following table: .

Displacement Frequency Acceleration ,

inches pp in Hz s's )

12.1 45 13 6 lo.1 5.o 12.6 79 55 22.0 63 65 13 4 5.u 67 11.6 -

4.0 72 10.6 31' 20 5 17 5 25 -

12 5 19 8

.2.0 14.o 19 8 1.6 16.o 20 3 05 21.0 11.0 0 4. . .... . . .

22.o 9,6 Test results indicate that failure due to cross-coupling in the J

Y-component did not occur.

T:W(&% i t i) l1)

Im'. E1MARD J. WA D1 AND ASSOCIATES october 5, 1977 ,'

(

Page 12 of 14 (B) j ,

10-32

^ '

Dr. Edward f.1Palkr .4 4ssociates

. .+:" .

iL ,.

Vibration and Sound Consultants

> P.O. BOX 171

CHESTERLAND OHIO 44026

TELEPHONE: (216) 729 7415 February 14, 1980 Acme Cleveland Development Company 625 Alpha Drive Highland Heights, OH 44143 Re: Vibration Tests Switch No, 32,EA-180-11302 Attn.: Mr. Ed Solem

Dear Mr. Solem:

This is in reference to your letter of January 15, 1980 concerning our report of the vibration test for Switch No.

32, EA-180-11302, to detemine whether cross-coupling would cause the switch to trip and thus fail.

( The test procedure is the same as that described in our report of June,1977, where Switch No. 32,EA-180-11302 wds subjected to the seismic qualification test. In the test of Switch No. 32 for cross-coupling, the switch was tested in the Y-component as specified by the Acme Cleveland Development Company. No failure was observed during the test procedure.

Sinc ,ely, 1 -A NM u \ dE ~b oward J. W g Ph.D.

l EJW:apm l

l .

! C(

l l Page 13 of 14 (B) l l

L-. . .. - . . . _ . _.10-33 _. __. _ ,

-11_

ACME-CLEVELAND DEVELOPMENT COMPANY J

Behavior of The Test Circuit The test circuit was designed to detect switch ' openings of more than a pre-set time. For the purpose of these tests the time was set at 2 milliseconds. During the seismic tests Therefore, it was reported that the circuit was triggering.

personnel from Acme-Cleveland Development Company observed the situation. .

i It was found by use of an oscilliscope that the circuit ( ,

was responding not to contact openings but 'to small changes in voltage due to increases in contac~ resistance as the contacts moved over one another. Although the decrease in voltage may have lasted for considerable times, no contact openings of more than 2 milliseconds were observed in that instance. At that '

point it was decided that whenever the circuit was triggered the oscilliscope would be used (by Dr. Edward J. Walter & As- .

sociates' personnel) to determine if there was a contact opening of more.than 2 milliseconds or not.

$m, ,Yn 7// b ?

Date E. Solem Metallurgical Engineer 3

Page 14 of 14 (B) 10-34

--a l

[e APPENDIX C CROSS COUPLING ANALYSIS

k. .

O O

G 1

l

((

I 10-35

APPENDIX C ANALYSIS OF CROSS COUPLING Abstract

- The following analysis was undertaken in order to establish that significant cross coupling does not exist in the switch mechanism under test. The inherent constraints on the motion of moving parts were used as a basis for the analysis. In one case it was necessary to establish the non-existence of significant cross coupling experimentally.

(( ,

Page 1 of 4 (C) 10-36

APPENDIX C

(

)

SEISMIC TESTING / CROSS COUPLING ,

All of the parts and assemblies of which the switch is comprised may be classified into three categories depending upon the geometric constraints upon their movement within the unit. The first category is components free to revolve about an axis but which have balanced angular masses about the axis. The second category is components which are free to rotate about an axis within a range the limits of which are 9 to either side of a principal axis of the switch. The third category is parts which are constrained to linear movement in a line which is within 9 of a principal axis of the switch.

The contact lever arm assembly (83) is in the first category. As the angular moment of inertia of this component is balanced about the ,

( -

central axis, vibration will not result in any torque about the axis. )

Therefore, it is not necessary to consider this component in the analysis of cross coupling.

Components belonging to the second category are the lever shaf t assembly (941, the latches (19), and the rocker arm (65).

~

The parts belonging to the third class are the contact carrier plate assemblies which are located at the ends of the contact lever assembly (83) and the roller assembly (75, 80, and 81).

The linear motions of Category 3 components, except (75, 80, and 81),and the tangential motions of the Category 2 components, are all within 9 of the Y axis. Therefore, a vibration with a deviation of 9 from the Y axis would cause a higher g loading along the direction of motion of these components than motion directly along the Y axis.

I

- . .\

1 Page 2 of 4 (C) 10-37

Appendix C 2/15/80 Scismic Testing / Cross Coupling

{ Therefore, the g levels used in single axis testing should be multiplied by a factor of .98 (i.e., co* sine of 9 ) in order to compensate for possible ef-fects due to multi-axis vibration.

Movement of components (75, 80, and 81) is within 9 of the X axis.

Therefore, it could cross couple with the Y axis movements of the other Category 2 and Category 3 components. The X axis movements of (75, 80, and 81) cannot cause any Y axis movements directly. They can, however, allow Y axis movements of (65) and (94). It is shown below that movements of (94) cannot occur at 10 g's due to the preloaded force of Spring (107):

i 1 S 1 1 1 E Total Preload Weight of Off Axis Iffective 2 Minimum g Torce Non-Cylindrical eight Veight Mechanical Veight loading for (107) Parts of (ot.) of (EI) (B + C) Advantate (D x L) Move-ent (A/M 3.220 gm 53.9 su 12.9 su 66.8 gm 2 133.6 gm 24.1 ss In order to deter =ine that movement of (65) due to cross' coupling was not a factor in these tests a separate test was run with co=ponents (75, 80, and 81) completely removed. This conservatively simulates any cross coupling between components (75, 80, and 81) and (65).

Due to the above considerations, cross coupling is not considered li=iting in this unit; and therefore, single axis vibration testing is censidered suitable.

ELS:cr 1

Blueprint specified minimum.

2 All mass is conservatively assumed to be concentrated at the end of

{' the lever shaf t' assembly.

See Page 12(B). -

Page 3 of 4 (C) 11 @ - 3 6

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APPENDIX D DATA SHEETS d

4 9

l l

q 1

10-40

1 l

l

((- INITIAT INSPECTION SWITCH MODEL: E7.-10683-90 (EA-180-11302) ,

138-90 SWITCll NUMBER:

None SHIPPING DAMAGE:

l CSA-CL-1251 Crosslink (Belden)

TYPE OF WIRE:

Sta-Kon 314-8-(78-6210-80320)

TYPE OF LUGS:

No 15-14 AWG

{s FRONT:

50 En lbs. ,-

CASKET INSTALLATION Insta11eo at hanu:acturing TORQUE:

REAR:

SIGNED: h

DATE: 10/3/79 (C

Page 1 of 19 (D) 10-41 -

HEAT ACING i

SWITCll No.: 138-90 ;

MODEL No.: EZ-10683-90/EA-180-J1302 TESTED FROM/TO: 10/4/79 - 10/22/79 TDTERATURE TIME "C F DATE __

8:00 a.m. 120 248 10/4/79 248

' ~

8:30 a.m. 120 10/22/79 Removed Switch ELECTRICAL MEASURDfENTS

.086 amps at 100 volts DC LOAD:

INITIAL FINAL OTHER

(*10/3/79 ) (~10/22/79 ) ( )

MECCAR ,

- 1 1 1000 M

Inf.

2 Inf.

__1000 M

3 1000 M* Inf.

4 1000 M* Inf.

CONDUCTIVITY (AMPS)_

1 .086 .086 2 .086 .086 3 .086 .086 4 .086 .086 CONTACT RESISTANCE (IN 01 Dis)--BEFORE TEST 1 .05 .:

2 .05 3 .06

,' 4 .05 COMMENTS Pre-travel torque 19 lbein. to trip switch.

t k

SIGNED:

-v

Meter messure.i between 1000 M and i'nfinity. DATE *.

/ 10/22/79 10-42 Page 2 of 19 (D) , ,

W EAR CYCLIWC SWITCH NO.: 138-90

{ HODEL NO.: E7.-10683-90/EA-180-11302 NO. OF CYCLES: 100,200 CYCLE RATE: 70 RPM MET 110D: CAM-ELECTRICAL LOAD: 0.5 a:nps at 100 volts DC ELECTRICAL MEASUREMENTS

' ~

LOAD: .086 amps at 100 volts DC INITIAL . FINAL OTHER

( ) '( ) ( )

MECCAR 1 Inf. Inf.

2 Inf. Inf.

3 Inf. Inf.

4 Inf. Inf.

( CONDUCTIVITY (AMPS) .,

1 ..086 .086 2 .086 -

.086 3 ,

.086 .086 4 '086

. .086 CONTACT RESISTANCE

_(IN OllMS) 1 2

3 4

COMMENTS g; -

Pre-Travel Torque: 19 lb in.

Pre-Travel: 11* ) Before and Total Travel: 130 } after test l

~

l SIGNED: l

. DATE: & ~10/24/79 Page 3 of 19 (D) 10-43

__ j

IRRADIATION i i '

)

138-90 SWITCll NO.:

NODEL NO.: EZ-10653-90/EA-180-11302 i

IRRADIATED Geo'rgia Tech University AT:

l FROM/TO: 10/29/79 - 11/20/79 204 megarads TOTAL IRRADIATION: 1.173 Mev, and 1.332 Mev ,

ENERGY LEVEL:

Cobalt 60 gamma SOURCE:

RATE: 9.1 x 102 rads / hour 1

ELECTRICAL MEASUREMENTS

' 086 amps at 100 volts DC LOAD:

FINAL OTHER INITIAL )

( 10/29/79 ) ( 12/5/79 _) (

MECCAR Inf. Inf.

1 Inf. Inf. ,

2 .

i .

3 Inf. Inf. '

Inf. e 4 Inf.

CONDUCTIVITY (AMPS).

086 .086 1 ,

.086

. 086 2 *

. 086

.086 3' .086

. 086 4

COMMENTS .

i 1

( )

SIGNED: _

v DATE.

12/5/79 Page 4 of 19 (D) 10-44 s

8 e a .,

- ,.-a,%, - , -- -

~ , -,s. . , ---v.. - , , ,m.s, ..- ,.. ,4. , - , -,.. . , . , . .-...,w--,4-----.-----,.----ny,.w...e. e -r y,ew,eg---, irs-

!( ' SEISMIC TEST SITCl! NO. : 138-90 MODEL NO. : EZ-10683-90/EA-180-11302 TESTED BY: ACDC Conditioning Test: 1-10 Hz REPORT REF.:

25-32 Hz Measured trip angle and electrical verfernance frc= 10-20 Hz.

COMMENTS:

ELECTRICAL MEASUREMENTS s

LOAD:

.0.5 amps at 125 volts LC

( 12/12/79 ) ( 1/4/B0 )

MEGGAR Inf. Inf.

1 Inf. Inf. .

2 Inf. Inf.

3 Inf. Inf.

4 .

CONDUCTIVIIY (AMPS) 1 .086 .086 2 .086 .086

.086 :: .086 3- .086 4 .086

( -

k.. .

SIONED: 2 1/4/80 DATE*

. Pape 5 Rf R9 (R0 9 n lhe

~.

^ . ,n SEISKIC TEST CODES V = No contact opening in e.xcess SWITCH NO. 138-90 of performance linit.

AKIS: X - = Opening detection circuit ACCELERO>fETF.R CALIBRATION (mV/g): 28.87 mv/g activated.

x = Contact opening in exce,se of performance limits.

Accelerometer Pre-k Fre-quency Perio Output Displacement Hax. g Normally Open Normally Closed Travel Reset

_(liz )_, (Sec.'j) (mV-pp) (Inchen) ,jg's) }fech . Seir.mic Osc. Mech. Seismic Osc. Angle. Angle 1.0 1

~~

34.0 a 6 .612 1.25 0.8 54.5

6 '.956 1.6 .625 95.0

6 U6T .

~~~~~

2.0 .50 154.8* 6 2.448__

, 2.5 40 243.0* 6 3.825 gr 3.15_ _.317 4qt,5* 6 6.07 j; 4.0 .25 503,0 5.83 9.52 .

-- o, 5.0 .2 331,5 _

3.73 9.52 1

c3 6.3 359 550.0 2.35 9.52 j, -. 8.0 .i25 570.5 2.46 9.52 v v v v 10.2 1.5 as . ; _10.0 __.100 569.5 .933 _9.52 - -

V V 10.2 1. 9,

__12.5 .08 59P. 0 .597 9.52 - V V -

_ 16.0_ .0625 615.0 .365 9.52_ - - Va* - V V 9.5 1.6 23

__20.0 .050 575.0 .233 9.52 - V V - V T 9.6 M 25.0 .040 703.0 .149 9.52

,_32.0 .0312 657.0 .091 9.52 CO?D!ENTS:

Plant Induced Vibration Test - The switch was vibrated 333.333 cyclen at a frequency of 100 IIz and .75 g's.

e .

Below 4 Ils displacement and frequency measurements have been found to be more accurate than the accelerometer. Signed: [

ee

.5 ms contact bounce. ( 1/3/80 and 1/4/80 h

e

I ^,

7 r SEISMIC TEST CODES

~

Y = No contact opening in excess SWITCR NO.: 138-90 of performance limit.

AKIS Y - - Opening detection circuit i

ACCELEROMETER CA1.IBRATION (nV/g): 28.87 mV/g activated.

l x = Contact opening in excess of performance limita.

1 ' Pre- e c a brometer Pre-

quency Period u tput Displacement Max. g Normally Oren Normally Closed Travel Reset

(!!z) (Sec.-1) _h2 9) (Inches) (g's) Hech. Seismic Osc. Mech. Seismic Osc. Angle Anale 9 .612 I.0 1 6 1.25 0.8 ^ 3 7.TF~~ 6 .956 '

4 1.6 .625 101.04 6 1.567 .

i

~

2.0 .50 1607 6 T IEN~

__2.5 .40 252.0a 6 3.825' 3.15 .317 406.0a

6 _6.07

~

$ 4.0 .25 606.0 5.83 9.52

. . 59 I I N *E _ 8.0 ]f5 565.5 1.46 9.52

w 10.0 .100 561.0 .913 .2.52 - V V -

V V 9 I*I 112.5 .On 596.0 .597 9 51~ -

V V - v T TOH'O T_.T___

9 16.0 .0625 569.5 .365 9.52 -

V V -

V T 10.1 M 20.0 .050 584.5 .233 9.52 -

V V - V V 10.2 M 25.0 7 40 601.0 .149 9.52 32.0 .0312 632.5 .091 9.52 CO'DIENTS:

Plant Induced Vibration Test - The switch was v.ibrated 333.333 cycles at a frequency of 100 Itz and .75 g's.

e Below 4 IIz dinplacement and frequency meannrementa have been found to ha more accurate than the accelerometer.

3 Date, (/1A,oo.nd1,3,eo

O / ..

SEISHIC TEST CODES V = No contact opening in excess SWITC11 No.: 138-90 of performance limit.

AX15: - - Opening detection circuit ACCELEROMETER CALIBRATION (=V/g): 28.87_ mV/g z activated.

x = Contact opening in excess of perfornwnce limits.

Fre- Accelerometer Fre-quency Period Output Displacement Hax. 3 Normally Open Normally Closed Travel Reset (llz) _(Sec.-1) (mV-pp) (Inches) JQ t1cch. Seismic Osc. Hech. Seismic Osc. Angle Angle 1.0 1

___ 33.2

6 .612 1.25 0.8 56.7

6 3 5--'

l 1.6 .625 100.3* 6 1.567 l_ 2.0 TSO 157.0* 6 N '

2.5 . t.0 253.0* 6 D 23~

,, '_3.15 J 17 402.0*

6 6.07 g3

4.0 .25 S LO . 0 . . .. . 5.83 M2_

e 5.0 .2 563.0 3.73 9.52 .

** 6.3 _ .159 558.5 2.35 9.52

- * .125 8.0 590.5 1.46 9.52

g 10.0 .100 555.5 .933 9.52 - -

Van -

V v 10.2 1.7

12.5 .08 g

16.0 .0625

566.s .597 9.52 - V V - V V 10.1 M 613.0 .365 9.52 - V V - V V 9.9 1.8

_ 20.0 __.050 672.0 .233 9.52 '

V V - V V 10.0 ~

1.6 25.0 .040 745.5 .149 9.52 32.0 .0312 125.0 .091 9.52 Cote!ENTS:

Plant Induced vibration Tent - The switch was vibrated 333,333 cycles at a frequency of 100 Itz and .75 s's.

Below 4 Ils displacement and f requency measurements have ~

been found to be more accurate than the accelerometer. 3,

.5 ms contact bounce. 12/21/19 and 1/2/19 Date:

W

j lIllj 4

1 llI

,p n

_ i b

l 1

2 s

a S w T h N c E t T 0 i

M w 8 O /

C a 7 f

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~~ t

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e :

u q n r E :

o N E T C T I A S D

) .

s C N t I I - - - 0 0 - - - ~U n T W M - - - 5 5 - - - 3 e S 0. / 2 2 2 i ! t - - -

s n

t F 'S A 0 0 0 0 0

0 e C C 2 2 T a 2 t C 2 S r 0 a (

E T 3 h p* . T E

f o

1 1

l p

u o 5 0 B

D y 8 0 s o J) 7 UC 0 1 r 1 i 1 1 a - h SI - -

m T SS 5 5 8 0 - 2 4 2 5 m A 'E P 7 9 6 8 - 3 3 2 8 E R( .

u / m S 0 u P

(

9 i

- d 1 o '

8 S .

0 9

6 0

1 2

8 d

. OiF TD P) 0 8 0 2 0O6 4TT

~ ~ 00 8 0 0 2 4 4 8 - 3 3 Z i

c T (_ 3333T 3 3_3 3 -

1 E_ d A r . .

a c n n d i i i

n r m m

. I a o O . t B D . 5 . . 5 NO S E c c c S E 1 4 N E l. M . e . e c .

s a c .

H CI TE

. E E

l 0

a MIT I

c s c .

e s 7 e e s r r 7 4 n r

. e .

I D I N E h h . h WO 2 6 0 1 3 5 SM 1 1 3 3 1 1 2 2 2

. C

) M I Oi P) 0 0 0 0 0 0 0 0 0 S

- R D"F 2 2 2 4 4 2 2 2 4 P T T( 1 L

1 1 31 1 1 1 3 0

A y U

T l T C l

. A A a F R n i

E P .g R S ( i

. ~

r E

L I

C I

T E

L I

O N

1 2 3 4 5 6781 .

O r d F

R P

S U

A C

F O

R F

m. ,eI o ". a8

) .

mO8 u fltk1Il ll !,lI!I

? s DDE TEST

The closed contact ren1 stance TWITCH NO.: 138-90 after the test was:

liODEL NO. EZ-10683-90/EA-180-11302 ELECTRICAL LOAD: ~ .086popsat100voltsDC$ Resistance

Contact (in Chan) 1 3.4 a 2 8.1 ELECTRICAL MEASUREMENTS See Page 15 of 19 (D). 3 ,g9 4 1.1 ELAPSED HEGGAR CONDUCTIVITY (AHPS) 2 3 4 1 2 3 4 COMMENTS DATE TIME TIME 1 1/5/80 2:15 p.m. Inf. Inf. Inf. Inf. .086 .086 .086 .086 f"",'"ff*I" Inf. Inf. .086 .086 .086 .086 Defore test.

1/7/80 7:50 a.m. Inf. Inf.

.e Inf. Inf. .086 .086 .086 .086 At 120"F.

g 1/7/80 8:30 a.m. Inf. Inf.

" At 340 F C3 5H 5H 5H .086 .086 .086 .086 90-105,fSI j g; 1/7/80 9:40 a.m. 5H At J4U F

, , .086 .086 90-105 PSI

"' 12:15 p.m. 7H 7H 7H 7H .086 .086 1/7/80 o 5 12H 12H 12H .086 .086 .086 .006 At 320 F

,s 1/7/80 4:30 p.m. . 12H o

At 86"F. liard to move Inf. Inf. .086 .086 .086 .086 Icver arm--was stickiny 1/8/80 7:40 a.m. Inf. Inf. .

IBM- IBM IBM lan .086 .086 .086 .086 At 320"F 1/8/80 10:45 a.m. -

IBM IBM 18H .086 .086 .006 .086 At 320"F.

1/8/80 12:10 p.m. 1 811 150H 300H .086 .086 250 F at 25 PSI 1/8/80 1:30 p.m.

3clore droppfng temp.

800H 40mt 300H, 400H 086 .086 .086 .086 250"F to 200 F;

, 1/12/80 8:00 a.m.

initially hard to actunto switch.

Install switch in lov 12:45 p.m. . pressure chamber.

1/12/80 Ahnve Above Above Above 1000tl 1000H 1000H .086 .086 .086 .086 200"F nctuated switch.

1/22/80 1:00 p.m. 1000H After taking switrh inf. Inf. Inf. Inf. 086 .086 086 .086 out of low temp. nnel 2/7/80 P""" Ch""h

1/7/80 DATE:

SIGNED: () .('2I> -

f p

\ .

CAUSTIC SPRAY COMPOSITION (BY BATCH)

Distilled Water 18 liters H 30 311.8 grams 3 3 NaOH 150.0 graas Na 8 0 285.8 grams 223 (I, *Plus any additional required to increase pH to between 10 and 11. i i

SIGNED: IS&lVf7 bW%

DATE: 2//I![8

/ /

C -

(-,

Page 11 of 19 (D)

.__1 n . c 1_ _ __ _ , _ _ _ . _ _ _ , .

DDE TEST t

SWlTC11 NO. : 138-90 .

MODEL NO.: EZ-10683-90/EA-180-11302 FINAL Eyje'.INATION GASKETS:

Top gasket intact - sealed well. The silicone is harc to the touch.

The bottom gasket hac small cracks at the center screws and near one back ,

screw hole. A large crack was at the back ;

bottom compartment.

CONTACTS:

Contact block very clean. l Slight corrosion on contacts. .

l Contact block very c3ean.

BLOCKi k[

s ,

i 0-RING:

The 0-ring was resilient, and there .

was lubricant arounc the 0-ring anc shaft.

1 I

1 GREASE:

The grease was present on all surfaces .

I on which it was ao.o. lie d i,

When bubble testing the switch after l OTHER: *

LOCA, there was a slight leak at the top plate center screws and a slight leak at the back two bottom screws ,

and at the gasket near the screws. ,

)

(

. SIcNED: O--

DATE: ( - 2/7/80 Page 12 of 19 (D) 10-52

l U i l b*

{ 16 3

/ (. . C "m C

oe -@

n. . A O v u C gy

% A C. * & C b N E **

C O aL Ce u

% s en W *

n N ~ M C =

6..-. F C' O h I o & O J s c C ** C 9 6. C w W Le u C c .C. C *C C

e w .O .4 $e k L

E u c.C

% m ,: n. G OM .

g

~ N p n. C be h. C h. att C C r: c

% g u % u O e C 6 o C

Cu w C w =d c. c CW .* C CE C C o G O d. e

. b o m e e N M = w M N c.4

M M C D E fs' e= 6c O ub me M .. g a c

C.

. w Ww C

O C C C C a C

C U s,.c yc : M 6 an MM u u o E o 9 e e = b h= 0 C > c w & .# ==* W & 6. 12 2.0 = 0 W s C 4 E C C M u n. he C e ne \ E3 7 C C .

g g be he a C.

b =Q & C > e = . %

~

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, FACE NO.I SVITCll NO.I 138-90 H0 DEL NO : EZ-10683-90/EA-100-11302 TESTED FROM/TO: 1/7/80 - 2/7/80 CAUSTIC WATER EIAPSED TDtPERATURE PRESSURE FLOW LEVEL DATE TIH'E TIMF. ( F) (PSI) (CC'S/ MIN.)_ (IN.) pli C0tCE.NTS 1/7/80 3:55 p.m. Drop tank tersperature to 250"r. Water 340-343 90-110 210-230 in tank dropped bcInv three-fourths.

1/7/80 4:20 p.m. 340-343 90-110 210-230 10.2

.' 1/7/80 4:50 p.m. 320 67-87 210 Temperature reached 320 F.

i 1/7/80 5:17 p.m. Italf Inch of water in tank 320-324 67-85 210-230 ,ggat gg ,,,

f i 2/7/80 5:36 p.m. 320-324 67-85 210-230 lleater Itght on in tank.

t 1/7/80 5:50 p.m. 320-324 67-85 210-230 8h"' d "" "I""'" *I" "' h "' '

at 310"F.

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1/8/80 7:40 a.m. 86 10.5 Lost caustic solution in tank. Added u* cnontic and started to puheat tank

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1/8/80 10:00 a.m. 86 " * '" * "*""* ' E"" " I 320[iF. Control #1 on.

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1/8/80 10:10 a.m. 320-325 10-60 1/8/80 10:15 a.m. 320-325 40-60 220 start enustic. Control d2 on.

1/8/80 10:20 a.m. 320-325 32-52 230

, 1/8/80 10:50 a.m. 320-326 50-80 220 1/8/80 11:10 a.m. 320-326 50-80 220 l 1/8/80 11:30 a.m. 318-325 62-82 220 1/8/80. 12:10 p.n. 320-326 65-85 210 4

The test use stopped overnight because of the loss of caustic solution.

At 7:40 a.m. on 1/8/80 tie switch was scenated and the electricate vern taken.

The chamber van then heated up to 320 F. It took more than the averar.e force SIGNED: e a

to actuate the sultch. Wen the switch lever arm was moved to the actuated position and then released, the lever arm . tid not return until pughed further

,/

In the dis ection of the actuat ion and then released. Iterca t inr. t he ac tua t ion. DATE: / 1/7-3/80 this time t he lever arg returned, opving the contacts to the normally closetl position. This wee the only time that the switcle f ailed to ac tu.t e t hrougfun.t the test. .

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APPENDIX E EQUIPMENT CAllBR ATION O

e e

e S

e( .

1460 _

( Equipment Calibrated Tektronix Model 564 Oscilloscope (Time Base) 9/6/77 Shure Model 62 CP Accelerometer 7/77 Seismic Test Circuit (Time Base) 11/1/78 Biddle "Meggar" Model 8679 ARK 9/17/79 Weston Model 911 / DC Voltmeter (Serial #S-71774-67) 9/17/79 Weston Model 81/DC Milliammeter (Serial #S-96236) 9/17/79 Brooks Flow Meter Model 110-05F1BlA (Serial #7608H66892) 12/5/79 Brooks Flow Meter Model 1110-05FIALA (Serial #7708H37890) 12/5/79 Ihermoccuple and YEW Type 2809 Digital Readout (Serial #9028) 9/15/79 Sears Pressure Gauge 12/12/79 P Video Logic Video Tape System (Time Base) 11/19/77 Thermometer (Thermal Aging) 9/15/79 Thermometer (DBE) -

9/17/79 Data Precision Multimeter Model 5740 (Serial #9421) 6/8/79 Ametek Pressure Gauge Model 58G0300BM2GEG (Ser. #91585) 9/27/79 Fluke Current Shunt Model A-90 (Serial #246) 9/16/79 Nicolet Explorer III Oscilloscope: Mainfrace Model 2090-3B (Serial

801756) 12/7/79 Plug-In Model 206-2 (Serial #1171) 12/7/79 Bourns Cermet Potentiometer Model 3852-A-282-502-A (Rotational Movement) 1/15/80 Not traccable to NES.

ELS 2/15/80 Page 1 of 1 (E) 10-61

l l

9 m

e 10.2 SHORT TRAVEL SUPPLEMENT e

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0 10-62 .

NAMCO CONTFM"M.S QTR 105 April 3, 1980

{' 10.0 TEST REPORTS (CONT'D).

'10.2 Supplementary Testing for Short Travel Swi tches.

! An excerpt from EA180 Quali fication Test Report, Revision 1, dated September 5, 1978.

A copy of this report is included in this sec-tion.

.(. -

t f

_ . _ - . _ . , . . _ , . _ . . . . . _ . . . . . . ~ . . . . . . . . . . . . . ~ . . _.

10-63

Those switches of the EA-180 series which contain a short

( '

travel mechanism differ internally from the standard travel versions'in some respects. It was, therefore, felt that it was necessary to test a short travel model up through the seismic portion of the test in order to verify that the internal mechanism of this suitch was not subject .to seismic failure.

The tests conducted were the same as those conducted on the switch #61 in the body of the report except that the LOCA tests were not performed.

The short travel switch which uas tested (#83, Model EA-180-14302, Rev. C) maintained optimal electrical performance throughout all portions of this test. During the seismic test-ing the trip position of this switch was observed to change -

as noted in the seismic repo :t. The maximum change was .107"

( and the direction of change was such that the switch would actuate earlier in the tripping cycle than it had prior to the .

seismic testing.

.coss coupling tests were not necessary for this switch as they were for the long travel mechanism. This was' because the parts #75, 80 and 81 of the normal long travel mechanism in (see page 5 of the main body of the report) are not present

'this switch, and part 62 which replaces these parts is not sub-j ect to movement in the X axis .

It was not considered necessary to LOCA test this switch because short travel versions of the switch covered in the main body of this report will be built with identical scaling mechanisms (i.e. gaskets and 0-rings) to switch #61.

- Page 1 of ll (y )

10-64 .

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/A D2400 NUCLEAR SWITCH v 2 -- -- - 4

SHORT TR AVEL

, ,.. c.

~ *-

1 March 1, 1978

( '

.' EZ1067-51/EA18014302 TEST FOR SHORT TRAVEL SWITCH #83 i

i The switch was heat aged at 200 F in a high humidity chamber from 12/23/77 to 1/1/78.

The open contact resistance on a Meggar instrument measured above 1000 megolns (infinity) before and after the heat age test and the closed contacts passed a current of .086 amps at 100 V.D.C.

The switch was wear life cycle tested for 100,000 cyc'les at 70 RPM using a cam to actuate the lever arm. The load on the switch was .5 amps @ 100 V.D.C. The test was from 1/3/78 to 1/4/78.

- After the wear cycle test the contact resistance was over 1000

( megohms (infinity) and the closed contact current was .086 amps.

The switch was irradiated at Isomedix, Inc. from 1/12/78 to 1/31/78.

The switch was irradiated with a cobalt 60 source. The total irradiation applied was 204 Mrads with an energy level of 1.25 Mev. at 1.2 Mrad /hr. rate.

The open and closed contact resistance and current were the same values as before,the irradiation test.

The switch was seismic tested by Dr. Edward J. Walter &

Associates from 2/1/78 to 2/13/78.

fragility test The scismic tests consisted of and plant induced vibration simuj.ation.

Af ter the seismic test the open contact resist'ance was above 1000 mcgohms (infinity) . Before and after the seismic test the closed contacts passed a current of .086 amps at 100 V.D.C.

The test program for switch #83 was completed on 2/13/78.

The data is attachcd.

k( J. J. Patscy Page 3 of 11 (F) - -

-- in-66

)

DATE 12/23/77 !! EAT AGING

(

SWITC11 $_ 83-51 J-73 MODEL @ EA-180-14302 i iPROTOTYPE E21066751 i -

r _JPRODUCTION. - .

FROM 12-23-77 T 1-:.-78 l- C ES I I TIME DATE TEMP. Latch 4ng mec,anism - sho rt tra Jrel. The to;

==- r- . - _ _ .

12:30 PM 12-23-77 200 r o cover screws were torque / to AflF.1:i.

isket bul ed .016" from the plate.

.. The The $ctrom rasket bad a'.044" bulce :: rom

" .the p] ate.

12-26-77 '

]

12-28-77 .

12-31477 9:35 AM 1-3-72 l Removed pitch l l

4 l !" L

~

l EL$CTRICALS I LOAD - l .086 I 0100lvoc- .

I Meggar ' Cqnductiv(deps) '

1 3 2 4 l1 3 2 l4 INITIAL Inf Inf Inf } Inf l.086 .086 .086 .085 FIN AL " "

l" l" " "

l OTr!ER I l l l l l l (Continue on back)__

j INTsRIOR! EXAMINATION (OPTIONAL) l GASKETS: .

1 l j '

l l 1 f 1 1 I CONTACTS: l l l l

1 BLOCK:

1 0-RING: f , AA CREASE: 1 I

b L pa e 4 of 11(Th 10-67

DATE 1-3-78 SWITCH # 83-51

(' py MODEL 6 EA180-1430 i iPROTO M E WEAR CYCLING EZ10607-51 PRODUCTION

!' i l f OF CYCLES ICO,000 : LOAD .5A '!100 Dc j CO y NTS l...

CYCLE RATE 170 RPN l l l

HETHOD l cam l l l l . l l .

l ELECTRICAL MEASUREMENTS: LOAD -i .C864 @ 100l VDC !

Meggar 'Condu'etivity (abp_s)_

1 3 2 l4 !1 l3 'l 2 4 '

l INITIAL Inf Inf Inf Inf !.086 .086 .086 086 ! l l FINAL i l l OTHER l -

l l ,

l l l l

('

~

I I I

'l lI INTERNAL IXAMINATION (OPTIONAL) _I (Continue en back) .

. CASKETS: l l l i

l-l~

i l j l l ICONTACTS: l il l l

BLOCK: l O-R.1NG : l i bis -

l ,

u cREA SE:

((' . Page ' of 13 (F) .

10-68

1-31-78

- 83-51 DATE .

SWITCH #

N0 DEL p EA180-14302 ;

I-73 Q PROTOTYPE EZ10607-51 D PRODUCTION IRRADIATION

=

- - - - - 7 IRRADIATED AT: Isomedix, he.

I I . l . L FROM 1-12-f8 l ; TO l l-31-f 8 TOTAL IRRADIATION ! 204 Mtad. l t ENERGY LEVEL 1.25 Mef. SOURCE Cobalt 60 gamd l RATE 1.2 hrad/ht. l l COMMENTS l 1 l ELECTRIDAL MEASUREMENTS : l LOAD l =084A e 160 DC l Mel; gar (Conductiv'ity (amps) 1 3 2 4 1 3 2 4 INITIAL Inf Inf Inf Inf .086 .086 .086 .086 }

FINAL OTHER INTEitIOR EXAMINATIOS (OPTIONAL) ,

I

_ Gas kets :

CONTACTS: l l BLOCK:

l O-RING: .

~

_CREASC :

I _ _ -

QMMENTS (Cont.?

A - , _.

\ .

l/

, Page 6 of 11 (F) ( )

10-69 1 . . . - . .- - . . _ .-.

}

O

~x-

'(

wr-'

. q i .. s 4 IsoMEatX

- February 6,1978 Mr. Edward L. Solem Metallurgy Engineer Acme-Cleveland Development Co.

625 Alpha Drive Highland Hei5 hts, Ohio 44143 D' ear Mr. Solem: '

This will summarize parameters pertinent to the irradiation of three switches per your purchase order no. DC-97214, dated January 12, 1978. The units were identified as switches 81A, 82A, and 83 The switches were placed in a cobalt-60 gamma field a't a dose rate

( of 1.2. Mrad per hour. The~ switches were exposed for 170.0 hours0 days 0 hours 0 weeks 0 months , yielding a minimum dose of 204 megarada. ,

~

Dosimetry was performed using an Atomic Energy of Canada Limited

- ( AECL) Red Torspex system with Type BC,-2 readout. Calibration of

-- the Perspex is made' by AECL using Ceric dosimetry traceable to the Isomedix re6ularly cross-U.S. National Bureau of Standards.

calibrates its AECL system with an inhouse Har.vc11 Terspex system, and makes semi-annuni calibrations directly with NBS, using the NES Radiochromic Dyc nyctem.

~

A copy of the dosimetry correlation re-port in available upon request.

Irradintion was conducted in air at ambient temperature and pressure.

Radiant heat from the source heated the campics comewhat, but the temperrture did not execed 100 F, as indicated by previous measure-ments on an oil solution in the same relative position.

Irradiation was initiated on January 15, 1978, and was completed on January 26, 1978.

Yours very truly, wJ.

( ,

j<-

J mthan C. You g Production Manager JCY/mr luomoclix Inc.

25 Cn:;tmari. Road Par .frpany. Nnw Jer*cy (001) 007 4700

. u.a.e a.+... r. s ome e n.. n o. v..,, s ,. u.. > ..s o ur.e CilicAGo DIVI tori e re ss a.v a.. . w ... n .... u. . wm noi nt..i eso Pnne 7 of 13 (F) 10-70

l

)

l DATE 2-13-78 -

SWITCH f 83-51

(

l- 7' MODEL p r.A180-1430 -

i PROTOTYPE

~

) CD PRODUCTION SEISMIC TESTING

. .!CIAL PARTS:

1

, TESTED BY: Dr. Edwerd Waltar & Associstas j

i REPORT REF.: IEEkStandard3E3,344 and 382 I I l

., INTERNAL EXAMINhTIONI(OPTIONAL)

CASKETS l CONTACTS l 1

e BLOCK 1

'I 5

0-RING GREASE COMMENTS ,

.i

! Eleci ricain

Nenner ConducA: ivityh (amps >

1 3 2 4 1 3 2 4 Before seismic 2-L-78 Inf Inf Inf Inf .086 .086 .086 .086 After seismic 2-13-78 ", ,

I . -

NW g-Page iI of 1] (F) .

( ,

)

i 10-71

__ __ _,; w -

,3__ , :~-" ' " ' ' '

^@ Dr. Edward f.. lllalter & dssociales Vibration amt Sound Consultants

('

%(3 i .e P.O. BOX 171

CHESTERLAND. OHIO 44d2G

TELEPHONE: (21G) ?29 7415 Vibration Test of Limit Control Switch NN4CO Controls

An Acme-Clevelcnd Company ~

Janunty, 1978 -

Reference A detai3cd description of the vibration testing equipment and test proceduren is given in our report of June, 1977, Scismic Qualification Test of Limit Control Switches, prepared for NAMCO Controls.

~

DURRDiT SWITCH TEST Switch No. 83, EA 180-lh302 VIBRATION TESTS The switch was subjected to the following tests:

I - Fragility Test

( Frequency Hz Vibration

' Specification 1.0 Dicplacement - 12.1 inches pp 1.25 giving 9 52 c's acceleration

1.6 .

at h Hz.

2.0 25

. 3 15

h.O Acceleration 9 52 or creater 50 Dicp3ncement - 8.0 inches pp 63 Dicplacement - 5 0 inches pp 8.0 Dir. placement - 3 0 inches pp 10.0 Disp]acement - 2.0 inches pp d

12 5 Disp 3ncement - O.h5 inches pp 16.0 an above 20.0 as above

. 25 0 Dicplacement - O.h0 inchec pp

}2.0 civ$ng neccleration 9 52 c's or creater.

Panc 9 of 11 (F).

10-72 .

o II - Plant Induced Vibration Simulation ,

The switch voc vibrated at a non-resonantgfrequency, 100 Hz et en acceleration 1 3 g for a total of 10 cycles, one third of the total cycles in each component, X, Y, and Z.

Test Procedure:

The switch was tested in cach of three mutually perpendicular directions, designated X, Y, and Z, parallel to the major axes of the switch. In each orientation, the fragility dwell test and the plant induced vibration simulation test were made.

In the Fragility Dwell test the switch contacts were monitored.

Both the Normally Open (NO) contacts and the Normally Closed (NC) contacts were monitored for seismic failure by means of a light indicator circuit. No seismic failure occurred during the tests.

The trip angle of the switch was also monitored during the tent at both the normally Open (NO) contacts and the Normally Closed (NC) contacts. The Normally Open (NO) contacts were monitored first.

The switch was actuated and subjected to vibration for a minimum of 30 seconds. Next, the Normally Closed (NC) contacts were monitored with the switch unactuated and subjected to vibration for a minimum of 30 seconds. Total vibration time was a minimum of 60 seconds.

This procedure was repeated for each frequency of the fragility j dwell test.

The trip position remained within 1/16 inch throughout the ,

test procedure with the following three exceptions:

Changes in Trip Position which execeded 1/16 inch Y-comp.

Frequency Total Change Hz in inches 16 .107 carly 25 .080 early 32 .107 carly

( )

Page 10 of 11(F) .

10-73

C .

In the Plant Induced Vibration Simulation test, the switch vos .

vibrute d nL a non-reconanL 6 fr quency,100 lb:, at an acceleration of 1 3 c, for a miniinum of 10 cycles. Each component, X, Y, and Z vas 6 subjected to one third of the total nu=ber of cycles, e.g.1/3 x 10 cycles.

~

The switch was a doubic throw type and van energized electrienlly at125voltsat1/2 amp.duringthetest. It vac subjected t.o 51 dis-tinct vibration tests, l8 ofi these at a minimum of 60 seconds cach and three at a minianum of 56 minutes each.

J i

b

. .- %.- lnl .

IM, t yL t (. e' , /((

j DH. EJM/d(D J. WALTrJi AND ASSOCIATES February, J 9'(8 I

l l

i t

l l

l (..

Page 11 of 11 (F)

..___ - --.....,_. _.10-74, . _ _ _ _

wwo covres QTR 105 AUGU5l 28, 1980 l

11.0 TEST PLAN This section contains a copy of the test plan and anend-ments used for this qualification test.

11.1 Test Plan No. LP10767-3 Dated July 26, 1979 Revision 1 e

9 S

4 11-1

r..

I

, NAMCO CONTROL.S

,,. e. , .2... s,. .,.etevi6..o.o. o .. .... .. ......... ,it ........

REPt.Y Tor 1 9 CUCUMSER STREET

JEFFERSON, OMIO 44047 * (216) 576-4070 COPY NO.

TEST PLAN NO. LP10767-3 DATE AUG. 29, 1980 REV 3 TEST PLAN FOR THE QUALIFICATION OF SERIES EA180 AND EA740 SWITCHES FOR USE IN NUCLEAR POWER PLANTS IN COMPLl'ANCE WITH IEEE STANDARDS 323-74, 382-72 AND 344-75.

EXTENSION OF EA180 QUAllFICATION REPORTS DATED SEPT. 5, 1978

( AND MARCH 3, 1978. ,

EXTENSION OF EA740 QUAllFICATION REPORTS DATED FEB. 20, 1978 A'ND FEB. 22, 1979.

. ORIGINAL TEST PLAN DATED 8/31/77.

O An Acme-Cleverenct Company 11-2

TEST PLAN NO. LP10767-3 (

DATED JULY 16, 1979 REVISIONS REV DESCRIPTION OF CHANGE DATE o Draft 7-16-79 1 Released 7-26-79 2 Delete Reference to 8-29-79 Qnty. of Test Switches 3 Add test sequence 5.2 8-29-80 Revise Section 9 Add EA180 14302 & 13302-type.

O

. 11-3

TEST PLAN NO. LP10767-3

( DATE JULY 26, 1979 1

k =Y -- _

(, ,

John R. Bendokaitis Project Engineer Nuclear Switch Coordinator NAMCO CONTROLS -

6- - g oseph BuzoganyU Chief Engineer NAMCO CONTROLS .

e 11-4

l INDEX SECTION PAGE

1. Purpose of Test Plan 1

2. Applicable Specifications and Drawings 2

3. Number and Types of Switches to be T:sted 3

4. Service Conditions, Mounting and Connection Requirements 4

5. Qualification Test Sequence 7

6. Qualification Test Conditions and Procedures 8

7. Performance Limits 20

8. Documentation 21

9. Generic Group Qual and Minor Design Mod.

Justification 22 (

10. Attachments 31 e

e

()

11-5

r FIGURES FIGURES PAGE

1. Lead Wi re Hook-Up for EA180 S. EA740 Switches 23 2 Connection Diagrams for Baseline Data Test 24 3.

"4.

5. Connection Diagram for Mechanical Aging . - ad

. 27

6. Connection Diagram for Seismic Qualification Test 28

7. Sine Dwell Test Envelope 29

8. Envi ronmental Chamber Condi tions 30 I

l l

/

( .

i6~,

l ,

11-6 _

l. PURPOSES OF TEST PLAN J 1.1 The purpose of this test plan is to provide a step by step procedure for type qualification of a series of NAMCO CONTROLS Limit Switches to IEEE Std. 323-1974, 382-1972 and 344-1975.

1.2 The further purpose of this test plan is to extend the qualification of the EA180 and EA740 series Limit Switches

,. to include a series of product improvement changes. See Section 9 for description of changes.

1.3 Original EA180 qualification reports dated Sept. 5, 1978 and March 3, 1978.

Original EA740 qualification reports dated Feb. 20, 1978 and Feb. 22, 1979.

1.4 This test plan supersedes the original test plan dated August 31, 1977.

1.5 This test plan:will envelope the environmental test conditions as set forth in Section 4, Service Conditions.

1.6 This test plan includes testing of Limit Switch performance, aging simulation, seismic qualification and accident and special envi ronment simulation.

1.7 Only the pressurize water reactor and boiling water reactor portions of IEEE 382-1972 will be applied in this test plan.

J i

.11-7 1

_ _ - . = _.

2. APPLICABLE SPECIFICATIONS AND DRAWINGS l

.( 2.1 The listed documents are a part of this test plan and l

will be referred to as required, where differences exist between the documents and this plan, the plan will prevail, 2.2 IEEE Std 323-1974 - Std for Qualifying Class IE

. Equipment for Nuclear Power )

Generating Stations. j l

i 2.3 IEEE Std 382-1972/ ANSI N41.6 IEEE Trial-Use Guide for Type Test of Class l Electric Valve Operators for Nuclear Power Generating Station.

l 2.4 IEEE Std 344-1975 - Recommended Practices for Seismic

(( Quali fication of Class IE

\ . ,

Equipment for Nuclear Power Generating Stations.

2.5 2.6 NAMCO CONTROLS d.rawings 2.6.1 EA180 11302 (type) Limit Switch Assy 2.6.2 EA740 20000 (type) Limit Switch'Assy

(

11-8

1 1

l

3. TYPES OF SWITCHES TO BE TESTED !

O 3.1 Tes t several versions of switch P/No. EA180 11302 3.1.1 Nameplate Rating:

125VAC-20A, 250VAC-15A, 480VAC-10A, 600VAC-5A,125VDC-5A, 250VDC-1.5A 75-100% Power Factor 3.1.2 Operating Data ,

Pretravel - - - - - - - - - - - - 10, Differential Travel - - - - - - - 8, Recommended Travel - ------

13 Maximum Torque During Pretravel - 23 inch lbs G 3.2 Test several versions of switch P/No. EA740 20000 3.2.1 Nameplate Rating 125VAC-20A, 250VAC-15A, 480VAC-10A, 600VAC -5 A, 125VDC -5 A, 250VDC-l.5A 75-100% Power Factor 3.2.2 Operating Data Pretravel - - - - - - - - - - - - 18*

Di fferential Travel - - - - - - - 14** '

f. Recommended Travel -------

30 )

s Maximum Torque to Trip -----

,2'7 inch lbs 3.3 Hanufacturer and Type ,

The switches are manufactured by NAMCO CONTROLS, an Acme Cleveland Company, and are heavy duty, double pole, double throw, butt contact, quick break and quick make type.

3.4 Identification Test switches will be identified for test purposes with

-the following:

3.4.1 Part Number 3.4.2 Revision letter and/or EZ number 3.4.3 Date of manufacture 3.4.4 Test switch reference number (optional) ;

\

11-9

t- .

[

4 SERVICE CONDITIONS, MOUNTING AND CONNECTION REQUIREMENTS 4.1 Service Conditions This test plan envelopes the rated ambient, operational

{

and electrical service conditions of the limit switch.

Test conditions were chosen to simulate the most severe (or conservative) limits of these parameters. Where multi-electrical ccnditions exist, e.g. AC and DC ratings, a single voltage condition was chosen (based upon past experience) as most severe (or conservative).

4.1.1 Environmental Conditions Normal Ambient Conditions Temperature see 4.1.5 Pressure ambient Humidity 0 to I Radiatioc 4X10g0%RHRads, Ganna Design basis event conditions (see Fig. 8)

- Temperature up to 325*F (163 C)

( Pressure up to To psig Humidity saturated steam

@ 100% RH Chemical Spray see seption 6.7.6 Radiation 180 X 100 Rads, Gamma

Total testexposure to radiation 204 X 10 6 Rads.

4.1.2 Enclosure Type g ,

. The switc.h enclosure meets the requirements of NEMA types 1, 4 & 13.

4.1.3 Electrical Conditions Rated - see section 3 4.1.4 Operat'ional Life Mechanical -

100,000 operaticns min.

Electrical - 100,000 operations min.

11-10 4

4. SERVICE CONDITIONS, MOUNTING AND CONNECTION REQUIREMENTS - Cont.

(

4.1 Service Conditions - Cont.

~

4.1.5 Service Life Service li fe is dependant upon the ambient condition of the switch installation, see section 6.3 for estimated qualified life.

4.1.6 Earthquake Environment Safe shutdown earthquake requirements of IEEE Std 344, acceleration loads of 9.52 g's minimum at frequencies of 1 to 35 Hz (see Fig. 7).

6 Plant induced vibrations of 10 vibratory cycles at low acceleration loads and up to 100 Hz.

4.2 Mounting and~ Connections The test mountings and connections predicate the (.

following service and installation conditions:'

4.2.1 Mount the switch with proper size and length of fasteners.

4.1.2 Wire passage through switch conduit

! entrance must be sealed in such a way i

as to maintain the switch integrity under service and DBE conditions.

4.2.3 Wire terminals should not be of zinc or zinc plate material, g i

4.2.4 Top and bottom covers, gaskets and i

j screws to be properly assembled and torqued per Installation Instructions.

I l (

l l

l 11-11 i 5

4. SERVICE CONDITIONS, MOUNTING AND CONNECTION REQUIREMENTS - Cont. t 4.3 Operating Lever Assembly One of the listed lever assemblies shall be used as part of the test fixture to operate the switch. Removal or replacement shall not be considered in the test results.

4.3.1 ELO60 53301 Lever Assembly 1.5 inch bronze lever, stainless steel pin

.74 dia x .24 wide Nitronic steel roller 4.3.2 ELO60 53300 Lever Assembly ,

1.5 inch bronze, lever, stainless steel pin

.74 dia X .24 wide Be Cu roller

( ,

s

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- s

[

O e

. i i

11-12 -

6

r LP10767-3 AUGUST 28, 1980

( 5. QUALIFICATION TEST SEQUENCE 5.1 Test Sequence for Standard EA180 11302 and EA740 20000 Limit Switch Types 1

i i a zw s w w <

o .o z i ou z .zz o ; o -z- :

w !wo o s<e i

'e-o a <s<

s) iws 1r + >< .> ame i 3 m cy tus . e : < o-e .

ww u. o i z m. i om mmw :

.-m DESCRIPTION .ww em tow oo Iom

o. zwr '

e u. s

.I.

l Inspect & Assy 6.1 qo-7 '

-e- REMARKS -

j

.2, Baseline Data 6.2.1 X X t X

, i i

.3: ! I i

.4 Thermal Age ' __- ... .

~ 6.3 : l 120 C @ 400 Hrs.

. 5 !, '

1 .6 i Performance Test 6. 2.2 > X X l X

.7 l Mechanical Wear Age 6.4 2 l ! X

(.

.8 l ~

..-.___.n.

i 4

.9 l Performance Test 6. 2. 2 ; X , X ! ..- X t

.101 Radiation Simulation.6.5 .'

I

, .11 >

l i

.12 .,i Pe rformance Test l . . . .

.' 6 . 2 . 2 - X ,

X ! ; X '

i

.13 Seismic Qual, j6.6 j X .

~ l l 125VDC.5A

. .14 i i j 3

i l

.15 Performance Test .6.2.2 X iX l I __

X

.16 Accident Envir . 16.7 lX lX j ! X !

.17 .

i i

.18 Long Term Envir . 6.8 j { ! !

.19 1 l I l l

.20 Performance Test ~ 6.2.2 X !X l l X i

.21 inspection 6.9 !

l (m . -

- _ _ _ - _ _ _ _ _ _ . _ 10 - U3

LP10767-3 AUGUST 28, 1980

5. QUALIFICATION TEST SEQUENCE ( ,

5.2 Test Sequence for Limit Switch Types within the same generic group; such as short travel, maintained, etc.

m i SE O Ez 5 o o p52 5 E* C S< S $$$

$5 EU E$ o$ o$ SGS

$ DESCRIPTION EE EU 3. So* *EE REMARKS

.1 Inspect & Assy 6.1 2 Baseline Data l 6.2.1 l X X X

.3 l l 4 Thermal Age 6.3 120 C G 400 Hrsj j

.5

.6 Performance Test '6.2.2 X X X l

.7 Mechanical Wear Age l6.4 X 8

{'

.9, Performance Test 6.2.2 X X X ,

l 10 Radiation Simulation 6.5

.11 l

,12 Performance Test 6.2.2 X X X

!6.6 X 125VDC.5A '

13 Seismic Qual.

L

.14 I

.15 c .16 Accident Envir .

17

.18 Long Term Envir .

.19 X

Performance Test 6.2.2 X X 20l 21] Inspection 6.9

Qualification by similarity analysis.

(

O

-7A 11-14

-m . -.

6. QUALIFICATION TEST CONDITIONS AND PROCEDURES

$. - The following paragraphs detail the test condition.s and procedures for purforming cach test. The scquence of testing will be in the order listed in section 5. Notice that some tests are repeated in the sequence.

6.1 Inspection and Preparation l

l 6.1.1 Check and record the identity per section 3.

6.1.2 Mark the switch as required per 3.4.4 6.1.3 ' Inspect the switch fo'r any signs of damage.

Remove top cover and gasket.

6.1.4 Wi re per Figure 1 using stranded No. 18 AWG wire with radiation resistant insulation.

6.1.5 Assemble top cover and gaskets per assembly

.{ '

procedure provided with switch. 8 6.2 Performance Testing

,-- Throughout the qualification test sequence a series.of l functional tests will be conducted to obtain two types l

ofdata;baselinedatagperformancedata.

The b'ase line data test will determine performance characteristics of the test switch . prior to the envi ronmental test sequence and provide a basis for comparison during the quali fication test. The perform-ance data tests will be conducted to determine accept-ability of the switch, see Performance Limits in section 7.

hN 11-15 8 -

l

' ~

6. QUAllFICATION TEST CONDITIONS AND PROCEDURES - Cont.

6.2 Performance Testing - Cont. /

6.2.1 Baseline Data Test 6.2.1.1 Electrical load test (close circult)

Calibrate the test circuit Voltage 100VDC Current .086A Resistive load Connect switch leads per Figure 2 A Test each circuit (close condition)

Record resulting currents 6.2.1.2 Insulation Resistance (open circuit resistance)

Connect switch leads per Figure 2 B -

( '

Measure and record circuit' resistance of each circuit in, the open condition. .

6.2.1.3 Functional Test Connect switch leads per Figure 2 C Measure and record the following:

pertravel angle in degrees, differential travel in degrees, maximum torque during pretravel, inch pounds.

. (

l 11-16 9

i

6. QUALIFICATION TEST CONDITIONS AND PROCEDURES - Cont.

( 6.2 Performance Testing - Cont.

6.2.2 Performance Test 6.2.2.1 Electrical load test (close circuit)

Calibrate the test circuit

. Voltage too voc Current. oar. Amps Resistive load ,

Connect switch leads per Figure 2 A Test each circuit (close condition)

Record resulting currents 6.2.2.2 Insulation Resistance (open circuit resistance) r Connect switch leads per Figure 2 B Heasure and record circuit resistance of each circuit in the open condition. .

6.2.2.3 Functional Test During the above test record whether contacts transferred when switch was operated.

i O

e +

e q .

11-17 .

10

6. QUALIFICATION TEST CONDITIONS AND PROCEDURES - Cont. ( '

6.3 Thermal Aging Thermal aging is conducted by placing a prepared switch in a chanber in whicli the temperature con be maintained.,

6.3.1 The switch conduit entrance will be sealed

- with a stainless steel pipe nipple and cap.

6.3.2 The lead wires will be enclosed in the nipple during exposure to these environments.

The circuits will not be energized.

6.3.3 Tempera,ture 120 C 6.3.4 Relative Humidity Uncontrolled 6.3.5 Pressure (

t Ambient 8 6.3.6 Duration 400 hours0.00463 days 0.111 hours 6.613757e-4 weeks 1.522e-4 months 6.3.7 Switch Operation -

NONC EEE C O t ttED G

9 0

i S s

11-18

~

11 l . .- .

I 6. QUALIFICATION TEST CONDITIONS AND PROCEDURES - Cont.

6.3 Thermal Aging - Cont.

6.3.8 Service Life Simulation The above thermal aging simulates normal service conditicns, which can vary with the Limit Switch application.

i l Estimated qualified life is predicated upon the service temperature. The following chart of estimated qualified

~

life has been derived thru the use of the Arrhenius Equation, as referenced in IEEE 382, using an activation energy

.r . of 0.8eV.

( . SERVICE TEMP EST. QUALIFIED LIFE, F C Years 105 40.6 18.1

110 43.3 13.9

! 115 46.1 10.8 120 48.9 8.4 125 51.7 6.6 130 54.4 5.1 l

l l

l .

s 11-19 12.

6 QUALIFICATION TEST CONDITIONS AND PROCEDURES - Cont.

6.4 Mechanical Wear Aging The mechanical wear aging test consists of mounting ;

the switch with an operating lever on a fixtur'e with a cam designed to operate the switch at 70 (ON-OFF) actuations per minute with an electrical load applied to the contacts.

6.4.1 The switch conduit entrance will be open during this test.

6.4.2 The lead wires will be connected per Figure 5.

6.4.3 .The switch will be ht,tached to the fixture with screws, using the threaded side mounting holes on one side of the switch.

6.4.4 Electrical Load Voltage toovcc ,

Current 0.E Amps /

P.esistive Load 6.4.5 Service life simulation 100,000 cycles minimum 6.4.6 See Section 4 for operating lever requirements 6.4.7 Set up switch per EZ10567-80 or -81 (see at-tachments). Lever travel to be set at recom-mended travel angle (see Section 3).

\

11-20 13

- t

6. QUALIFICAT10t1 TEST CONDITIONS AND PROCEDURES - Cont.

i 6.5 Radiation Simulation

'- - This test 1,s. designed to expose the switch to.the total -

radiation dosage expected over the service 11 fe of the switch plus accident conditions and margins.

6.5.1 The switch condutt entrance wil'1 be scaled with a stainless steel pipe nipple and cap.

6.5.2 The 1 cad wires w'ill be enclosed'in the nipple

' during exposure to these envi ronments. The ci rcui ts will not be energized. .

6.5.3 The test will be performed by an approved vender.

The vendor shall provide a certified test report

< . and statement of instrumentation calibration. ,

6.5.4 Temperature, pr' essure and humidity - ambient.

6.5'.5 Radiation expssure 6

. Accident environment 180 X 10 Rads

. ', Margl'n (+10%) 20 X 10 6 Rads ,

Normal environment ,

4 X 106 (40 yrs inside containment) Rads 6

Total exposure (this test) 204 X 10 Rods Minimum 6.5.6 Radiation type pnd rate 6

Cob 51 t-60 Gamma field at a rate of .5 to 1 X 10 I -

Rads /hr.

1 . -

! 6.5.7 Mounting cautions l - The switch shall be placed on a rack to allow f ree ai r movemerit around the swi tch.

11-21 -

l

! 14

l . . . . - _ _ , _ _ _ _ . - _ _ _ - . - . . . _ _ . . ., _. --

7 l

6. QUALIFICATION TEST CONDITIONS AND PROCEDURES - Cont.

6.6 Seismic Qualification (

Seismic qualification will be performed per IEEE Std 344-1975 thru a combination of analysis and test sequences.

~~

. The absence of cross coupling will be established so that single axis testing can be used.

6.6.1 Mounting and connections during seismic quali fi-cation. ,

6.6.1.1 The switch co'nduit entrance will be open during this test. Note: Lead

. wires will be protected against abrasion.

6.6.1.2 The lead wires will be connected per Figure 6. f, 6.6.1.3 The switch will be attached!to the fixture with screws, using the threaded side mounting holes on one side of the switch.

6.6.2 Electrical Load Voltage 125 VDC Curren t 0.5" Amps resistive load Circuits will be monitored to detect interruptions ,

(contact opening) of 2.0 milli-seconds or greater.

At Icost 10.0 milli-seconds will be allowed for contact bounce after switch operation.

6.6.3 Operating lever will be used. See section 4.

6.6.4 The response accelerometer will be at;tached to )

(

the switch mounting tobic in close proximity to the switch. 11-22 15 .

r

6. QUAllFICATION TEST CONDITIONS AND PROCEDURES - Cont.

6.6.5 All tests will be conducted in each of the three t(~ orthogonal axis.

6.6.6 All tests will be conducted wi th the swi tch, 'fi rst in the un-operated condition than in the operated condition. .

6.6.7 Pretravel angle and di f ferential travel angle will be measured ~ during each sine dwell point.

6.6.8 Resonance Search Subj ect the switch to a continuous sine sweep from 1 to 35 Hz at a rate of one octa've per -

minute as follows:

Frequency Displacement Acceleration Hz ,

Inches g i

1-10 . 1.0 05 - 5.1 10-35 0.01 05 .63

.{

Resonant f requencies found during thi,s test will

- be. added as dwell points in the fragility test. .

l 6.6.9 Fragility Test This test will be conducted per Figure 7 and envelope the conditions of i to 35 Hz and up to 9 52, 9 ' s mi n i mum. Dwell points - 1/3 octavt bands l from 1 to 35 Hz. .

Dwell't'ime - 60' seconds minimum l (unactuated 30 seconds minimum)

(actuated 30 seconds minimum) l 6.6.10 Plant induced vibration simulation. ,

6 l The swltcit will be subjected to 10 vibratory cycles of sinusoidal motion at a non-resonant l frequency near 100 ilz wi th .75 g acceleration to simulate vibration during normal use.

! 16 11-23 -

i .

6. QUALIFICATION TEST CONDITIONS AND PROCEDURES - Cont.

6.7 Accident Environmant Simulation Test This test will subject the switch to the environmental g

)

conditions of temperature, pressure, moisture and chemical solution spray in a cycle described by Figure 8.

6.7.1 The switch will be placed in the test chamber prior to initiating the temperature / pressure cycle.

6.7.2 A pipe nipple will be assembled into the switch conduit entrance. This coupling will be made pressure and liquid tight. This nipple will pass thru the environmental chamber wall and act as a pass thru for the lead wires, 6.7.3 The switch will be supported by the nipple during this portion of the test since no unusual mounting stress are encountered.

6.7.4 A means will be provided to operate the switch (

during test.

6.7.5 Electrical and Mechanical Performance .

The switch will be operated thru one complete ON-OFF cycle at the intervals noted by arrows on Figure 8.

Performance test per 6.2.2.

6.7.6 Chamber Environment Steam and chemical spray, a solution as defined in IEEE 382-1972 Part 111, Table 1 and IEEE 323-1974 Appendix A, Table A1.

The chemical spray will be started 40 seconds after start of each transient per Figure 8. Rate of flow will be approximately 200 cubic centimeters (cc) per minute and continue for 91 hours0.00105 days 0.0253 hours 1.50463e-4 weeks 3.46255e-5 months after second transient.

- (

Chamber tenperature and pressure per Figure 8.

11-24 17 l

QUALIFICATION TEST CONDITIONS AND PROCEDURES - Cont.

6.8 Long Term Environment Simulation -

At the completion of the major pressure / temperature cycles, at approximately 96 hours0.00111 days 0.0267 hours 1.587302e-4 weeks 3.6528e-5 months , the option to change to a long term environment test chamber shall be provided. The long term environme'nt chamber will maintain the pressure temperature and moisture for the remainder of the profile in Figure 8'.

. 6.8.1 A pipe nipple will be assembled into the switch conduit entrance. This coupling will be made ,

pressure and liquid tight. This nipple will pass thru the chamber wall and act as a pass ,

thru 'for the lead w. ires.

6.8.2 Lead wires will not be connected for this test.

{ .

6.8.3 The switch will be ' supported by the nipple.during

~

this tpst..- .

. 6.8.4 The switch need not be operated during this

. portion of the test. -

6.8.5 Chamber Environment ,

s Distilled water S eb*% -

Chamber temper.ature and pressure per Figure 8.

6

,C -

y -

11-25 18 . .

6. QUAllFICATION TEST CONDIT'ONS AND PROCEDURES - Cont.

6.9 Inspection

(

)

. NAMCO CONTROLS Engineering shall be notifled of completion of test prior to removal from test chamber and opening of .

top and bottom covers. Remove top and bottom cove,rs, observe and record the condition of components of switch.

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i 11-26 .

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7. PERFORMANCE LIMITS

!( The switch performance limits (see 6.2.2) for this qualification test are as follows:

7.1 close ci rcut t current The closed ci rcuit current change'when tested with 100 VDC, .086 Amps , will be recorded and supplied for customer evaluation.

. 7.2 Open Circuit Resistance (insulation resistance) 50,000 Ohms Minimum 7.3 Closed'ci rcuit shall not open for more than 2 milli-seconds during seismic testing. Contact bounce after switch operation (10 milli-seconds) shall not be considered.

, 7.4 During performance test, contacts must transfer during each switch operation. ,,

7.5 The pretravel, differential travel and torque data shall" be recorded for reference information only.

(.

11-27 20 .

W

+ e -

<v- - +e , - - - - , ,,,,v-. , -.

s 4 ,p +----4 --

e , ,- - - - , - , - - - -

8 DOCUMENTATION The type test documentation will be sufficient to verify '

that the switch meets the performance limits. Baseline -

data and Engineering data will be provided for comparison ~

purposes. The test report will include the following:

8.1 Description of switches.

8.2 Test plan number and date.

8.3 Test s,peci fications and obj ectives.

',8.4 Description of test facilities, equipment and

\

instrumentation.

8.5 calibration record of Instrumentation.

8.6 Test procedure.

8.7 Test results and accuracy. ,

8.8 Inspection results. -

8.9 Supporting ' data such as similarity analysis, . seismic analysis, qualified. life predictions, etc. ..

(- )

8.10 Description and justification for adjustments, disassembly .

or al teration, other than those specified in the test plcn.

8.11 Conclusions. ,- -

8.'12 Approved signature and date. The test report *will be ,

. ~

certified cs a true account of the test.

~

8.13 All documentation (log dcta, reports, calculations, etc) will be arrang d and maintained in an auditable form.

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. )

11-28 21 ,

I }

NAMCO CONTFM"X.S LP10767-3 AUGUST 28, 1980

(- 9. GENERIC GROUP QUALIFICATION AND HINOR DESIGN MODIFICATION JUST I FI C ATI ON This section of the test plan and qualification report will be reserved for future analysis and/or test reports to j usti-fy generic group qualification and design changes.

9.1 Quali fy the EA18014302 limit switch, the short travel version of the standard EA180 type.

Test per sequence 5.1, LOCA environment quali fication will be by similarity to standard switch.

Operating Data Pretravel . . . . . . . . . . . . . . 6* 30' Differential Travel . . . . . . . . . 4*

Recommended Travel . . . . . . . . . 7' Max. Torque During Pretravel . . . . . 38 In. Lbs.

9.2 Qualify the EA180 13302 limit switch, the maintained contact version of the standard EA180 type.

Seismic test per 6.6, all other qualification will l be by similarity to standard switch.

Operating Data

, Pretravel . . . . . . . . . . . . . . 10 f

Differential Travel . . . . . . . . . 8*

l Recommended Travel . . . . . . . . . 13*

i

,- Max. Torque During Pretravel. . . . . 10 in. Lbs.

11-29

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b sorenson Power supply Wi th bul.1 t-in voi tmeter and anneter Variable Resistors A'& B ,

Limit Switch Contacts .

e C011NECT10N DIAGRAM FOR MECHANICAL AGING LOAD FIGURE 5 4

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Signal (1 of 4)

Oscilloscope Ch. 1' A A Ch. 2 Tektronix Type 564 Oscilloscope

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\ .IBN Model P16 nmplifier modified for 1 Hz operation

Low pass f11ter, Krohn-Hite 63202

, EEN accelerometer pickup Model 507, sensitivity 28.87 mv/g

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/5\ Lambda regulated power supply fLCS-A-100

!6 \ Resistor load banks Scismic bounce deccctor reccives contact signals and discriminates contact open and closure in milliseconds Limit Switch Contacts 1, 3 and 2, 4 (N.C.)

Connection Di agram for Sei smic Qualification Test Figure 6 I1-33

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/W ' p' i! 4.i-TEST CHAMDER PROFILE FOR ACCIDENT ENVIRONMENT SlHULATION l

( TAKEN FROM IEEE STD 382-1972 )

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3fs0 " q 70 PSI DIFFERENTIAL PRESSURE p' z 70 PSI DIFFERENTIAL PRESSURE la0 PSI DIFFERENTIAL PRESSURE 320 - -

],,25PSIDIFFERENTIALPRESSURE 10PSl DIFFERENTIAL PRESSURE .

ISTART CAUSTIC SPRAY STOP CAUSTIC SPRAY 280 [,3 START WATER SPRAY 7- 3 9 3STOP WATER SPRAY .

103 ACTUATE SWITCH w 2 o a,

_i 250 -

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' TIME

NAMCO CCvVTMS LP10767-3 .

AUGUST 28, 1980 GEORGIA INSTITUTE OF TECHNOLOGY

,- SCHOOL OF NUCLCAR ENGINEERING

( 10. ATTACHMENTS ATI. A NT A, G EORGI A 3033 2 See Section 9.0 of Quali fication Test Report for attach-Fft &M M 94. N C C L Y

,ocuan c w o c .-nr...ca

i. .. i . crave.

.... .. en t s .

November 20, 1979 Mr. E.L. Solem Develop: rent Engineer Ac:re-Cleveland Development Co.

~ -

625 Alpha Drive Hi@ land Hei@ts, Ohio 44143

Dear Mr. Solem:

Pursuant to your instructions seven limit switches and nine small iter:s were irradiated in our hot cell facility using Cobalt 60 (garrrra energies 1.173 Vev; 1332 Mev) to a total deze of 2.04 x s

lo srads (air) or 2.3 X lo rads (air) as indicated below.

,', We certify the specific pararreters of this irradiation to be:

Test I - 204 Vegarads 'e Irradiation Period: Total of 9 days, 8 hours9.259259e-5 days 0.00222 hours 1.322751e-5 weeks 3.044e-6 months and 15 minutes P-1 November 5-Novecer 12, 6 days 15 hours1.736111e-4 days 0.00417 hours 2.480159e-5 weeks 5.7075e-6 months and 15 minutes P-2 Nove2 er 16 - Noved er 19, 2 days 17 hours1.967593e-4 days 0.00472 hours 2.810847e-5 weeks 6.4685e-6 months and 0 minutes Dose Rate: 9 1 X lo srad / hour Total Dose: ,

2.04 X 108 rads (air)

Specimen Id: (Switch) 134-63 (Switch) 136-90 (Switch) 131-2 (Switch) 138-90 (Switch) 137-67 (Switch) 97 (Switch) 96 Hexseal APM 346 0

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ML20077N090

Contents

Text

SUMMARY

8.0 DESCRIPTION

Conclusion:

4.6.3 Seismic

SUMMARY

SUMMARY

SUMMARY

SUMMARY

8.0 DESCRIPTION

8.0 DESCRIPTION

=

REFERENCES:

Dear Mr. Solem:

Dear Mr. Solem:

Dear Mr. Solem:

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