ENS 42074

v t e ENS Event
03:00 Oct 25, 2005
Title	Inoperable Start-Up Transformers; High Switchyard Voltage Due to Hurricane Wilma
Event Description	At 2300 on October 24, 2005, both unit 3 and unit 4 start up transformers were declared inoperable and Tech Spec 3.8.1.1.e action statements were entered. With both units being energized from their respective start-up transformers, the high voltage limit is 241.5kV in accordance with 0-ONOP-004.6, Degraded Switchyard Voltage. System Operations reported switchyard voltage at 243.5 kV and 242.5 kV for unit 3 and unit 4 respectfully. System Operations was requested to lower switchyard voltage to within limits. At 0015 on October 25, 2005, switchyard voltage being lowered to within the switchyard limits and both start-up transformers were declared operable. The high switchyard voltage is due to hurricane Wilma's impact on the Florida service area that has [led] to low system load with cooler weather conditions. The NRC Resident Inspector has been notified.

ENS 42074 +/-
Where
Turkey Point Florida (NRC Region 2)
Reporting

Other Unspec Reqmnt
Time - Person (Reporting Time:+-0.73 h-0.0304 days <br />-0.00435 weeks <br />-9.99954e-4 months <br />)
Opened:	Michael Murphy 02:16 Oct 25, 2005
NRC Officer:	Joe O'Hara
Last Updated:	Oct 25, 2005
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v • d • e

v t e Emergency Notification System
Turkey Point with Other Unspec Reqmnt
WEEKMONTHYEAR2017-06-06T21:51:00 [Table view]
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