ML20024D196

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Proposed Tech Spec Table 3.7-1 Re Voltage Protection Sys Relay Trip Values
ML20024D196
Person / Time
Site: Rancho Seco
Issue date: 07/26/1983
From:
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML20024D190 List:
References
TAC-52047, NUDOCS 8308030288
Download: ML20024D196 (1)


Text

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PROPOSED TECHNICAL SPECIFICATION TABLE 3.7-1 VOLTAGE PROTECTION SYSTEM RELAY TRIP VALUES i

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EQUIVALENT 4160 BUS VOLTS TIME DELAY UNDERVOLTAGF. RELAYS (VOLTS)

(SECONDS) NOTE 2 Trip Set Paint 3771 38 (Note 1) t 98% of set point 3695 4.3 - 11.0 i

83% of set point 3120 (75% of 4160) 2.0 - 4.4 0% of set point 0

0.5 - 2.0 EQUIVALENT 4160 BUS VOLTS TIME DELAY OVERVOLTAGE RELAYS (VOLTS)

(SECONDS) NOTE 2 Trip Set Point 4580 146 102% of set point 4672 6.5 - 8.0 120% of set point 5500 6.5 - 8.0 140% of set point 6412 6.5 - 8.0 NOTE 1 - The relay voltage values shown have been converted by the PT ratio l

(40:1) for review convenience.

NOTE 2 - For bus tripping an additional 0.5 time delay must be added.

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