ENS 45617: Difference between revisions
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| event date = 01/09/2010 10:28 CST | | event date = 01/09/2010 10:28 CST | ||
| last update date = 01/09/2010 | | last update date = 01/09/2010 | ||
| title = Automatic Reactor Trip Due | | title = Automatic Reactor Trip Due to Turbine Trip on Sudden Pressure in Output Transformer | ||
| event text = At 1028 CST on the 9th of January, Unit 1 tripped due to turbine trip greater than 50% reactor power. The turbine trip was caused by a sudden pressure fault of the Unit 1 main generator output transformer (1MT1). | | event text = At 1028 CST on the 9th of January, Unit 1 tripped due to turbine trip greater than 50% reactor power. The turbine trip was caused by a sudden pressure fault of the Unit 1 main generator output transformer (1MT1). | ||
All systems operated as designed. All three auxiliary feedwater pumps auto-started as required. There were no complications noted on the reactor trip. | All systems operated as designed. All three auxiliary feedwater pumps auto-started as required. There were no complications noted on the reactor trip. | ||
Latest revision as of 21:10, 1 March 2018
| Where | |
|---|---|
Comanche Peak  Texas (NRC Region 4) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(iv)(B), RPS Actuation 10 CFR 50.72(b)(3)(iv)(A), System Actuation | |
| Time - Person (Reporting Time:+-4.23 h-0.176 days <br />-0.0252 weeks <br />-0.00579 months <br />) | |
| Opened: | Ed Lessmann 12:14 Jan 9, 2010 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Jan 9, 2010 |
| 45617 - NRC Website
| |
Comanche Peak with 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation | |