ENS 52932: Difference between revisions
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| event date = 08/28/2017 08:37 EDT | | event date = 08/28/2017 08:37 EDT | ||
| last update date = 08/28/2017 | | last update date = 08/28/2017 | ||
| title = Automatic Reactor Trip | | title = Automatic Reactor Trip on Turbine Trip | ||
| event text = On 8/28/2017 at 0837 [EDT], VC Summer Nuclear Station automatically tripped due to a turbine trip. The turbine trip was caused by the Main Generator Differential Lockout due to a fault on the center phase lightning arrester on the Main Transformer (XTF-001). | | event text = On 8/28/2017 at 0837 [EDT], VC Summer Nuclear Station automatically tripped due to a turbine trip. The turbine trip was caused by the Main Generator Differential Lockout due to a fault on the center phase lightning arrester on the Main Transformer (XTF-001). | ||
There were no complications with the trip. All control rods fully inserted. Balance of Plant (BOP) buses automatically transferred to their alternate power source XTF 31/32. All Emergency Feedwater pumps started as required. All systems responded as required. The plant is stable in Mode 3. Station personnel are investigating the cause of the fault on the main transformer lightning arrester. | There were no complications with the trip. All control rods fully inserted. Balance of Plant (BOP) buses automatically transferred to their alternate power source XTF 31/32. All Emergency Feedwater pumps started as required. All systems responded as required. The plant is stable in Mode 3. Station personnel are investigating the cause of the fault on the main transformer lightning arrester. | ||
Latest revision as of 20:42, 1 March 2018
| Where | |
|---|---|
Summer  South Carolina (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:+-1.7 h-0.0708 days <br />-0.0101 weeks <br />-0.00233 months <br />) | |
| Opened: | Hank Kirkland 10:55 Aug 28, 2017 |
| NRC Officer: | Steve Sandin |
| Last Updated: | Aug 28, 2017 |
| 52932 - NRC Website
| |
Summer with 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation | |