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Proposed Tech Specs Reflecting Changes Resulting from Resolution of Single Failure Susceptibilities of 4160-volt Electrical Distribution Sys & Safeguards Load Sequencing Sys & Requiring Resolution Prior to Cycle 12
	ML13331A535
Person / Time
Site:	San Onofre
Issue date:	01/31/1991
From:	; SOUTHERN CALIFORNIA EDISON CO.
To:	;
Shared Package
ML13331A533	List: ML13331A531; ML13331A534; ML13331A535;
References
	NUDOCS 9102040279
	Download: ML13331A535 (1)
	v • d • e

FIGURE 3.5.1-1 4 KV BUSES 1C & 2.C UNDER-VOLTAGE TRIP SETTING LOSS OF BUS VOLTAGE ( CV-7) 100 12870 VOLTS (See note 3)

~10 0I III A.2870 VOLTS 00 13.1 SEONDS 4160 VOLTS TO 0 VOLT 1.0 SECOND 1

1600 2000 2400 2800 3200 3600 9102040279 9101:31 BUS VOLTAGE PDR ADOCK 05000206 P

PDR Notes: 1. Trip voltage tolerance: +/- 3 %

2. Trip time tolerance: +/- 10 %

3. Range for accurate relay operation: < 90 % of the tap voltage SAN ONOFRE -

UNIT 1 3.5-8 AMENDMENT NO:

ML13331A535