ML17216A665

Rev 4 to Maint Procedure 2-0910053, 12-Month Test of Automatic Load Sequence Relays.

ML17216A665
Person / Time
Site:	Saint Lucie
Issue date:	06/17/1986
From:	Barrow J FLORIDA POWER & LIGHT CO.
To:
Shared Package
ML17216A664	List: ML17216A663 ML17216A665 ML17216A666 ML17216A667 ML17308A256
References
2-0910053, 2-910053, NUDOCS 8608190292
Download: ML17216A665 (14)

Text

Page 1 of 9 FLORIDA POWER 6 LIGHT COMPANY ST. LUCIE UNIT 2 MAINTENANCE PROCEDURE NO. 2-0910053 REVISION 4 Tbs document Es not eontraflad

] .0 TITLE- Bef Enforrnetbn wBh a controlled doeurhent, 12 MONTH TEST OF AUTOMATIC LOAD SEQUE 2.0 REVIEW AND APPROVAL:

Reviewed by Facility Review Group June 3 1983 Approved by C. M. Weth Plant Manager June 14, 1983 Revision 4 Reviewed by FRG /B-//-F >-4D 19m, Approved by Plant Manager 19+

3.0 PURPOSE

This procedure provides guidelines for periodic testing of Automatic Load Sequencing Relays.

4.0 PRECAUTIONS AND LIMITS:

4.1 Read entire procedure prior to commencing Section 9.0.

4.2 Exercise care as some points may be energized.

4.3 Notify NPS/NWE prior to commencing this procedure. This test will give annunciation in Control Room.

4.4 Remove jumpers/replace O.L. heaters before going to the next piece of equipment.

4.5 Timer calibration check must be done with the timer in same position as it is installed (horizontal or vertical).

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Page 2 of 9 ST. LUCIE UNIT 2 MAINTENANCE PROCEDURE NO. 2-0910053, REVISION 4 12 MONTH TEST OF AUTOMATIC LOAD SEQUENCE RELAYS 5.0 RELATED SYSTEM STATUS:

None

6.0 REFERENCES

6.1 Tech Spec 3/4.8.1 6.2 Surveillance Requirement 4.8.1.1.2.d 6.3 FUSAR, Chapter 8, Table 8.3-2 7.0 RECORDS REQUIRED:

7.1 Completed sections of this procedure, signed and dated, shall be retained in the plant files.

7.2 All data sheets noted in this procedure shall be maintained with their applicable sections unless otherwise specified.

8.0 MATERIALS AND EQUIPMENT REQUIRED:

8.1 Hand tools 8.2 Jumpers 8.3 Multi-Amp SST-2 Timer or equivalent 8.4 SPST switch connected to two test leads with alligator clips at the ends

Page 3 of 9 ST. LUCIE UNIT 2 MAINTENANCE PROCEDURE NO. 2-0910053, REVISION 4 12 MONTH TEST OP AUTOMATIC LOAD SEQUENCE RELAYS P'.0 DETAILED PROCEDURE:

NOTE Relay timing tolerance is + 1 second. Calibration check must be done with relay in same osition as mounted.

9.1 Annual Inspection of Diesel Load Sequence Relays

1. 2A3/2B3 4160 Switchgear A. Connect the start leads of the timer to the switchgear test switches at terminal 5 and 5T. Turn the left timer switch to dry contacts (N.C.) position. /R4 B. Connect the stop leads of the timer, across the center white light, and turn right timer switch to "AC/DC Power Applied".

C. Turn timer power switch "ON", push reset. button, select seconds on Sec/Hz switch and select accuracy range to

.01 seconds.

D. Turn start latch to "ON" and stop latch to "ON" positions.

NOTE To start test, place switchgear test switch for load under test into "Relay" position. Remove all )umpers rior to oin to next iece of e ui ment.

E. 2A3: Perform steps 9.l.l.a through 9.l.l.d on each piece of listed equipment and record test results.

TEST TIME JUMPERS EQUIPMENT CWD SWITCH SET ACTUAL REMOVED INITIAL/DATE 2A LPSI 251 CS2 3 Sec; 2A Containment Spray 287 CS3 12 Sec.

2A Component Cooling Water 201 CS6 6 Sec.

2A Intake Cooling Water 832 CS7 9 Sec.

2A Aux. Peedwater 629 CS12 30 Sec.

Page 4 of 9 ST. LUCIE UNIT 2 MAINTENANCE PROCEDURE NO. 2-0910053, REVISION 4 12 MONTH TEST OF AUTOMATIC LOAD SEQUENCE RELAYS 9.0 DETAILED PROCEDURE: (continued) 9.1 (continued)

1. (continued)

F. 2B3: Perform steps 9.l.l.a through 9.l.l.d on each piece of listed equipment and record test results.

TEST TIME JUMPERS EQUIPMENT CWD SWITCH SET ACTUAL REMOVED INITIAL/DATE 2B Component Cooling Water 205 CS4 6 Sec.

2B,LPSI 252 CS6 3 Sec.

2B Containment Spray 290 CS7 12 Sec.

2B Intake Cooling Water 833 CS10 9 Sec.

2B Aux. Feedwater 630 CS12 30 Sec.

2. 2AB 4160 SWGR A. Connect timer "Start" leads to terminal 5 and 5T on SWGR test switch and timer "Stop" leads to terminal TL1 & 6 on test light. Place SWGR test switch in "Relay Test" position to start timing sequence. /R4 B. 2AB: Perform step 9.1.2.a on each listed piece of equipment and record test results.

2C Intake Cooling 834 CS3 9 Sec.

2C Component Cooling 289 CS2 6 Sec.

NOTE General Multi"Am Timer 0 era tion.

1. Connect start leads of timer to connections specified.

2. Turn left timer switch to "AC/DC Applied".

3. Connect the "Stop" leads of timer to connections specified.

4. Turn right timer switch to applicable selection.

5. Turn timer power switch "ON" and push reset button.

6. Select seconds on Sec/Hz switch and select accuracy range to .01 seconds.

7. Turn start latch and stop latch switch to "ON".

Page 5 of 9 ST. LUCIE UNIT 2 MAINTENANCE PROCEDURE NO. 2-0910053, REVISION 4 12 MONTH TEST OF AUTOMATIC LOAD SEQUENCE RELAYS 9.0 DETAILED PROCEDURE: (continued) 9.1 (continued)

3. 480V LC/MCC NOTE 1 Exercise caution when performing test as equipment ma be ener ized.

NOTE 2 Make connections at terainal boards wherever possible (consult CWD's).

2HVS-lA 3 Sec. Jumper 27 fLDPU 1-2 contact.

2HVS-1C 3 Sec. Lift wire to relay coil (Tenn 2HVS-1B 3 Sec. ll) and connect test switch.

2HVS-1D 3 Sec. Connect timer. START across relay coil SIP acmss any terminal other thnn 1-2.

If the fan is not running, liftwire to relay coQ., Term ll, and connect switch. Lift terminal 2 of contact 1-2.

Hook up timer. SGQE acmss coil. SIOP across terminal 1-2 Running 513 6 Sec. For the 2LfiDPU relay, foliar or 516 6 Sec. pmcedure as outlined for Stand 27 fIDPU above.

Running 476 18 Sec. For the 2L/TIPU relay, pmceed 2HVS-5B 477 18 Sec. as in 27 fLDPU above.

2RV-3 Running 1169 21 Sec. For the 2L/TKPU relay, proceed 1163 21 Sec. as in 27flDPU above.

2RV-1 Runnirg 1219 21 Sec. For 2L/TIPU relay, pmceed as 2RV-2 1220 21 Sec. in 27 fIDPU above.

Running 1162 21 Sec. For 2L/TIPU relay, proceed as or 1163 21 Sec. in 27/TDPU above.

Stand B.A. 27 Sec. For 2 PU relay, proceed as Heat Trace in 27/TIPU above.

Transf. 2A B.Ae 147 27 Sec.

Heat Trace Tzansf. 2B 2A Batt 1001 27 Sec. Jumper TB-5 2-3. Lift Tenn 12 2B Batt. 1002 27 Sec. wire of relay 2/TDPU and 2AB Batt. 1003 27 Sec. install test switch fran relay coil tn lifted lead. Connect tiner. SZART across ll and 12 of relay. STOP across 2 and l.

Power relay using the test switch.

/R4

t' Page 6 of 9 ST. LUCIE UNIT 2 MAINTENANCE PROCEDURE NO. 2-0910053, REVISION 4 12 MONTH TEST OP AUTOMATIC LOAD SEQUENCE RELAYS 9.0 DETAILED PROCEDURE: (continued) 9.1 (continued)

3. 480V LC/MCC (continued)

JlÃHES DATE EQUIIWINI'32 9 Sec. Perform 9.1.1.A tIxough D MME) 833 9 Sec. Perform 9.1.2&

2AA Batt.. Running 1801 27 Sec. Junper TB5-2 to 3. Lift Term 2BB Batt. 1801 27 Sec. 12 wire and install test switch fran relay coil to lifted lead. Connect ther, SZAItT across relay 2fKPU coil, SIOF contact 1-2. Pmer rela usi test switrh.

Running 177 300 Sec. ll LiftTerm wire at relay 2B ~ or 178 300 Sec. 2L/TGPU. Lift one wire at 2C ~ Stand 179 300 Sec. terminals for contacts 1-2 of 2L/TIPU. Connect test switch at texntinal for lifted Term.

ll wire and a positive feed.

Connect timer SMT acmss 2L coil and SIOP across terminal 1-2. Power the relay using the test switrh.

174 300 Sec. Jumper terminal 1-2 of relay t

2/174TEPU. Lif Term ll wire on relay coil terminal. Hook up test switch bebreen wire and terminal 11 for 120V AC power. Connect timer STAR1 acmss relay coil. SIOP across any terndnal other than 1-2.

175 300 Sec. Omi,t gtmper at 1-2 and pmceed as in 2A other s s.

Page 7 of 9 ST. LUCIE UNIT 2 MAINTENANCE PROCEDURE NO. 2-0910053, REVISION 4 12 MONTH TEST OF AUTOMATIC LOAD SEQUENCE RELAYS 9.0 DETAILED PROCEDURE: (continued) 9.1 (continued)

3. 480V LC/MCC (continued)

INITIALDATE 2HVA/A(Zi-3A Standby 492 24 Sec. Have the NPS place unit to be 2HVA/ACC-3B 494 24 Sec. worked on on stazzIby. Lift Tenn ll wire of 2L/IDPU relay.

Lift one wire from terminals for contact 1-2. Connect test switch between wire lifted fran Term ll, and Tenn ll to power relay. Connect timer SMT Term ll to Tenn 12, SIGP across 1-2 contact of 2L relay 2HVE-ll Running 468 38 Sec. Omit if fan is on standby.

2HVE-12 or 468 38 Sec. Junper 2LflXPU 1-2. Lif t Standby Tezm ll wire and conelet test switch. Hook up timer, SThRZ Tezm ll to Tezm 12, SIOP across a s re contact.

2HVE-13A Standby 490 24 Sec. Lift wize to Tenn ll of 491 24 Sec. 2LfEPU relay. Lift wire to 2 of contact 1-2. Connect test switch between wire fran Term 11 relay. Hook up tbner SZARZ Term ll to Tenn 12 SIOP across contact 1-2.

2HVE-9A Standby 503 24 Sec. Liftwire to Tenn 11 of 2HVEHB 504 24 Sec. 2LfiDPU relay. Lift wire to 2 of contact 1-2. Connect test switch between Tezm 11 lifted wire and relay. Hock up timer SZARZ Tenn ll to Tezm 12, SIGP across contact 1"2.

Running 505 24 Sec. Jumper contacts 1-2 of relay 2HVSHB 506 24 Sec. 2LfZZPU. Liftwire to terminal 12 on 2L/TDPU. Connect test switch between Tenn 12 wire and tennirml. Hook up timer, STAKZ Tezm 11 to Term 12, SIGP across any convenient s ze contact.

/R4

1 Page 8 of 9 h ~ ~ ~ ST. LUCIE UNIT 2 MAINTENANCE PROCEDURE NO. 2-0910053, REVISION 4 12 MONTH TEST OF AUTOMATIC LOAD SEQUENCE RELAYS

~I 9.0 DETAILED PROCEDURE: (continued) 9.1 (continued)

3. 480V LC/MCC (continued)

KEMAL OH~1AATION 2A D G F.O. 1126 3 Sec. With pump not running, lift /R4 Trans. Pump wire Ll to relay coil and 2B D/G F.O. 1136 3 Sec. connect test switch fran Ll to Trans+ Pump TBO-9 (in excitation cubicle).

LiftTerminal 5 of contact 1-5. Hook up tissr. Start across coil. Stop across contact 1-5.

18 Sec. Jumper 2Ll/IDPU 1-5 contact.

18 Sec. t Lif wire to relay coil ard 2HVE-3A 18 Sec. t connect tes switrh. Connect 2HVE-3B 18 Sec. timer. STABT across relay coil. SIOP across any terminal other than 1-5.

If the fan is not running, liftwire to relay coil aml connect switch. Lift terminal 5 of contact 1-5.

Hook up timer. STAK1 across coil. SKP across terminal 1-5.

• NOTE These items have been added to satisfy safeguards test requirements. /R4 NOTE If it is more convenient, make hookups at terminal boards rovided the same result is obtained.

NOTES

1. Containment cooling fans are not to be cycled. If timer is out of spec, obtain clearance, retime or repair relay. Tech. Spec. 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />. Timers must be calibrated (checked) in the same position as mounted.

2. Equipment on MCCs - If timer is out of specs, obtain clearance, remove O.L. heaters, reset/repair relay, t

tes t wi thou 0.L. hea ters. When comple te, res tore O.L. heaters. Timers must be calibrated (checked) in the same osition as mounted.

Page 9 of 9

~ ~ ~ ST. LUCIE UNIT 2 MAINTENANCE PROCEDURE NO. 2-0910053, REVISION 4 12 MONTH TEST OF AUTOMATIC LOAD SEQUENCE RELAYS 9.0 DETAILED PROCEDURE: (continued) 9.1 (continued)

3. 480V LC/MCC (continued)

NOTES (continued)

3. 2L relay for 2A and 2B charging pumps are in RTGB-205.

All connections are made at the RTGB. 2C charging um 2L rela is in wirin box NS at switch ear.

Completed by Da te Verified by Da te Electrical Supervisor Sat Date Unsa t Comments':

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