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 g

• 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 ****

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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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