ML042960358: Difference between revisions
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{{#Wiki_filter:From: | {{#Wiki_filter:From: | ||
To: | <DSTRAKA@a Pc.com> | ||
Date: | To: | ||
<atg@nrc.gov> | |||
PtftV fi_,(QOO ' | |||
Date: | |||
6/28/04 2:15PM 0 | |||
0 | |||
==Subject:== | ==Subject:== | ||
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Please pass along to Chuck Paulk, thank you. | Please pass along to Chuck Paulk, thank you. | ||
: Regards, Don Straka Senior Consultant - Regulatory Affairs dstraka@apsc.com phone: 623.393.5041 pager: 602.509.6240 mobile: 602.509.6240 | : Regards, Don Straka Senior Consultant - Regulatory Affairs dstraka@apsc.com phone: 623.393.5041 pager: 602.509.6240 mobile: 602.509.6240 | ||
> | > -- Original Message- | ||
> From: | > From: | ||
> Sent: | Payne, W.Steven (Z99560) | ||
> Sent: | |||
Thursday, June 24, 2004 4:12 PM | |||
> To: Straka, Donald J(Z99942) | > To: Straka, Donald J(Z99942) | ||
> Cc: Steen, Douglas K(Z91197); Radspinner, Mark A(Z76778) | > Cc: Steen, Douglas K(Z91197); Radspinner, Mark A(Z76778) | ||
| Line 39: | Line 46: | ||
> had run 2325 hours (i.e. the diode was energized for 2325 hours). This | > had run 2325 hours (i.e. the diode was energized for 2325 hours). This | ||
> diode is on the installed spare bridge which was just switched to in | > diode is on the installed spare bridge which was just switched to in | ||
> 2R1 1.This diode was energized for only about 75 hours (root cause not | > 2R1 1. This diode was energized for only about 75 hours (root cause not | ||
> determined). | > determined). | ||
> Thanks, | > Thanks, | ||
> Steve Payne | > Steve Payne | ||
> | > DG System Engineer | ||
> telephone - 623-393-5157 | > telephone - 623-393-5157 | ||
> email address - wpayneOl@apsc.com CC: | > email address - wpayneOl@apsc.com CC: | ||
<DKSTEEN@apsc.com>, <MRADSPIN@apsc.com>, | |||
<WPAYNE01 @apsc.com>}} | <WPAYNE01 @apsc.com>}} | ||
Latest revision as of 00:31, 16 January 2025
| ML042960358 | |
| Person / Time | |
|---|---|
| Site: | Palo Verde  |
| Issue date: | 06/28/2004 |
| From: | Straka D Arizona Public Service Co |
| To: | Gody A Operations Branch IV |
| References | |
| FOIA/PA-2004-0307 | |
| Download: ML042960358 (1) | |
Text
From:
<DSTRAKA@a Pc.com>
To:
<atg@nrc.gov>
PtftV fi_,(QOO '
Date:
6/28/04 2:15PM 0
0
Subject:
RE: Unit 2 tripIEDG 2A loss of voltage Tony:
Please pass along to Chuck Paulk, thank you.
- Regards, Don Straka Senior Consultant - Regulatory Affairs dstraka@apsc.com phone: 623.393.5041 pager: 602.509.6240 mobile: 602.509.6240
> -- Original Message-
> From:
Payne, W.Steven (Z99560)
> Sent:
Thursday, June 24, 2004 4:12 PM
> To: Straka, Donald J(Z99942)
> Cc: Steen, Douglas K(Z91197); Radspinner, Mark A(Z76778)
Subject:
Unit 2 trip/EDG 2A loss of voltage
> Don, per my conversation today with Doug Steen and yourself, the
> following is the status of the failed diode that caused EDG 2A to lose
> voltage subsequent to the Unit 2 trip last week.
> Last week, the NRC AIT inspector asked what was the run time of EDG 2A
> (implying what was the hours on the diode). I told him that the diesel
> had run 2325 hours0.0269 days <br />0.646 hours <br />0.00384 weeks <br />8.846625e-4 months <br /> (i.e. the diode was energized for 2325 hours0.0269 days <br />0.646 hours <br />0.00384 weeks <br />8.846625e-4 months <br />). This
> diode is on the installed spare bridge which was just switched to in
> 2R1 1. This diode was energized for only about 75 hours8.680556e-4 days <br />0.0208 hours <br />1.240079e-4 weeks <br />2.85375e-5 months <br /> (root cause not
> determined).
> Thanks,
> Steve Payne
> DG System Engineer
> telephone - 623-393-5157
> email address - wpayneOl@apsc.com CC:
<DKSTEEN@apsc.com>, <MRADSPIN@apsc.com>,
<WPAYNE01 @apsc.com>