ENS 52395: Difference between revisions
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| event date = 11/27/2016 00:26 CST | | event date = 11/27/2016 00:26 CST | ||
| last update date = 11/27/2016 | | last update date = 11/27/2016 | ||
| title = Manual Reactor Trip | | title = Manual Reactor Trip with Automatic Auxiliary Feedwater System Actuation Due to Voltage Oscillations | ||
| event text = At 0026 [CST] on November 27, 2016, Farley Unit 1 was manually tripped from 100% reactor power due to voltage swings suspected to be caused by the Auto Voltage Regulator. All control rods fully inserted and Auxiliary Feedwater (AFW) auto-started as expected. | | event text = At 0026 [CST] on November 27, 2016, Farley Unit 1 was manually tripped from 100% reactor power due to voltage swings suspected to be caused by the Auto Voltage Regulator. All control rods fully inserted and Auxiliary Feedwater (AFW) auto-started as expected. | ||
All systems responded as expected. The plant is currently stable in Mode 3 (Hot Standby). The cause of the main generator voltage oscillations is under investigation. | All systems responded as expected. The plant is currently stable in Mode 3 (Hot Standby). The cause of the main generator voltage oscillations is under investigation. | ||
Latest revision as of 20:43, 1 March 2018
| Where | |
|---|---|
Farley  Alabama (NRC Region 2) | |
| 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:+-3.3 h-0.138 days <br />-0.0196 weeks <br />-0.00452 months <br />) | |
| Opened: | Blake Mitchell 03:08 Nov 27, 2016 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Nov 27, 2016 |
| 52395 - NRC Website
| |
Farley with 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation | |