05000461/LER-1998-032, Forwards LER 98-032-00 Re Excessive Voltage Drop in Control Circuit for Division 3 Diesel Output Circuit Breaker. Commitments Made by Util,Listed

From kanterella
Jump to navigation Jump to search
Forwards LER 98-032-00 Re Excessive Voltage Drop in Control Circuit for Division 3 Diesel Output Circuit Breaker. Commitments Made by Util,Listed
ML20154C631
Person / Time
Site: Clinton Constellation icon.png
Issue date: 10/01/1998
From: Walter MacFarland
ILLINOIS POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20154C635 List:
References
U-603090, NUDOCS 9810060349
Download: ML20154C631 (1)


LER-2098-032, Forwards LER 98-032-00 Re Excessive Voltage Drop in Control Circuit for Division 3 Diesel Output Circuit Breaker. Commitments Made by Util,Listed
Event date:
Report date:
4612098032R00 - NRC Website

text

e f o Illinois Power Company Clinton Power Station P.O Box 678 Clinton. IL 61727 Tel 217 935-5623 Fax 217 935-4632 Walter G. MacFarland IV

  • Senior Vice President and Chief Nuclear 0%cer POWER Ecis' An IHinova Company October 1, 1998 Docket No. 50-461 10CFR50.73 Document Control Desk Nuclear Regulatory Commission Washington, D.C. 20555

Subject:

Clinton Power Station - Unit 1 Licensee Event Report No. 1998-032-00

Dear Madam or Sir:

Enclosed is Licensee Event Report (LER) No. 1998-032-00: Excessive Voltage Drop in the Control Circuit for the Division 3 Diesel Output Circuit Breaker Results in the Plant Being Outside Design Basis. This report is being submitted in accordance with the requirements of 10CFR50.73.

The enclosed report contains the following commitments:

. The reference to calculation 19-AJ-19 will be removed from calculation 19-D-27 at its next revision.

  • A design change will be prepared to reduce the overall resistance of the control circuit to an acceptable level.

Sincerely yours, cch W Walter G. MacFarland, IV 9910060349 991001 Senior Vice President and PDR ADOCK 05000461 ChiefNuclear Oflicer S PDR RAF/krk Enclosure

&r h yll cc: NRC Clinton Licensing Project Manager NRC Resident Office, V-690

.r,n Acting Regional Administrator, Region III, USNRC

,u ?_ L. ; O Illinois Department of Nuclear Safety INPO Records Center