ML20137M175

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Rev 0 to Cable Separation Associated W/Diesel Generators Var Transducers
ML20137M175
Person / Time
Site: Clinton Constellation icon.png
Issue date: 05/19/1982
From:
SARGENT & LUNDY, INC.
To:
Shared Package
ML20137M160 List:
References
19BD-2, 19BD-2-R, 19BD-2-R00, NUDOCS 8601280207
Download: ML20137M175 (7)
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Date: March 18, 1982 Time: A M-Person Called: el nor- of 11a e +- i n n h n n e a (Name) (Company)

Person Calling: 3- S. Paniaguas of savnent s tundf (Name) (Company)

Project: clin *cn Project No.- 4 W -00 Subject Discussed: Wae*4 7hnnan t'- 4 *-'n aa nco rs Summary of Discussion, Decisions and Commitments:

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Apphcation Pfug 4n integra ted Circuits Temperature st.b.ht y Type V-4 watt and var transducers convert All ampatiers and multi,2hers are IC's for con- Low temperature couthc.cnt res.stors and current and woitage input s.gnass from a sistency m performance witn plug-m rncunt- :ener diodes are used to obte.n a low t6mp-power system into oc output signeis propor- ing for convenience in servicing. erature influence witnous resort.ng to the tional to the true power or tra reactswe power resistor thermistor comnensat on scnemes on that system. Cutput pc.arity changes with ConvertitHe Power Supply which were nevoed on the Had generaior direction of power flow. The outputs can be Jumpers are suopued on the termanas block eransqucers Good temp.etature performance ut 44cd by computers contros and cata sys- of exh transoucer to connect the power sup- is des.gned in. and not compen2ateo in .

tams or t:y ana4og or dig, tai .nstruments. pay source to the measured potent.as tians-former circuit. Witn jumpers remowsd ina Ad,usunents ,

The wa : transducers ase icentified as tv pe tran=oucer may te operated trom a seuarate Mooets are awuaao:e w.tn both a 210*. and a VP4 646 and tne var transcucers as type control power source. Tnus, only one =tvie O- 11o*. output adgustment cacacihty Be-VV4 646 transducer need be used to serve Sotn func- cause of the grade uf Jmc6 f.es used it has not t.onai requiremcnts. been neccessary to 6.cnit tne adnistrnent range Operation . en oroet to mamt.on a reasonat:,se accuracy at These transducers empiev tne time-division Amphf'er Protective Circuit i the low end. The cahtrat.on contros is a multipiscabon pr.nopie. The measunng car- The output ampuber is protectec frcm dam- 20-turn potenhometer accessibie from the cuitry generate 1 a tra.n of puises whose age due ta inadvertently applied vo tages or top of the case Any element tr mmitv3 and heignt is orsport.onai to c rrent and wnose induced surges on the output leaos. The amp- pnaso sn.tting adiustments ate accccsicle isnctn is proscrticnal to voltage. Tne area ce bl.er can witnstand tne apphcanon . cross its trom tne outside of the case. Tnese are bench each puise is proportional to !ne power flow terminais of a surge equivalent to the SWC type ad,ustments. These trimmers are acces-ing within tne ouration of each puise. There test. and the snort time (approximately 5 sibie from ine top in watt tiar.sduces s an.d tne are many puisas per cyc:e. Integratirig these minutes) apphcation of 120 volts ac m the bottorn rn v ar transcucurs. Inastuucn as the pulses, therefore vields a rate or flow of event of miswirmg. mulupuer circuit has a relativeiy Ngn output.

power. The circuitty presents tnis in tne forni no zero adjustment is ever necerssary. This is of a proportionas de sgnas. Radiofrequency By-Pass in conerast to tne Hail type an.cn does rersuite Eacn transduces conta.ns by-pass circuitry to a zero adioster becausa tne now output of the The signalis passeo tnrougn an ament.er te give the cevice a relatively high anmunity to Hall circuitry necess.tates a nign-gain amp-r %ert it to a load independent (constant- racio frequency mterterence (fdi). lif.er.

it) output. . [

Modular Design Surge Withst and Capao.ht y (SWC) $-

Vcr transducers are similar to the natt tran:.- The case represents the best poss.ble com. Experience in the appacation of scho-state aucers except that tno octentials are snittec promise between the requirements of tne war. devices to power system contro4 circuits has 93* by means of an internas R C : etworn. ious mount ng metnoas notmah used. shown tne need for integral sus ye protection .

cirewsry The maior concern nas been in ths Features al Unistrut crannel. protecznon of sohd state protect ve relays Westingho.se is a maiorsupplier of the ap- b) Standard reiay rscit panels. from damage or malfunction under transient paratus and tne systerr.s wnicn controe elec- c) Standard ran unit mounting strip. surge cond,tions. Reta y eng. nee.s nave trical power systems. They are consecuently. d) Pre-drn:ed channes. adopted SV.C specd. canon m iEEE Standard especiaity knowiec;eac;e of the actual needs op Pre <ritied panet. 472 1914 (ANSI C37.90a.1974) in the accessories for sucn sistems.

The basic moduie is 1% inches wide and uses in desegnmg the V-4 tran scucers West.ng-Tim e-Division Multiplier 5% inch vertical d. stance between mounting house was abse to draw upon ene snowiedge This circuitry empicys complementary MOS hoies as suggested cy an IEEE proposed of its 58.atic relay design and appocanon en-digitalintegrated circuits for superior accu- standard. Watt and Var transducers are made gineers in so doing it became apparent that racy. hneanry and stabihty. in modules (3 inches) with the saine 5% inen the renay SWC specification was not com.

mounting dimens ort The norizontal nules pletely adequate as a standard for trancduc-Pnnted Circuit Construction are arranged so tnat any array of transducers ers. Resavs termmate m a swiichmg circu t All components are mounted on printec c:r- can be mounted side by side won pre <ri%d while transducers termmate m a ute.*tmon c.u.1 toards of a stems eponv. This materias mountmg notes on s'. inch conters. it roca .mpot.ar or mucn iceer c4p..ily rios., s possesses great strengtn. : does not succort unit mountmg strip is used there will be a % canrwa tolerate a transient wnmn wuvid fungus growin; it nas a nign resistance to or t's incn space cetween units. A 19 men rack causo a false trip while a trariscucer outcut damage due to a re-soidermg of parts during will mount a fuit set of watt, var. voltage and may tam rnomentarity affetrod so sung as the repair or modification under field conditions current transduccrs for a inroe-pnu.e one unn is not damaged.

Aa circuit boards are access.oie for repair isee Page 1). There is no mteraction bet *een Tais is especially imponant in tne cass of the transducers regard! ass of rnounting spaca. The IEEE standard defmes the test wave end ponur supply and amphf.er board wnich is locates the te2t peints on a relay, Vmtmg-esposed to enterna6ty-caused damage f rorn D News-wN5raurconP house has adopted tt e same test wave but accidental misconnection to sources ceyon j has defmed the appocat.on po.r.ts in terms of the lewel of the innerent protective circuitry Termmal Block s a tiansducer, maainq certam nr.. oil crioca6 Mo6ded terminal tions witn s8 32 screws to areas are tested and tnat the ichts. as per-accept wu e sites up to e 12 m lugs to % formud, are v adid.

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house V-4. 60 Ha transoucers wns inust :s.

1. SWC Test Wave: An opea i.itu..t osciliat-ory wave.10 to 15 YH4. ? 5 to 3 0 KV ciest vah.o of the t.: 5: na f c ri.e m..iu . i. t ,mg tu 50% of use inii..i crva v.Jos m u.0 in.uu-sJcGedc Or longur. SurWe gt.nc% tor tertnmal L
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