ML20199M036

Proposed Tech Spec Changes Re Surveillance Requirements for Time Delay Feature of Undervoltage Protective Device for Reactor Protection Sys Alternate Power Supply

ML20199M036
Person / Time
Site:	Peach Bottom
Issue date:	06/27/1986
From:	PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20199L985	List: ML20199L982 ML20199M008 ML20199M036
References
NUDOCS 8607100087
Download: ML20199M036 (1)

Text

y -

PBAPS LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REQUIREMENTS

'2** One trip train

• of the RPS 2** The following RPS alternate alternate power supply may power supply protective be in the bypassed or devices shall be functionally inoperative condition for tested at least once every six a period of 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />. If this - months and calibrated once condition cannot be satisfied, each refueling outage.

or if both trip trains are -

inoperative, the RPS bus shall be transferred to the RPS MG Acceptable set or de-energized within Device Setting 30 minutes.

Undervoltage 113 + 2 Volts Overvoltage Underfrequency 131 l 2 Volts 57 Hz + .2 Hz Undervoltage Time Delay Max. 4 seconds I

A trip train consists of one breaker, one undervoltage relay, one '

overvoltage relay, cne underfrequency relay, one time delay relay (MG set only), and the associated logic.

• • Effective upon installation of the protective trip devices.

8607100087 860630 PDR ADOCK 05000277 P PDR. -36a-l'