ML20137M193

Rev 1 to Auxiliary Transformer Metering Classification Change from Class 1E to Associated

ML20137M193
Person / Time
Site:	Clinton
Issue date:	06/07/1985
From:	SARGENT & LUNDY, INC.
To:
Shared Package
ML20137M160	List: ML20137M163 ML20137M167 ML20137M175 ML20137M185 ML20137M193 ML20137M197 ML20137M206 ML20137M215 ML20137M239 ML20137M267 ML20137M281 ML20137M287 ML20137M300 U-600412, Forwards Calculations Providing Design Basis for FSAR Discussion on Electrical Separation,Including Rev 0 to 19BD-2,19BD-8,19BD-11,19BD-12,19BD-13,19BD-15,19BD-16 & 19BD-17 & Rev 1 to 19BD-5,19BD-7 & 19BD-10
References
19BD-7, 19BD-7-R01, 19BD-7-R1, NUDOCS 8601280212
Download: ML20137M193 (15)

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?roy'Pcf No.Y535-:

1 Date:

ria r_ch 19. 1982 Time:

A M-Person Called:

"A "n--

of Wa**4"che"*a (Name)

(C6mpany)

Person Calling:

3-S-

F3"i'""2 of E3"7e"t & rundf (Name)

(Company)

Project:

c14 Project No.

3 W -00 Subject Discussed:

Wa**4*cke""a V-4 "'" m '"ca""

Su=: nary of Discussion, Decisions and Commitments:

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ed Yo, N N ' N Aoptication Pnnted Circuit Construction The Surge Ethstand Test wh caa*t.v. stint Type V4 v0 tage and :ur eat traascucers Ali comecreats are mounted on ceinted cir.

house b 4 SO H: traescace s ai.i r~et is.

cons ert the c.ts.t :f actearia, trans'orme's cu.t boa ds of ;! ass eoomy. This material pos-sed curren! t'aasSrme s t: crecor'ioma: ce sesses great strengthi t decs not suppo-t

1. SWC Test Wave A9 cse"lato v wa.e. t 0 s ;aats The cateut caa te utm:ac c' rect'y ty fu"gus ;*ewtn. et has a hegn res s'aace to to L5W:.2 5 to 3 a KV a'ast s al e :* tr' trst compute's contro; anc cata systems or my damage cue to re-scfdering of parts duneg half-cyrfe pesa cecaveg to SF of the nit,at analog or d@!al instruments.

repair or modification uncer fiefd concit ons. crest vatue m 6 0 mecresec:nes or fo9;e*

The cirewt board is rendity access.b.e wnen Surge generator terme,a; coe:aace 150 The type V4 vo:tage and curreat traasducers the ces er has been removed.

ohms Test waves are accred at tne rate of replace '~e. educt:r**" transcucers which not less than 50 tests ;e* se:ond fer nct less wereintrod :ed tv Westngacuse m 952 to Surge Withstand Ca pability (SWC) than 2 3 seconds.

yie'd hyaer out ut levets ta's, asadacie frem Escer.ence in tne acos. cat'on of soud. state the then, sed taermat :orve'*ers L:ke toe devices to power system contrcl circuits nas

2. Test Procedure: The t assducer is termi.

Te eductor !*e Vid and Pe VE4 tronsducers secwn tae reed for enteg'al surge protection natedinto a resistof a tn a $afue ecual to t?e are a.erage resconding ce..ces Electr.ca; circuitry The ma,or concern has teen m tne manimum rated:oad res>staace TPe cewer power measuremeats a'e made on an rms protection of sohd state protact ve ref ays swooty is caergized tnec@ an.smatrng basis so t e tra stucers are cadrate1 as.

frem ca age or maifuncticn under transant trsasfermer so that th e t'a 9 scucer is m suming a pedect s:ne wave m;wt. for a form sur;e conctions IEEE Star.Jard 4721974 operat.ng conditsen. So ge voitago is tnen r

factor of 111 Ceviat: ens from pure sine

( ANSI CSS S0a 1974) covers the surge test.ng acphed:

wave, result a;' rom harmoa cs or che;;ed of protect Se relays.

i waves wili tesst m :eviatien trom rms out-al Between case and each sc input term:nal put.

In desig9mg the V-4 transducers Westmg-including poacr sucoly.

Nouse was ab'e to draw upon the advanced The lead-independea.t feature ma hes these knowledge of its stat.c relay design and aD-bl Between case and each de output ter.

transduce's pa c.larty suta3fe f:r remote phcation e ;.Feers In so doing it be:ame mmal.

i irstrumeatat 09 servi:e whe e the c;r:uit re.

accarent that !*e relay SWC spec:ficat.on sistaPce ettPe* s w%n:*n c'sut,ect to was not completely ade ;uate as a standard c) Between each ac anput terrnmaland each chaa;e :t :e mits leng. smal-gsuge leads for transcuce's (Peisys terminate in a switch-de output termmal i

between trnascacer and reae:vt mg circuit wNe transducers terminate m a precision amptEer cf muen towercapaceyj d) setween each ac circuit element and every eration k.

i other oc circuit element.

h transducer coesists of an ecaut trans.

The IEEE standard defines the test wave and i

former to p ovide sciaton from tne mess.

locates th e rest points on a resay. Westing-e) Across the oc output.

ured circuit, aad a fun wave d: ode bridge to house has adopted the same test wave but i

rect.fy the ac sigaat The s;gmalis ampof,ed in has de6ced the sophcation points en terms of The trensdxer is considered to have passed i

e "censtaet currect" amchfier to the output a transsucer, matmg certain that art cr'tical the test if it contoues to c:erate normally 6

a tevei of 0 t mA into 0-t 0.000 ohms. There is a areas are tested and that the tests, as per-with no change m cahbrat.on.

e potentieraeter m tne amot Aer circu t to cer.

formed, are vaud.

t mit a range aciustment of.10*..

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F:stures i

Westmghouse is a ma!or sucs er of the ap-i paratus and tse srstems *nich coatrol eiec.

trical ocwe* systems. ' bey are coasecuently.

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especialty krow arc;ea: e of the actual needs in the accesscnes for such systems. This is i

i ref'ected in the design featuras of the V 4

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better ceracemaats tocar e avadacit. Amp-L f bl )

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Amphfier Protective Circuit specifiestione The output amphfier :s or,tected from cam-age due to inacverteatrv ao*ed vostages or Vortage Transducer Current T'ansducer ind.ced swrges on the out:stleads. The amp-Type VE4-841 Ty pe V14-8.t 1 lifier caawithstand t*e apph ation acrossits term nais of a surge e:ur.-a'ent to the WC pf3 9$gy

$4 test. and the sho't tme 'a:ercximatelv 5 Intrinsic Accuracy

+0 5% at 23*C. 60 H:

+0 5% et 23*C,60 N m;nutes) as.pficat on of 120 voirs ac m tne On 0.5%

event of m sermg.

Overload 150V continuous 10A cor.tinuous 100A 1 sec.

Radio Frequency interf erence (RF1)

Full Scaie Output ImA de imA de immunity Output Load 0-t0.000 ohms 010.0C0 ohms The transdwce<s. by t.*e nature ofineir circuit Mamimum mpole W

W design. are not af*ected by strav radio fre-

1. "#Y 'W Frequency 50-70 H 50-70 Ha Amplif;er Power Self.pcwered Self powered i

Current Amprfier loss (Burdenn 2.5VA 1.0VA T'e am;hfier uses the vanation cf the Temperature Range

-2X to + 6X

-20*C to + 5X emitter-fouewer cir:wt commonly k cwa as Temperature inNence

+ W ov er mansum M over manmm a "curreet pump". This conf'gatation anews Tempersture range Temperature the ampi:Cer to to independent o':cas resis-Response Time Less than 400ms Less than 400ms tance. The amphfier is self. powered ifrom the Cancrat4en Adjustment

+ 10 %

+10%

source bemg measurest.

DMectric Test 1500V rms 150CV rms Surge Withstand Capabdity TEEE 4721974 ANSI IEEE 4721974 ANSI Modular Design C33Sa C39Se The case re *esents t*e best coss ble com-We ht prom.se between the requirements of the var-

{g ious mcu iting raethods ncemahy uses:

Shippmg 1 lbs. ($$ kg) 2 ibs. (.9 kgl a

a) Unrstrut: channet.

b) Standard relay rack panels.

c) Standard rack unit mounting stna.

d) Pre dri!!ed channel.

el Pre <! rilled panel.

S frsee met er UNtS**ViCn The basic rnodule for the V-4 transducer line is 3 inches wide and uses the 5% inch vert, cal distance between mounting holes as sug-gested by an IEEE proposee standard. Cur-rent and voltage traesducers are made in half modufes 11% inch) w;th the same 5%

inch mounter g d.mension The horizontal holes are arranges so that any array of trans.

1 ducers can be mounted side.by. side mth pre drilied mounting holes on 1% inch cen-ters. If ract unit mounting stno is used there wit! be s % or % inch scoce between units. A 19-inch rect mit raou-t a futi set of watt. var, vettage ord eurrent'rensducers for a three-phese hne. There is no interection between transducers regardfess of mounteg space.

Terminel Blocks Molded termina' b!ocks with e6-32 sc ews to accept wre sites up to e12 in tugs to %"

width.

_ Repairobility Westinga ouse h as never potted its transduc.

ers. Access bikty for recair or modification P

hee been a feature of Westinghouse trans-(

ducers since 1959. The V 4 transducers con-tinue the tradition of esse of parts rectace-i

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ment. Current and voltage trensoucers utilize 1'

enty discrete components soldered in piece.

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• i Pm, ee.r No. 4 5 % -00

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4 Esternal Wiri"2 and Dimensions in inches (Centimeteral Further information i

Pr:ces:Prge Last 43473 instructices; iw 43-Gt 9 I ',

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