ML19337A621

Tech Spec Change for Item 7 of Table 15.3.5-1 & Item 3a of Table 15.3.5-3 Re Time & Trip Delay Settings for Undervoltage Protection Sys

ML19337A621
Person / Time
Site:	Point Beach
Issue date:	09/22/1980
From:	WISCONSIN ELECTRIC POWER CO.
To:
Shared Package
ML19337A619	List: ML19337A618 ML19337A621
References
TAC-12955, TAC-12956, NUDOCS 8009290342
Download: ML19337A621 (2)

Text

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O TABLE 15.3.5-3 10 ENGINEERED SAFETY FEATUPE ACTUATION.iYSTEM INSTRUMENTATION O

1 2

3 4

5 OPERATOR ACTION NO. OF MIN.

MIN.

PERMISSIBLE IF CONDITIONS OF NO. OF OIANNEIS OPERABLE DEGREE OF BYPASS COLUMN 3 OR S NO.

FUNCTIONAL UNIT CIIANNEIS TO TRIP CIIANNEIS REDUNDANCY CONDITIONS CANN(yr DE MET 1.

SAFETY INJECTION a.

Manual 2

1 1

1 Ilot Shutdown * *

• b.

Iligh Containment Pressure 3

2 2

1 Ilot Shutdown ***

c.

Steam Generator Low Steam Primary Pressure is Pressure / Loop 3

2 2

1 Less than 1800 psig Hot Shutdown ***

d.

Pressurizer Low Pressure Primary Pressure is and Low Level 3*

1*

1*

2 Less than 1800 psig Hot Shutdown ***

2.

CONTAINMENT SPRAY P

a.

Manual 2

2 2

Ilot Shutdown ***

b.

Ili-Ili Containment Pressure 2 sets 2 of 3 2 per 1/ set Ilot Shutdown * * *

(Containment Spray) of 3 in each set set 3.

SAFETY REIATED ELECTRICAL BUSTS a.

Degraded Voltage (4.16KV) 3/ Bus 2/ Bus 2/ Bus 1/ Bus I

l t

. _.. _. _ _ _... _= _

TABIE 15.3.5-1 (00NrINUID)

NO.

FUNCTIONAL UNIT OIM2EL SETTING LIMIT 7

Degraded Voltage (4.16KV)

Disconnection of affectal

> 3675 volts 12%

bus from offsite pcwer Time delay: 13.6 sec.15% at 0-95%

of voltage setting 8

Ioss of Voltage a.

4.16 KV Disconnection of affected a.

2450 volts +3%

bus from offsite power Time delay:~0.3 sec.15% at 0 volts start Diesel 1.2 sec.15% at 90% of voltage setting b.

480V Ioad Sinkling b.

256 volts +3%

Time delayT 0.75 sec. +5% at 0 volts 3.5 sec. +5% at 90% of voltage setting i

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