ML18044A357

From kanterella
Jump to navigation Jump to search
Responds to IE Bulletin 79-23 Re Failure of Emergency Diesel Generator Field Exciter Transformer.No Connections Between Neutral of Generator & Neutral of Excitation Power Transformer.Plans Full Load Test of Both Emergency Diesels
ML18044A357
Person / Time
Site: Palisades Entergy icon.png
Issue date: 11/05/1979
From: Hoffman D
CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To: James Keppler
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
References
IEB-79-23, NUDOCS 7912200678
Download: ML18044A357 (2)


Text

Geriera1 Offices: :::!12 West M1chrgan Av~nu~..;ackson, Mic~igan...:g2c1

  • Area Cooe 517 788-0550

!Ioven.ber 5, 1979 1*1r James G Keppler Office of Inspection and ~nforcement Region III us Ifoclear :i.egulatory Corn.mission 799 noosevelt 2oad

  • ~2.en :.::1:.y*n, J...:...i 60137

.20CE':' 50-255 -

LI:::::s:~s::: DFR-2C -

?_~I..~Sft-DES ~?'L..;..:JT -

J::Z 3T-7LI..2'IIil 79-23

?07:::l;l::.A.~ :u::ss::!~ G:=::rsF.ATOn

~\\CI':'Z?l F_4.I~L7.E

=:iulletin 79-2~ ia'Ced Sep-r.eober l2, 1979 rec:_:;.ired action c;o -oe :;aken by
  • .=:cr..su.":lers ?owe!' Company.

~esponse to the bulle'tin :~or the ralisaC.es ?:'._2.r.c; is as follows:

le.em

";Jeter:::.ine whet'he:::- er no-;:; connect:'..ons have been maG.e -oetween low h--;_:.._ :::-a-cec!.

-3.nsfor::iers ar.d. ni;i "::::'i)._ rated. ~DGs without adec:.uate limitations or: t:'1e f.:..oi:~-

02'"'

ci~cui.ating cu=~en~s. If a:r::p2.icable, provide a desc:-ip"tion of the 2':)rre:!tiYe action being ta}:en to a-idress thi.3 :problem."

?or the ?a.lisaC.es ?lan-c eme!"ge!lc:.r diese2. geners.tors, -::J.e::.:= are r:c c*Jrl11ec~:.~::~

  • Jetween ~::1e net.l"'Cl 1 a.l o: ~i:.e 6ene.ra~or a.nG. t.!1e neut~s.l of t~1e :::r=-.:iar~:--
  • rtin.:.i.:....:J.~

o:' c;ne excitation power transfor::ier.

"?rovicie a schedule for the completior. of a sustained. f-..L.l-load operaL.ion test of tne EDGs for a du~ation of not less than 24 ~ours, or prcviie the resulL.s o~ t~e similar long d;.a-ation,

~u.l~-load vcSv Nhi2n rras alreaQy ~een corrr;ileted on tne ~DGs installed c.t your facili tj,-.

71:e tes-c sb..o:.:.lQ :ie!IlonsL.r:;.t:c fu.l.:-lcc.J. cs:--~:ri::~ ~:?...:;;a.b2.li "":iy !'c:ir an int.~r-val o:""'

~ct less than 2L!. i1cu::

1 s, :Jr."'

which 22 l~:)"J..!'S

  • si:o-..ilU be s.-s a load. equi"'/alen~ L.o i:.Cle 2onL.in"'..1..JUS rs::.:.:ie; c:""'

t.~:e diese.:L gene!.. atc!' and 2 !!curs at a 2.oa.d ef!_ui*Ia.2.ent tu the 2 =:our ra~ing o:"'

~~e iiesel generatcr.

~e~u.irenen.t~ ace :iaint.ai1:i.ed a:J.d t.::.a~ t:~e :00:..:.r.:.5 sys"t.e!!l l... *~::.ct.ions *within

  • .esL;n li:i.i ts."

fiO f[

~

NOV 13 1979 7912200 bZJ>

2 Resnonse A full-load test of both emergency diesels will be conducted prior to the completion of the next refueling outage.

For purposes of this tes-c, full load will be defined as the maximum kW or kVA rating of the generator, which-ever is reaci1ed first.

It should be no-ced tnat the Palisades Plant Technical Specifications do not allow the loading of the diesel generators beyond the continuous full-load rating (2500 kW).

Uavi.3. ? Hof:'~an Assistant :ruclear Licensing Administrator CC Director, Office of Nuclear Reactor Regulation Director, Office of Inspection and Enforcement