ML20082B892

Proposed Tech Specs Page 55 Re Loss of Voltage Relay Setting Limits

ML20082B892
Person / Time
Site:	Cooper
Issue date:	07/10/1991
From:	NEBRASKA PUBLIC POWER DISTRICT
To:
Shared Package
ML20082B887	List: ML20082B884 ML20082B892 NLS9100446, Application for Amend to License DPR-46,consisting of Proposed Change 98,changing Tech Specspage 55 Re Voltage Relay Setting Limits
References
NUDOCS 9107170118
Download: ML20082B892 (1)

Text

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I 4

4 COOPER NUCLEAR STATION TABLE 3.2.B (Page 3)

PESIDUAL llEAT REMOVAL SYSTEM (LPCI MODE) CIRCUlTRY REQUIREMENTS

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Minimum Number of Action Required k' hen.

Instrument Operable Components epanent Operability Instrument I.D. No.

Settine Limit Per Trio' System'(1)

Is Not Assured 3

RilR Pump Low Flow FaK '?? ~125 A'& B 22500 gpm" 1

A Time Delays Rh>

d7-V45.-1A&lB 4.25sTs5.75 min.

1 A

RilR Pump Start.

R11R ~had.73A 6 770B -

4.5sTs5.5 Sec.

1 A

Time Delay

.'?N e'c QF-ruiB i K70A' s.5 sec.

1 A

RilR-IDdJ'39, A & E-1.8sTs2.2 min.

1 B

RilR lleat Exchanger r

Bypass T.D.

RilR Crosstle Valve RllR-(!!5-8 Valve Not closed (3)

E Position I

h Bus 1A Low Volt.

27 X 3/1A Loss of Voltage 1

B

. i Aux. Relay f

Bus IB Iow Volt.

27 X 3/1B Loss of Voltage 1

B Aux. Relay Bus IF Low Volt.

27 X 1/1F Loss of Voltage 1

B Aux. Relays.

27 X 2/1F Loss of Voltage 1

B gg Bus 1G Low Volt.

27 X 1/1G Loss of toltage 1

B Q

Aux. Relays 27 X 2/1G Loss of Voltage 4

DN QO Pump Discharge Line CH-PS-266 25 psig (3)

D 1

?g.

CM-PS-270 215 psig (3)

D 4

xo:e t

cro Emergency Buses 27/1F-2, 27/1FA-2 3880V iS2V 2

B t

$3 Undervoltage Relays 27/1G-2, 27/1CB-2 7.5 second i.8 sec.

2 B

~

y@j (degraded voltage) time delay 1

B m yo e

r 5bo Emergency. Buses Loss 27/1F-1, 27/1FA-1, 2300v 15%

of Voltage Relays 27/1G-1, 27/1GG-1, 0.0 sTs 5.0 sec.

I 27/ET-1, 27/ET-2 T - Time D.nlay 1

B Emergency Buses Under-27X7/1F, 27X7/1C, Voltage Relays Timers 5 second

.5 sec.

1-B

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