Weekly PM - 115kV Substation

BEFORE ENTERING SUBSTATION

• Perform visual inspection of substation yard. Confirm yard is safe to enter:

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• If safe, proceed to Substation Control Building and complete the inspection. <br><br>If not safe do not enter substation. Document issues and report to supervisor.

  SAFE TO ENTER

  NOT SAFE

• DO NOT ENTER SUBSTATION. Document all issues here and report to supervisor.

• Document No.

• Prepared by

• Conducted on

  Date

Station Battery Charger

• Record battery charger data

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• DC Volts

• DC Amps

• ALARMS

  ACTIVE ALARMS

  NO ALARMS

• Record alarm details below. After recording alarms, acknowledge and reset alarms, (please make note if alarm will not reset).

Station Battery

• * Vent the battery room for 5 minutes before entering**

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• Battery Room Temperature

• Physical Condition

  Normal

  Abnormal

• Record issues with physical conditions below. Inform supervisor.

• Electrolyte Levels

  Below Normal

  Normal

  Above Normal

• Add any additional details of issues with the Electrolyte Levels.

CONTROL PANEL CHECKS

• ***REPORT ALL ALARMS TO SUPERVISOR!***

• PANEL RP1

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• Relay A87B-Bus

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• Relay B 50/51

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• PANEL RP2

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• Relay A87T/50/51/27/59 - T1

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• Record Voltages VA-B

• Record Voltages VB-C

• Record Voltages VC-A

• Relay B87T/50/51/27/59 - T1

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• PANEL RP3

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• Relay A87T/50/51/27/59 - T2

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• Record Voltages VA-B

• Record Voltages VB-C

• Record Voltages VC-A

• Relay A87T/50/51/27/59 - T2

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• PANEL RP4

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• Relay A87B1-B1

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• Relay A87B2-B2

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• PANEL RP5

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• Relay 50/51BF - F11 Protection

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• Record Voltages VA-B

• Record Voltages VB-C

• Record Voltages VC-A

• All above voltages should be between 43kV & 45kV.<br>If not, advise supervisor.

  VOLTAGES WITHIN RANGE

  NOT WITHIN RANGE

• **PLEASE ADVISE SUPERVISOR** Please enter any necessary details below.

• Relay 50/51BF - F21 Protection

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• Record Voltages VA-B

• Record Voltages VB-C

• Record Voltages VC-A

• All above voltages should be between 43kV & 45kV.<br>If not, advise supervisor.

  VOLTAGES WITHIN RANGE

  NOT WITHIN RANGE

• **PLEASE ADVISE SUPERVISOR** Please enter any necessary details below.

• PANEL RP6

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• Relay 50/51/50BF 6CB-10 Prot

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• PANEL RP7

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• SCADA Communications Panel

  ACTIVE ALARMS

  NO ALARMS

• ***REPORT ALL ALARMS TO SUPERVISOR!*** ***RECORD ALARMS BELOW: ***AFTER RECORDING ALARMS - Push reset on relay. ***Record if alarm returns after reset.

• BREAKER/SWITCH STATUS LIGHTS

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• On all Panels: Confirm that for all breakers and switches either the green "open" or red "closed" light is on. Please note any deficiencies.

  All Lights On

  There Are Problems

• ***REPORT ALL PROBLEMS TO SUPERVISOR!*** ***RECORD ALL ISSUES BELOW

• Control Room Temperature

• Add media

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OUTDOOR EQUIPMENT

• Perform walk around through substation - note anything unusual (either visual one audible).

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• ALL GOOD

  SOMETHING UNUSUAL

• PLEASE REPORT ISSUES TO SUPERVISOR. Please record any issues below.

INSPECTION AUTHENTICATION

• Add signature

  Sign

• Select date

  Date

FOR SUPERVISORS USE ONLY

• Please switch on after approval and submit.

  Off

  On