ML17207A647: Difference between revisions
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| issue date = 11/13/1979 | | issue date = 11/13/1979 | ||
| title = Responds to IE Bulletin 79-23.Failure of Emergency Diesel Generator Field Exciter Transformer Precluded by Absence of Direct Circuit Between Transformer & Generator Neutral.Fsar Re Preoperational Testing Scheduled for Mar 1980 | | title = Responds to IE Bulletin 79-23.Failure of Emergency Diesel Generator Field Exciter Transformer Precluded by Absence of Direct Circuit Between Transformer & Generator Neutral.Fsar Re Preoperational Testing Scheduled for Mar 1980 | ||
| author name = | | author name = Uhrig R | ||
| author affiliation = FLORIDA POWER & LIGHT CO. | | author affiliation = FLORIDA POWER & LIGHT CO. | ||
| addressee name = | | addressee name = Oreilly J | ||
| addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) | | addressee affiliation = NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) | ||
| docket = 05000389 | | docket = 05000389 | ||
| Line 16: | Line 16: | ||
=Text= | =Text= | ||
{{#Wiki_filter: | {{#Wiki_filter:I I | ||
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FLORIDA POWER 8 LIGHTCOMPANY November 13, 1979 Mr. James P. O'Reilly, Director, Region II Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303 | |||
== | ==Dear Mr. O'Reilly:== | ||
go 4PP Re: | |||
RII:JPO Docket No. 50-389 IE Bulletin 79-23 FPL has reviewed the events described in IE Bulletin 79-23, Potential Fail.ure of Emergency Diesel Generator Field Exciter Transformer. | |||
The following information is submitted in response to Items 1 and 2 of the subject Bulletin: | |||
1.) | |||
There is no direct circuit between the primary winding of the excitation power transformer and the generator neutral. | |||
The generator neutral is grounded through a | |||
25 KVA, 4160/240 V transformer and 1.4 ohms resistor. | |||
The excitation power | |||
. transformer is not grounded. | |||
2.) | |||
Preoperational testing of the diesel generators will be discussed in the St. Lucie Unit 2 FSAR, Section 14.2, which is scheduled for tendering in March 1980. | |||
'ery truly yours, E. Uhrig Vice President Advanced Systems | |||
& Technology REU/MV/ah yg],8140Kb 7 T CQp'P. | |||
PEOPLE... SERVING PEOPLE}} | |||
Latest revision as of 17:24, 8 January 2025
| ML17207A647 | |
| Person / Time | |
|---|---|
| Site: | Saint Lucie  |
| Issue date: | 11/13/1979 |
| From: | Robert E. Uhrig FLORIDA POWER & LIGHT CO. |
| To: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| References | |
| IEB-79-23, NUDOCS 7912140527 | |
| Download: ML17207A647 (1) | |
Text
I I
1 I 1 fl g
Ii \\
~
FLORIDA POWER 8 LIGHTCOMPANY November 13, 1979 Mr. James P. O'Reilly, Director, Region II Office of Inspection and Enforcement U. S. Nuclear Regulatory Commission 101 Marietta Street, Suite 3100 Atlanta, Georgia 30303
Dear Mr. O'Reilly:
go 4PP Re:
RII:JPO Docket No. 50-389 IE Bulletin 79-23 FPL has reviewed the events described in IE Bulletin 79-23, Potential Fail.ure of Emergency Diesel Generator Field Exciter Transformer.
The following information is submitted in response to Items 1 and 2 of the subject Bulletin:
1.)
There is no direct circuit between the primary winding of the excitation power transformer and the generator neutral.
The generator neutral is grounded through a
25 KVA, 4160/240 V transformer and 1.4 ohms resistor.
The excitation power
. transformer is not grounded.
2.)
Preoperational testing of the diesel generators will be discussed in the St. Lucie Unit 2 FSAR, Section 14.2, which is scheduled for tendering in March 1980.
'ery truly yours, E. Uhrig Vice President Advanced Systems
& Technology REU/MV/ah yg],8140Kb 7 T CQp'P.
PEOPLE... SERVING PEOPLE