ENS Event | |
|---|---|
21:09 Oct 12, 2005 | |
| Title | Partial Loss of Plant Process Computer |
| Event Description | Portions of the Palisades Plant Process Computer (PPC) including the Emergency Response Data System (ERDS) became inoperable due to failure of a plant inverter (EY-210). The failed inverter supplies power to portions of the PPC. The inverter failed for unknown reasons. Options for bypassing the inverter and inverter repairs are being evaluated.
The licensee notified the NRC Resident Inspector.
At 0500 the Palisades Plant Process Computer (PPC) including ERDS was declared operable after bypassing plant inverter EY-210 per plant procedure and restoring power to equipment. The licensee notified the NRC Resident Inspector. |
| Where | |
|---|---|
Palisades  Michigan (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness | |
| Time - Person (Reporting Time:+0.77 h0.0321 days <br />0.00458 weeks <br />0.00105 months <br />) | |
| Opened: | George Sleeper 21:55 Oct 12, 2005 |
| NRC Officer: | Bill Huffman |
| Last Updated: | Oct 13, 2005 |
| 42053 - NRC Website
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Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 565012023-05-02T19:00:0002 May 2023 19:00:00
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