ML20100P219
| ML20100P219 | |
| Person / Time | |
|---|---|
| Site: | Shoreham File:Long Island Lighting Company icon.png |
| Issue date: | 09/17/1984 |
| From: | INSTITUTE OF ELECTRICAL & ELECTRONICS ENGINEERS |
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| References | |
| OL-I-004, OL-I-4, NUDOCS 8412140069 | |
| Download: ML20100P219 (16) | |
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ANSI /IEEE g\\-k Std 3871977 (Revision of
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p An American National Standard IEEE Standard Criteria for Diesel-Generator Units Applied as
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Standby Power Supplies for Nucle r Power Generating Stations r
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Sponsor Ncclear Power Engineering Committee of the IEEE Power Engineering Society
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Approved November 28,1977 M
American National Standards Institute
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e Copyright 1977 by 1
The Institute of Electrical and Electronics Engineers,I c No part of thss publication many be reproduced in any form.
in an electrome retnetet system or otherwsne, wsthout the preor westten permsneson of the pubissher.
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8412140069 840917 PDR ADOCK 05000322 G
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O Approved September 9,1976 IEEE Standards Board i
Williarn R. Kruesi, Chairman Irvin N. Howell, Jr., Vice Chairman O
gyan c. Ea con, s,er, -. y William E. Andrus Irving Kolodny Williern J. Neiswender Jean Jacques Aschambault Benjamia J.14on Gustave Shapiro Dele R. Cochran Anthony C. Lordi Ralph M. Showere Warren H. Cook John P. Markey Robert A Soderman f
i Louis Costrell Thomas J. Martin
!.4onard W. Thome, St.
'O Jay Toester Donald T. Michael Charles L Wagner Joseph L Koepringer Voss A. Moore William T. Wintringham t William S. Horssa i
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Foreword l d as Standby Power 3871977, Criteria for Diesel &nerator Units App ie (rhis foreword la nos a part of IEEE Std Supplies for Nuclear Power Generstlag Stauons.)
This document is supplementary to IEEE Std 308-1974, Standard Criteria for Ca h 5.2.4, " Standby
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tems for Nuclear Power Generating Stations, and specifically amplifies paragrap Power Supplies," of that document with respect to the application of diese1 enerato 1
The IEEE hr developed this document to provide the principal design criteria, desig i l ding qualification conaderations, and testing requirements for individual diesel gene dby power sup-aust11ary equipment and controls within the scope of this document used in the stan f Federal ply of a nuclear facility, which comply with the Nuclear R
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323 1974, qualifying the diesel-generator unit and supplements the criteria described in IE
" Standard for Qualifying Class 1E Equipment for Nuclea d
t the equip-this document to support the position that when rated in accordance with this ocumen ment should provide many years of continuous opera
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i i h 40 tmg time under loaded conditions may only be equivalent to one year continuous s yearlife expectancy of the plant.
ever necessary dunng the life of the plant, and the ongo h ld be followed to maintain this equipment in a " ready state." These concerns may be ing the :nanufacturer's recommendations and performing periodic tests in acco
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placed long before failure o' these components is expec document and site testing progr.ms.
ified and documented, and the required action included as part of the maintenance program.
Engine auxilianes, including electne motors, may be selected on a conservative bas ld mendations for replacement r>enodically during the life of the plant, Replacement inte be based on conservative judgement of component life supported by operating expe
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The Generator excitation system, and other electncal equ pmen senbed in IEEE Std 232 1974.
should be periodically inspected and tested, includir.g insula be recorded and compared with previously recorded results to determine if there is an It is the intent of the IEEE to add a Section 5.6.4 entitled " Protecti
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radauon.
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308-1974 for general requ remen s the intenm, users of this document are referred to IEEE Std covenng the area of protection.
Additional work is in progress to expand on the following sections of this document:
i is) Section 5.1.2 (3) and Sectic.n 6.4.2 - Light Load er No I oa considerations with associated systems outside the scope of this document.)
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(c) Section 6.2 - Factory Production Tests.
(d) Sectic.n 6.7 - Preventive Maintenance Inspection, and Testing.
t MC'fE: ANS$9 is preparms a senes of standards applicable to the fuel oil, combustion air f
emons of os! systerns of the diesel generator units, ano these standards wsil be referenced as appropriate. i
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the document.
Adherence to these criteria may not suffice for assuring the public health and safety ad the integrated performance of the structures, the fluid systems, the instrumentation syste 1
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the consequencu of accidents.Each applicant h
the electrical systems of the station that establis es t d performance is adequate.
has the responsibility to assure himself and others tha d this standard:
LC. Madison, Chairman
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T. Luke C. Manaang
- s. Chakraborty G.L. Miller D.H. Clark C.H. M o uer H.W. Falter F. Rose A.R. Fleischer R.L. Spetka L.H. Flisher G.J. Taran H.M. Hardy H.F. Thieme F.H.Lamo w uz DJ. Wiluams M.R. Lane B.R. Little D.W. Wilsoa Committee had the follow.
i At the time it approved this standard, the Nuclear Power Engineer ng ing :nembership:
A. J. Simmons, Vice Chairman
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T. J. Martin, Chairman L. M. Johnson, Secretary J. R. Fenland R.I. Hayford D. G. Fischer R. E. Allen
- T. A. Ippolito H. V. Redgate J. F. Bates L M. Jacoba B. M. Rice r
J. T. Bauer A.Kaplaa J.C.Russ F. D. Baxter R. F. KarGeek W. F. Sailer
}
J. Tl Beard A. Laird J. H. Smith R.G.Benham J. L Martone A. J. Spurgin J. T. Boettger T. J. McGrath L. Stanley P
K. J. Brockwell G. M. McMush W. Steigelmann D. F. Brosnan W. C. McKay H. K. Stolt y*
F. W. Chandler W. F. Nomeki D. F. Sullivan C. M. Chiappetta W. L O'Neal P.Szabados N. C. Fart
. E. S. Patterson H.A. Thomas j>M J. M. Gallagher J. B. Gardner N
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,J Contents yxos IC10N 7
Sc pe.................................................................
7 General...........................................................
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7 1.1 Inclusions.........................................................
7 1.2 Ex clusions........................................................
9 1.3 Scope Diagram.....................................................
9 1.4Purpose...............................................................
9 D e finitio ns............................................................
9 Re ference s :andards....................................................
g 1.
9 S tand ards.........................................................
10 4.1 Co n fli cts..........................................................
10 4.2 Principal Design Criteria...................................................
10 Ca p ability.........................................................
5.
10 5.1 Ratings...........................................................
11 5.2 In teractions.......................................................
11 3
5.3 Q ualification......................................................
11 5.4 Design and Application Ccnsiderations..................................
11 5.5 D esi gn Fe st'2res....................................................13 5.6 Requirements for Testing and Analyses.......................................
13 6.
Genenl...........................................................
14 6.1 Factory Production Tests.............................................
14
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6.2 Type Qualification Testing Procedures and Methods........................15 6.3 Site Test Categones.........................
16 6.4' Site Acceptance Testing..............................................
16 6.5 P e riodic Testing....................................................
16 6.6 Preventive Maintenance, Inspection, and Testing...........................
6.7 12 Design and Application Considerations...................................
Tabl21 8
Sc ope D iagram.....................................................
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Scope Diagram Drawings and in T.st.
( Abbreviation. he,ein are in accordance with ANSI Y1.11972. " Abb,eviation 3151975 ( ANSI Y32.21975). "Craphic Sym-Graphic Symbols and de.ignations are in accordance with IEEE Std bot. for Elatncal and Electronics Diagram."(CSA Z99-1975).)
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An American National Standard 3
IEEE Standard Criteria for Diesel-Generator Units Applied as Standby Power Supplies for
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Nuclear Power Generating Stations cited above, exclusive of the auxiliary power
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- 1. Scope system beyond the generator termmals.
(5) Those elements of the unit necessary for 1.1 General. This document applies to the ap-maintammg the diesel-generator in a warm lication of dieselgenerator units as individual standby condition and essential to the safety units of the standby power supplies in station-function.
ary nuclear power generating stations.
1.3 Exclusions. The following are outside of 1.2 Inclusions. The following are within the the scope of this document:
scope of this document:
(1) The diesel-generator unit enclosure and (1) The dieselengine, including:
foundations.
(a) the flywheel (2) The external service equipment and sys-(b) the combustion air system, starting tems which are a part of or wtuch are housed in at the engine air intake connection the diesel-generator unit enclosure, other than including the affects of any remote those tabulated in 1.2, such as equipment for air intake filter or silencer, or both providing and conveymg combustion air, ven-i (c) the starting system tilating air, etc, to the vicinity of the diesel.
I (d) the startmg system energy sources generator unit.
(e) the fuel oil system startmg at the fil-(3) The auxiliary power system beyond the I
ters and strainm ahead of the engine generator terminals of the diesel-generator unit, h
fuel oil reservoir including:
l (f) the lubncating oil system (a) the conductors for conveying power (g) the cooling system, startmg at the from the generator point where the cooling medium is (b) the diesel-generator unit main dis-introduced to the diesel-generator connecting and protective device r
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(h) the exhaust system to the down-(c) the generator circuit instrument unit
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transformers, whether furnished with stream side of the exhaust silencer, the diesel-generator unit or not but excluding piping frcm the engine (d) the generator protective relays.
exhaust connection to the inlet of t
l l the silencer and silencer tail pipe (4) The control, surveillance, and piotection
- l I
(i) the governor system.
systems for:
l (2) The generator, including:
(a) initiating the " Start Diesel Signal" (a) the main tends stopping at the gen-(b) loading the diesel generator unit erator terminals (c) pro +,ecting the loads energized by the (b) the excitation and voltage re/uistion diesel generator unit J
- systems, (d) disconnectmg the loads energized by j
(3) The control, protection,and survdllance the diesel-generator unit systems associated with the diesel ename, the (e) prevention of common mode fadure
);
generator, and their auxiliary equipment and between the preferred power supply systems cited above.
and the standby power supply.
(4) The ac and de distnbution systems asso-(5) Determination of the charactenstics of cisted with the diesel engine, the generator.
the service envircnment.
and their auxiliary equipment and systems r)-
7
O IEEE Std 3871977 R StJFFLIES FOR NUCLEAR FOWER GENERATING STATIONS
- WD5Y FO%
U 3.7 rating of diesel. generator unit.
l Scope Diagram. The scope diagram pre-3.7.1 continssous esting. The electric power ited in Fig.1 illustrates the delineation of output capability that the diesel generator unit s sc pe that is stated above.
can maintain in the service environment for 8760 h of operation per (common) year with only scheduled outages for maintenance.
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.3.7.2 short time rating. The electric power output capability that the diesel-generator unit can maintain in the service environment for 2 h 1 Purpose in any 24-h period, withoc exceeding the manufacturer's design limits and without re-The purpose of this document is to provide ducing the maintenance interval established for D is principal design critens, the design features, is qualification considerations, and the testing the contmuous rating.
equirements for the mdividual diesel-generator NOTE: Operation at this rating does not limit the une nits which enable them to meet their func-of the diesettenerator unit at its continuous rating.
icnal requirements as a part of the standby icwer supply under the conditions produced 3.8 redundant equipment or system. An equip.
g >sy the design basis events catalogued in the ment or system that duplicates the essential lant Safety Analysis.
function of another equipment or system to the extent that either may perform the required f2nction regardless of the state of operation or j
r failure of the other.
3.9 service environment.The aggregate of con-c0
- 3. Definitions ditions surrounding the diesel-generator unit in the diesel generator unit enclosure, while serv.
3.1 acceptabis. Demonstrated to be adequate ing the design load dunng normal, accident, by tha safety '.nalysis of the plant.
and post accident ope. ration.
3.2 common failure mode. A mechanism by 3.10 standby power supply. The powe. supply O which a single design basis event can cause re-that is selected to furmsh electric energy when dundant equipment to be inoperable.
the preferred power supply '.s not available.
3.3 design basis events. Postulated events used 3.11 start diesel signal.That input signal to the in th2 design to establish the performance re-diesel-generator unit start logic which initiates quirements of the structures and systems.
a diesel-generator unit start sequence.
Q 3.4 design load. That combination of electric 3.12 surveillance. The determination of the loads, having the most severe power demand state or condition of a system or subsystem.
charactenstic, which is provided with electric en:rgy from a diesel-generator unit for the op-3.13 quali5ed diesel generator unit. A diesel-cration of engneered safety features and other generator unit that meets the qualification re-systems required during and following shut-quirements of this document.
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down of the reactor.
I 3.5 diesel-generator unit. The assembly or ag-gregate of assemblies of one or more single or diesel-engine generators, associated aruitiple auxiliary systems and control, surveillance, and l';
O protection systems that make up an individual
- 4. Reference Standards unit of a diesel generator standby power supply.
4.1 Standards. The equipment and accessories 3.6 preferred power supply. That power supply of the diesel generator unit shall conform to that is preferred to furnish electric energy un-the applicable portions of the following stan-der accident or post-accident conditions.
9
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.O IEEE STANDARD CRFTERIA FOR DIESEIrOENERA'ICR UNITS tEEE Sed 3471977 4.2 Confucts. Where confucts occur between dards and the latest revisions thereof,as of the this staridard and any reference standards listed date of approcal of this document.5 in Subsection 4.1, the provssions set forth here-
.O (1) ANSI C50.51955, Rotating Eacitars In shall govern.
for Synchronous Machmes.
[2] ANSI C50.101977, General Require-ments for Synchronous Machines.
[3] ANSI C50.121965, Requirementa for Sauent Pole Synchronous Gener.
.O ators and Condensers.
[4] API Std 650, Welded SteelTanks for On Storage.
- 5. Principal Design Criteria
[5] DEMA, Standard Practices for Iow and Medium Speed Stationary Diesel 5.1 ^ W *y.
and Gas Engines.
5.1.1 General. When a service, each diesel.
O (6] IEEE Std 1151965. Test Procedures generator unit shall have the capability of per.
for Synchronous Machines.
formmg as a redundant unit of a standby
[7] IEEE Std 308-1974, Standard Crite, Power supply, in accordance with the require-ria for Class 1E Power Systems fer ments stated in IEEE Std 3081974 (7].
Nuclear Power Generating Stations, 5.1.2 Mechanical and Electrical Capabilities.
[8] IEEE Std 323-1974, Standard for The diesel-generator unit shall siso have each of quautying Class IE Equipment for the following specific capabilities:
O Nuclear Power Generating Stations.
(1) Service Environment. Operation in its servict environment during and after sny de-NOTE; The requirements for qualification stated la sign basis event, without support from t[le pre-IEEE Std 387 t977. Criteria for Diesel 4enerator Units Apphed as Standby Power Supplies for Nuclear Power ferred power supply.
Generating Stations. are based on an interpretation of (2) Starring and Loading. Starting. sccel-IEEE Std 323 t974. as applicable to these dieselsen-erating, and being ronded with the design load,
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within an acceptable time Ia) from the normal standby condition
[9] NEMA MG-11972, Motors and Gen-(b) with no cooling atadable, for a time erators.
(10] NFPA No 37, Standard for the In-equivalent to 9 tat required to brmg the cooling equipment into service stallation and Use of Stationary Combustion Engines and Gas Tur-with energy from the dieselgenera-
,O tor unit bines.
(11] TEMA. Standards of Tubular Ex-(c) on a restart with an initial engine changer Manufacturers' Association.
temperature equal to the continuous (12] IEEE Std 344 1975, Recommended ratmg full load engine temperature.
Practices for Seismic Qualification of (3) Light Load or No Load Operefron.
Class IE Equipment for Nuclear Accepting design load following operation at O
Power Generating Stations.
light load or no load for an acceptable time.
(4) Design Load Profile. Carrying the de-sign load for an acceptable duration of time.
(5) Quality of Power. Mamtaining voltage and frequency at the generator terminals with-in limits that will not degrade the performance
't<sead for Staadards orremaatica O
ANSI - Amencan National Standards tanutute be. low their minimum requirements, mciuding API
- Amencan Petroleum Insutute the duration of transients caused by load ap-DEMA - Diesel Engine Manufacturers' plication or load removal.
Associatioa IEEE
- Inautute of Electncal and Electronic's Engineers 5.2 Ratings.
NEMA - Nauonal Electncal Manufacturers:
5.2.1 General. The diesel generator unit shall
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NFPA - Neuonal Fire Protection Associauo.n have continuous and short-time ratings wh2ch O
A.ao.sanoa TEMA - Tubular Exchanger Manufacturera shan reflect the output capabilities of the diesel-Associauon i
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IEEE 844 f 471977 f ANDsY F0WER SUFFt.IES FOR NUCLEAR FOWER GENERATING FTATIONS erator unit ph as governor, generator,overall
).merator unit as constramed by the capability. quit m.nts of 5.1 and the appli other accessones/auxilianes that may change R *.ezcitation characteristics, and system W f 5.L.J and 5.2.3.
the capability or performance of a puviously 5.2.2 General App 8cesion Amtes (See 3.7).
qualified engine-generator umt shall be quali-Ade f. Inspections and scheduled mainte.
fled by analysis o' further testing, or both.
1 tance shau be performed periodically using the 5.4.4 Minor changes to a previously qualified sanufacturer's recommendations and proced-engme-generator unit, such as component parts
) tres or operating experience, or both, replacement, shall be qualified as follows-Rule 2. Unscheduled maintenance shall be xrf:rmed in accordance with need as indica-(a) When replacement does not alter the 4 by the periodic laspections as suggested by original design, qualification shall be by analy-sis or testing, or both, in accordance with 6.6.
.h2 manufacturer's recommendations or as assed on operating experience, or both.
(b) When replacement alters the original de-5.2.3 Operwrfon APP cation Rade (See 3.7.1 li snd 3.7.2). The diesel. generator unita may be sign, qualification shall be by analysis or 6.3.1,
)
Ioad Capability Qualification, and 6.3.3, utilized to the limit of their power capabilities Margin Qualification, or all.
as defined by the continuous and short time (c) When replacement destades the engine rating.
starting or load acceptance capability, qualifi.
cation shall be in accordance with all require-
) 5.3 lateractions. Mechanical and electric sys-ments stated under 6.3.
tem interactions between "a particular diesel-gen:rator unit and other units of the standby 5.5 Dessgn and Application Considerations. De-F pcw:r supply, the nuclear plant, the conven-d appicada comations shan in.
tional plant, and the Class 1E electric system dude but not necessarily be limited to the con.
shall be coordinated in such a way that the g
gg dieseltenerator units design function, and cap:bility requirements of 5.1, may be realized i
for any design basis event, except failure of 5.6 Design Features.
5.6.1 Mechenscal emi Electrarsi Design Fee.
l that diesel generator unit.
raares.
j 5.3.1.1 Vibration. Harmful vibrutaan stress-h 5.4 Qualification. The desir,n of the diesel-gen-es shall not occur during acceleration or decel-l ' erttor unit for application as part of the stand-eration.
5.6.1.2 Torsional Vibretion. Harmful tor-by power supply and requiring the capabilities sional vibration stresses shau not occur within listed in 5.1 shall be qualified in accordance J
c-ith IEEE Std 3231974 [3] and 6.3, Type a range from 10 percent above to 10 percent Qualification Testing, based on the following below rated idle speed and from 5 percent above to 5 percent below rated synchronous h consid: rations:
5.4.1 The effect of aging components on the speed.
c:pability to perform in accordance with Sub-5.6.1.3 Overspeed. Meving parts shall be secticn 5.1 may be established by previous op-designed to withstand, without damage, that e'atmg expenence and a program for periodic level of overspeed that is caused by the follow-prev:ntive maintenance, inspection, testing, ing:
and parts replacement-in accordance with 6.6 (1) Full short. time load rejection: plus l
and 6.7, to be conducted throughout the oper-(2) Margin to allow the overspeed device to be set sufficiently high to guarantee that the ating life of the plant.
5.4.2 Major changes to a qualified engine unit will not trip on full short. time load rejec-such as differences in the number of cylinders, tion.
changes in stroke or bore, brake mean effective (3) As a muumum, the genarstor, exciter, pressure, speed, or diesel generator arrange-and flywheel shall be designed to withstand an 1
m:nt in unique or different configuration, shall overspeed of 25 percent without damage.
be requalified in sceordance with 6.3.
5.6.1.4 Governor Operetion. If the diesel 5.4.3 Modifications to a qualified diesel-gen.
enginie is equipped to operate in either the iso-11 l
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rEEE Std 3871977 IEEE STANDARD CRrtERIA FOR DIESEL GLVERATOR UNITS AFFI.IED A8 l
)
chronous or the droop mode, provtsions shall 5.6.2 Control.
l be included to automatically place the engine 5.6.2.1 Control Moder. The diesel-genera-governor in an acceptable mode of operation tor unit shall be provided with control systems when the diesel-generator unit is required to permitting automatic and manual control.
operate automatically.
5.6.1.5 Voltage Regtdator 0peration. If the 5.6.2.2 Automatic Control. Upon receipt
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voltage regulator is equipped to operate in of a start <iiesel signal the automatic control either the paralleled or nonparalleled mode, system shall provide automatic startup and provisions shall be included to automatically automatic adjustment of speed and voltage to a place the voltage regulator in an acceptable ready.to-load condition.
mode of operation when the diesel-generator (1) A start <ilesel signal shall overnde all unit is required to operate automatically.
other operating modes and return control of Table 1 Design and Application Considerations Of Intmoet to Manu-Ueeri fac-Consideration Designer turer l
- 1. Common fadure mode between units of the standby power supply z
[
- 2. Single failure critenon as applied to the standby power supply x
i
- 3. Matching of diesel ensme. alternator, excitation system, and voltage r gulator x
- 4. Energy for operation of the control, surveillance, and protection systems x
x
- 5. Control, survedlance. and peciteetion systems x
x
- 6. Lubrication system and equipment x
- 7. Selection of air. water, or other means of cooling a
- 8. Supply of cooling medium x
- 9. Cooling system and equipment x
x I
- 10. Selectaon of electnc. pneumstac. or other means of starting x
- 11. Supply of starting energy x
=
- 12. Starting system and equipment x
- 13. Supply of combustion air x
)
- 14. Combustion air system and equipment x
x
- 15. Supply of fu l x
x
- 16. Fuel supply 7 stem and equipment x
x
- 17. Removal of goducts of combustion x
x
- 18. Equipment design life z
x
- 19. Service environmJnt x
x
- 20. Seismic design x
x
- 21. Design load x
x
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- 22. Time available between receipt of start diesel signal and initiation of load sequence x
- 23. Description of loadir.g sequace with time durstions of application of individual loada x
3
- 24. Maximum time avadable between receipt of start diesel signal and acceptance of design load a
- 25. Accommodation of loading sequence and time durataan for application of individualloads x
- 26. Load performance charactens es x
x
- 27. Continuous ratmg x
x
- 28. Short time rating x
2
- 29. Light load and no load ope-ation x
x
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- 30. Diesei-generator unit performance charactenstica x
- 31. Electric fault conditions x
x
- 32. Electne transients x
x l
- 33. Insulation and temperature rating of electne equipment insulation systems for operstmg E
and quiescent conditions E
- 34. Creepage and clearsace distances for electne equipment contacta 8
- 35. Electrically induced thermal effects 8
- 36. Mechana.; ally induced thermal effecta 5
- 37. Thermal shock E
J
- 38. Mechamcal sheck
- 39. Operating cycles that may cuae thermally induced stresses x
8
- 40. Physical configuration and mechamcal support of attacized auzaliaries. accessones.
8 hardware. piping. wire and cable and raceways l
- 41. Handling durms manufacture, shipping. storage, and installation x
8
- 42. Fire protection system E
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i 12
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izEE Sid 3471977 frat 10NS
) TANDBY POWER SUFFLIES FOR NUCLEAR POWER CE 6.1.2 Arrek.in Run. Break.in runs shall be se diesel. generator unit to the automatic con-performed on each new diesel-generator unit for the length of time required to pass through
,.ol system.
A start. diesel signal shall not override the initial failure period of the unit.The break-(2) ny manual nonoperating modes such as thosein run on the diesel may be performed before or repair and maintenance.
the diesel is assembled to the generator.
3 5.6.2.3 Control Polars.1*rovisions shall beLength of time shall be based upon previous neds for control from the control room and operating and test experience of the macufac-external to the control room.
turer.
6.1.3 Service Environment. Results of tests 5.6.3 SurwWence.
5.6.3.1 Surveillance Systems. The diesel.
shall be corrected to the condition of the ser-generator unit shan be provided with surveil-vice environment including site exhaust muffler 3 lance systems permitting romote and local and air intake air filtergilencer systems.
sury:illance and to indicate the occurence of abnormal, pretrip, or trip conditions.
, 5.6.3.2 Modes Surwyed. As a minimum the 6.1.4 Documenterson. Testa shall be com.
f:llceng conditions of operation shall be sur-pletely documented, meluding records of fail.
utes, their repair, and retesting. Type Qualifica.
i "Ied.
tion test data shall contain the fonowing:
h (1) unit not running e9uipment pedormance specm.
(2) unit running - not loaded (1)
I (3) unit running -loaded cadons.(2) IdentificaQn of the spec 15e fea-(4) unit out of service.
ture(s) to be demonstrated by the test.
i j
5.6.3.3 Surveillence Instrumentet/on. The (3) Test plan.
fou: wing systems shall have sufficient me-(4) Report of test results. The report 3 chanical and electne instrumentation to survey shan include:
the vanables required for successful operation (a) objective and to generate the abnormal,pretnp, and trip (b) equipment tested ugnals requued for alarm of such conditions:
(c) dancription of test faciuty (test setup), instrumentataan used in-(1) starting system ciuding calibration records refer.
]
(2) lubricating system ence, and test environment (3) fuel system (4) pnmary cooling system (d) test procedures (5) secondary cooling system (e) test data and accuracy (results)
(6) combustion air system (0 summary, conclusions, and ree-i ommendations (7) exhaust system (8) generator (g) supporting data 3
(9) excitation system (h) approval signature and date.
(10) voltate regulation system 6.1.5 Analyses. Although testing is preferred, (11) governor system analyses may' supplement or be substituted for (12) auxiliary electne system.
tests, where testmg is not practical, to demon.
strate conformance to the enteria stated in Sec-tion 5 of this document.
3 6.1.6 If type qualificaaen tests are per-formed at the engine manufacturer's or assem-bier's facilities, and not at the site, the exhaust
- 6. Requirements for Testing and muffler and intake air citer. silencer normany Analyses used for shop testa may be substituted in place of the equipment to be provided for a specific
)
6.1 General.
site, since it is not practical to duplicate the air 6.1.1 Implementerion. The requirements of intake and exhaust equipment and piping Section 6 shan be implemented in accordance which will exist at the site, or future sites for with a wntten test plan which shall be consis-which the diesel-generator unit is being quali-tent mth the reference standards listed in Sec.
Sed.
tion 4 of this document.
)
13
h 347 1977 IEEE FTANDARD CRITERIA FOR DIESEZrGENERATOR UNTTS APPLIED AS O
6.2 Factaey Production Tests. The following accordance with 6.4.5. One successful comple-minimum production tants shall be performed tion of the test sequence shall satisfy this par-by the equipment utnufacturers for each unit:
ticular type quali# cation requirement.
(1) DieselEngma In accordance with (1) Load equal to the continuous rating manufacturer's standard test procedure.
for the time required to reach engine tempera-(2) Generator -In accordance with the lat.
ture equilibrium, plue 22 h. The engine tem.
O est NEMA Publication MG-122.50, perature equilibrium is defined as jacket water (3) Excitation, Control, and other Accessor-and tube oil temperatures within 210* F ies/Auxilwries - In accordance with manufac-(5%*C) of normal operating temperatures as turer's production test procedure, established by the engine manufacturer.
(2) Immediately following the load in 6.3.1 (1), the rated short time load shall be applied for a period of 2 h.
6.3 Type Qualification Testing Procedures and (3) The continuous rating load rejection Methods. Diesel. generators of tyws not pre-test shall be performed. The load rejection test viously qualified as a standby p,,~r source for nuclear power generating statio. s shall be sub-will be acceptable if the increase in speed of ject to a type quali/! cation testing prograrn the diesel does not exceed 75 percent of the consisting of Iood capability qualification, start diffesence between nominal speed and the and load acceptance qualification, and margin overspeed trip set point, or 15 percent above nominal, whichever is lower.
quell /ication. It is preferred that these qualifi-(4) Light load equal to the design basis cation tests be performed at the engine manu-facturer's or assember's factory; however, they light loads for the required duration.
may be conducted at the site if certified calibra-6.3.2 Starr and Load Acceptance Quall#ca-ted instrumentation is provided to measure and tion. A series of tests shall be conducted to es-O record the same functions and characteristics tablish the espability et the diesel-generator normally measured under factory testing con-unit to start and accept load within the penod ditions. Qualification tests may be performed of time to satisfy the plant design requirement.
on one or more units, although qualification An acceptable start and load acceptance test is l
of one unit will qualify like units of that type defined as follows; however, other methods for equal or less severe service. If s:srt and load with proper justification may be found equiva-acceptance qualification tests (see 6.3.2)' are lent for the level of reliability to be demonstra-paerformed using more than one identical unit, ted:
then each of these units n.ust be tested for load A total of 300 valid start and loading tests capability qualification (see 6.3.1) and margin shall be performed with no more than 3 fail-qualification (see 6.3.3).
ures allowed. If the 300 tests are spread over Type Qualification tests on the complete more than one unit, each unit sha!! be started g
diesel generator unit included in scope diagram and loaded at least 100 times. Failure of the figure No 1 shall be performed in addition to unit or units to successfully complete this w-setsmic analysis or seismic testing by the equip-ries of tests, as presenbed, will require a review ment manufacturers in accordance with IEEE of the system design adequacy, the cause of the Std 3441975 [121 failures to be corrected, and the tests contin-Type Qualification tests shall be performed ued until 300 valid tests are achieved wW1out 3
following successful completion of the diesel exceeding the 3 failures allowed.
l break in run, and the Factory Production Tests.
The start and load tests snall be conducted as Following the successful completion of these follows:
type qualification tests, the equipment shall be (1) Engine cranking : hall been upon re-inspected in accordance with the manuf.sctur-ceipt of the start signal, and the diesel-genera-er's standard procedure, and inspection results tor set shall accelerate to specified frequency shall be documented.
and voltage within the required time interval.
D 6.3.1 Loal Capability Quali# carton. This test (2) Immediately following (1), the diesel-is to demonstrata the capability of the diesel-generator set shall accept a single step load generator set to carry the following rated loads
, equal to or greater than 50 percent of the gen-at rated power factor for the penod of time in-erator nameplate continuous kW rating. Load dicated, and to successfully reject rated load in may be totally resistive, or a combination of
)
14
)
maz gfANDBY POWER SUFr!.ES FOR NUCLEAR POWER GENERATING FTATIONs sed 347.t977 resistave and inductive loads. Voltage and fre.
circuit breaker, load, interconnecting piping
)
quency shall stabilize to within spectfled limits and wtrmg, and any other temporary setup within the required time interval, which will not be part of the permanent instal.
(3) At least 270 of these tests shall be per.
lation.
formed with the diesel. generator set initially at 6.3.3 Nergin Qualification. Testa shan be
" warm standby," based on Jacket water and conducted to demonstrate the diesel. generator lube. oil temperatures at or below values rec.
set capabdity to start and carry loads that are
)
emmended by the engine manufacturer. After greater than the most severe step load change load is applied, the diesel-generator set shall within the plant design loading sequence. These continue to operate until jacket water and tests may be combined with the loed espotility Irbe. oil temperatures are within 210*F (5%*C) or start and load ecceptence qualification tests.
cf the normal engine operating temperatures At least two margm tests shall be performed f r the corresponding load.
using either the same or different load arrange.
(4) At least 30 tests shall be performed ment. A margin test load at least 10 percent f
with the engine initiauy at normal operating greater than the most severe single step load i
temperature equilibrium defined as jacket within the design load sequence is considered i
water and tube. oil temperature within 210* F sufficient for the margm test. The frequency (5%*C) of normal operating temperatures as and voltage excursions recorded may exceed
(
estabhshed by the engme manufacturer for the those values specified for the plant design load.
correseponding load.
The criteria for mergin qualification are as fol.
)
( 5 ', If these tests are performed on more lows:
than one unit, the number of starts on each (1) Demonstrate the ability of the genera.
I unit at " warm standby" and " normal operating tor and excitation system to accept the most c
l temperature" shall be in proportion to the start severe electrical load (usually the low power tests stated under (3) and (4) above.
factor, high inrush, startmg current to a pump If the cause for failure to start or accept load motor) without experiencing instability result.
m accordance with the preceding sequence falls ing in generator voltage coBapse, or significant under any of the categories listed below, that evidence of the inability of the voltage to re.
particular test may be disregarded, and the test cover.
nequence resumed without penalty following (2) Demonstrate that there is sufficient zientsfication of the cause for the unsuccessful engme torque avadable to prevent engme stall, attempt:
and to permit the engme speed to recover,
)
ta) Unsuccessful start attempts which can when experiencing the most severe load re-
[
definitely be attnbuted to operator error, in.
quirement.
I cluding setttng of alignment control switches, theostats, potentiometers, or other adjustments 6.4 Site Test Categories.
that may have been changed inadvertently 6.4.1 Starting Test.
Starting tests shall pnor to that particular start test.
demonstrate the capability to attain and stabil.
)
(b) A starting or loading or both testa per.
ize frequency and voltage within the acceptable formed for venfication of a scheduled mainte.
Limits and time.
nance procedure required during this series of 6.4.2 Load Acceptance Test. Load accept.
tests. This maintenance procedure shall be de.
ance tests shall demonstrate the capability to fined pnor to conductmg the start and load oc.
accept the individual loads that make up the ceptance qualification tests and will then be.
design load, in the destred sequence and time come a part of the normal maintenance sched.
duration, and to maintain the voltage and fre-
)
uls after installation, quency within the acceptable limits.
(c) Tests performed in the process of NOTE: It the dienei-seneretoe unit has e light load or troubleshooting (tests performed to venfy cor-no load operauon espebdity the load neceptance t.at rection of the problem may be counted as valid sequence shan include considerations of the pot atial effects on load acceptance followins such operation.
tests),
(d) Successful start attempts which were 6.4.3 Reted Load Test. Rated load testa shall
)
termmated intentionally without loadmg.
demonstrate the capability of carrying the fol.
(e) Failure of any of the temporary ser.
Iowing loads for 'the indicated times without nce systems such as de power source, output exceeding the manufacturer's design limits:
15 k
1
)
(1) starting testa load acceptance tests A load equal to the continuous rating (2) far a time required to reach a temperature(3) rated load tests (1)
(4) design load tests
)
equalbrium plus 1 h.A load equal to b short time rating (5) load rejection tests (2)
(6) electncal tests 6.4.4 Desdyr Loest Test. Design load tests (7) subsystem tests.
for 2 h.
h shall dentonstrate the capabdity of carrymg t e design load for a time required to reach a tem.
6.6 R% Testing. After beang placed in ner.
parature equilibrium plus 1 h, without exceed.
vice, the dieselgenerator unit shall be tested
)
periodically to demonstrate that the conti ing h manufacturer's design limits.6.4.5 Lead Refection Test. Lo capability and avadabdity of the unit to per.
testa shall demonstrate the capability of reject.
fom its intended function is acceptable, ing the maximuni rated load without exceedmg 6.6.1 ArefAsbility Test. The diesentenerator speeds or voltages which will cause tripping, unit shall be started and loaded at w,.*1 damage, or harmful overstresses.
no longer than 1 month to the capacity recom-6.4.6 Elecideaf Test. Electrical tests shall mended by the manufacturer, operating for c
demonstrate that the electrical properties of penod necessary to nomahze sH opera l
the generator, excitation systein, voltage regu.
temperatures in order to demonstrate its co lation system, engine governor system, and thecontro tinued avadability for operation.
I 6.6.2 Operational Test. The dieseltenerator unit shall be given one cycle of each of th for the int +nded application, 6.4.7 Subsystem Test. Testa shan demon.lowing tests, at acceptable intervals,to dem strate the capability of the control, surveil, strate its continued capability of performm lance, and protection systems to function inaccordanc required function:
l tended application.
(1) startmg test (2) load acceptance tat 6.5 Site AW=.e Testing. After final assem-(3) designIced test 9
bly and prehmmary startup testing, each diesel-(4) load rejection test "g
generator unit shall be tested at the site todemonstrate (5) subsystem tests.
.g
',y perform its intended function is acceptable.6.5.1 Test Le 6.7 Lc-ive Maintenance, Inspection, an p
preventive maintenance,
),o ried, and rejected durms site testing shah be Testing.
Separate inspection, and testing programs sha a
the haign load auxiliaries located at the sta-lished for the engine-generator and allsu tion. Equivalent loads may be used if theseing systems based on manufacturer's auxiliaries cannot be operated for testing.
mendations, including time interval for p 6.5.2 Test Conduct. Test loads shan be ap-replacement. These procedures sh plied in the sequence and tunmg specified inthe Plan mented based upon oper
)
at least until a 4teady-state operating tempera-d the unit in accordance with SA ture is reached, The tests to be given to h mandatory provisions of this program.
6.5.3 Tesar.
diesel generator unit shall be as follows:
1 16 l
- ~ ~
c-
-..