mvsg & lvsg work instruction manual.xlsx
TRANSCRIPT
MANUAL TITLE: EFFECTIVITY DATE:DOCUMENT CODE:
January 28,2015
REVISION NO. 0 PAGE 1 of 2
PREPARED : CHECKED : APPROVED:
ENGR. RENDLE RAI S. CUA ARIEL C. SECRETARIA YOSHIO SUZUKIElectrical Supervisor Maintenance Manager Plant Manager
Reset the LVSG with proper and safety procedure.
3. Instruction Detail
Process Flow Specific Activity Picture
The Electrical personnel will go toElectrical Room 1st floor to confirm the LVSG trip. If confirm the trip, announce the situation. Inform to direct superior the trip.
Electrical will communicate to Control Room for latest any electrical leak .If DCS confirmed alarm detected on light and heavy leak on LVSG.
Elecrical should open the breaker contact ofthe known equipment or the source of the electrical leak. work will be accomplished in safely manner.
Open/ de-energized first all feeders:Finger Point and Call " YOSHI"MCC1, MCC2, MCC3, MCC4, MCC5, INV-1, INV-2, INV-3, INV-4, QUANTITATIVE FEEDER INVERTER, 220 DP.Also Confirm positive incoming Voltage received from MVSG.
Make Inspection: IF CLEARFinger Point and Call " YOSHI"Announce to control room:Reset Earth leak Relay ( ELR )
WORK INSTRUCTION
MANUAL
SECTION TITLE : General Procedures
1. Work Instruction Manual : LOW VOLTAGE SWITCHGEAR (LVSG ) TRIPPED OFF
2. Objective: Maintenance Procedure if VSLC Electrical Room LVSG will experience trip.
PersonResponsible
Any Electrical Personnel
Electrical Foreman on duty
Any Electrical Personnel
Any Electrical Personnel
Any Electrical Personnel
CONFIRM AT ELECTRICAL ROOM THE TRIP INDICATION LAMP AT LVSG
KNOW THE LATEST HISTORY OR ALARM LOGS AT THE CONTROL ROOM
DUE TO KNOWN REASON OF THE TRIPPEDOFF
DUE TO UNKNOWN REASON OF THE TRIPPED OFF.
RESET EARTH LEAK RELAY ( ELR )
MANUAL TITLE: EFFECTIVITY DATE:DOCUMENT CODE:
January 28,2015
REVISION NO. 0 PAGE 1 of 2
WORK INSTRUCTION
MANUAL
Process Flow Specific Activity Picture
Make InspectionInspect Status: If CLEARFinger Point and Call " YOSHI"Announce to control room:Reset Air Circuit Breaker ( ACB )
Make Inspection,Confirm the Status: IF CLEARFinger Point and Call " YOSHI"Announce to control room:Energized " ON " the ACB: Pull the handle and switch to " ON " Position
Make Inspection, Confirm the stutus: IF CLEARFinger Point and Call " YOSHI"Announce to control room:Energize feeder one at a time to confirmwhich feeder have electrical leak. make sure also to make the area free fromobstruction of men and tools. Use Proper PPE
If leaked feeder already determined isolateinfected one and energized clean FEEDER.
Electrical will announce to control room
Electrical Foremanthat all FEEDER back to normal CLOSE position.
Electrical will make invistigation and make
Electrical Foremanincident report of what happened.
PersonResponsible
Any Electrical Personnel
Any Electrical Personnel
Any Electrical Personnel
BACK TO NORMAL OPERATION
ENERGIZED FEEDERS ONE BY ONE.
RESET AIR CIRCUIT BREAKER
ENERGIZE THE AIR CIRCUIT BREAKER
MAKE INVISTIGATION &
REPORT
MANUAL TITLE: EFFECTIVITY DATE:DOCUMENT CODE:
January 28,2015
REVISION NO. 0 PAGE 1 of 2
WORK INSTRUCTION
MANUAL
MANUAL TITLE: EFFECTIVITY DATE:DOCUMENT CODE:
January 28,2015
REVISION NO. PAGE 1 of 2
PREPARED : CHECKED : APPROVED:
ENGR. RENDLE RAI S. CUA ARIEL C. SECRETARIA YOSHIO SUZUKIElectrical Supervisor Maintenance Manager Plant Manager
Reset the 4160V Switchgear in proper and safety procedure.
3. Instruction Detail
Process Flow Specific Activity Picture
Confirm the trip yellow indication.
Electrical personnel will go toElectrical Room 1st floor to confirm MVSG4160V switchgear monitor incoming voltage received from THPAL that zero.
Announce to Control room the situation that we Experience blackout ; Zero volt receivefrom THPAL SUB-STATION
IN THE MONITOR
To Proceed, Determine level of situation
Announce to control room for preparing to reset MVSG.
Reset MVSG Switchgear. At display monitor. Press RST
WORK INSTRUCTION
MANUAL
SECTION TITLE : General Procedures
1. Work Instruction Manual : UNEXPECTED PLANT BLACKOUT
2. Objective: Maintenance section procedure if unexpected plant wide blackout happen.
PersonResponsible
Any Electrical Personnel
Any Electrical Personnel
CONFIRM WHAT ERROR DISPLAY
Any Electrical Personnel
CONFIRM AT ELECTRICAL ROOM THE TRIP INDICATION LAMP AT 4160V SWITCHGEAR
CONDITION NO. 1 IF THPAL POWER
RECOVER IMMEDIATELY.TIME RECOVERY < 10
MIN.
ERROR CONFIRM
DETERMINE CONDITION
MANUAL TITLE: EFFECTIVITY DATE:DOCUMENT CODE:
January 28,2015
REVISION NO. PAGE 1 of 2
WORK INSTRUCTION
MANUAL
Process Flow Specific Activity Picture
Announce to control room:Finger Point and Call " YOSHI"OPEN FEEDER BREAKER FROM:MCC1-5, INV. 1-4 FEEDERS.
Follow procedure on the panel door posting.This also apply during april & sept. shutdown
Announce to control room: Finger Point and Call " YOSHI"Energize feeder one at a time to confirmwhich feeder have electrical leak. Make sure also to make the area free fromobstruction of men and tools. Use Proper PPEIf leaked feeder already determined isolateinfected one and energized clean feeder.
Electrical ForemanElectrical will announce to control roomthat all ELCB back to normal position.Ready for Normal Operation
Electrical ForemanElectrical will make invistigation and make incident report of what happened.
PersonResponsible
Any Electrical Personnel
Any Electrical Personnel
Any Electrical Personnel
BACK TO NORMAL OPERATION
ENERGIZED FEEDER ONE BY ONE.
CONDITION NO. 2IF THPAL POWER
SOURCE RECOVER > 10 MIN.
CONDITION NO. 3SCHEDULE BLACKOUT
MAKE INVISTIGATION & REPORT
MANUAL TITLE: EFFECTIVITY DATE:DOCUMENT CODE:
January 28,2015
REVISION NO. PAGE 1 of 2
WORK INSTRUCTION
MANUAL
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