Fonterra Whareroa 110KV Monthly Yard Inspection

• Inspection month

• Prepared by

HES 219 Earth Switch

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Connections

  Good

  Fair

  Poor

  N/A

• Insulators

  Good

  Fair

  Poor

  N/A

HDS 216 Disconnector

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Connections

  Good

  Fair

  Poor

  N/A

• Insulators

  Good

  Fair

  Poor

  N/A

• Contacts closed correctly

  Yes

  No

  N/A

• Associated Buswork

  Good

  Fair

  Poor

  N/A

• Clear of wind blown debris

  Yes

  No

  N/A

Line 1 VT (Voltage Transformer)

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Red Phase Oil Level

  As expected

  Low

  High

• White Phase Oil Level

  As expected

  Low

  High

• Blue Phase Oil Level

  As expected

  Low

  High

• Bushings

  Good

  Fair

  Poor

  N/A

• Oil Leaks

  Yes

  No

  N/A

• Seal Metering Intact

  Yes

  No

  N/A

Line 1 CT (Current Transformer)

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Red Phase Oil Level

  As expected

  Low

  High

• White Phase Oil Level

  As expected

  Low

  High

• Blue Phase Oil Level

  As expected

  Low

  High

• Bushings

• Oil Leaks

  Yes

  No

  N/A

• Seal Metering Intact

  Yes

  No

  N/A

HCB 212 Circuit Breaker

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• CB Bushings

  Good

  Fair

  Poor

  N/A

• CB SF6 Pressure

  Green

  Yellow

  Red

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Operations Counter

HDS 214 Disconnector

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Connections

  Good

  Fair

  Poor

  N/A

• Insulators

  Good

  Fair

  Poor

  N/A

• Contacts closed correctly

  Yes

  No

  N/A

• Associated Buswork

  Good

  Fair

  Poor

  N/A

• Clear of wind blown debris

  Yes

  No

  N/A

Bus 1 VT (Voltage Transformer)

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Red Phase Oil Level

  As expected

  Low

  High

• White Phase Oil Level

  As expected

  Low

  High

• Blue Phase Oil Level

  As expected

  Low

  High

• Bushings

  Good

  Fair

  Poor

  N/A

• Oil Leaks

  Yes

  No

  N/A

• Seal Metering Intact

  Yes

  No

  N/A

HCB 222 Circuit Breaker

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• CB Bushings

  Good

  Fair

  Poor

  N/A

• CB SF6 Pressure

  Green

  Yellow

  Red

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Operations Counter

T1 (Transformer)

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Surge Arrestor

  Good

  Fair

  Poor

  N/A

• Oil Leaks

  Yes

  No

  N/A

• Main Tank Silica Gel

  WET (Purple)

  Dry (Orange)

• Main Oil Cup

  As expected

  Low

  High

• OLTC Tank Silica Gel

  WET (Purple)

  Dry (Orange)

• OLTC Breather Oil Cup

  As expected

  Low

  High

• Cable box Silica Gel

  WET (Purple)

  Dry (Orange)

• Cable Box Breather Oil Cup

  As expected

  Low

  High

• Winding Temperature

• Oil Temperature

• OLTC Cubicle doors, hinges, locks

  Good

  Fair

  Poor

  N/A

• OLTC Counter Reading

• OLTC Cubicle Heater Working

  Yes

  No

  N/A

• OLTC Tap Position

• Main Control Cubicle doors, hinges, locks

  Good

  Fair

  Poor

  N/A

• Fan and Pump lamps Working

  Yes

  No

  N/A

• Fans tested OK (Control Cubicle)

  Yes

  No

  N/A

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Bushings

  Good

  Fair

  Poor

  N/A

• Surge Arrestor Counters

  Yes

  No

  N/A

• Red Phase Bushing oil level

  As expected

  Low

  High

• White Phase Bushing oil level

  As expected

  Low

  High

• Blue Phase Bushing oil level

  As expected

  Low

  High

• Transformer Conservator Tank Oil Level

  As expected

  Low

  High

• OLTCConservator Tank Oil Level

  As expected

  Low

  High

• Earthing Transformer Metalwork/Paintwork

  Good

  Fair

  Poor

  N/A

• Earthing Transformer Oil Leaks

  Yes

  No

  N/A

• Earthing Transformer Oil Level

  As expected

  Low

  High

HDS 227 Disconnector

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Connections

  Good

  Fair

  Poor

  N/A

• Insulators

  Good

  Fair

  Poor

  N/A

• Contacts closed correctly

  Yes

  No

  N/A

• Associated Buswork

  Good

  Fair

  Poor

  N/A

• Clear of wind blown debris

  Yes

  No

  N/A

HCB 232 Circuit Breaker

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• CB Bushings

  Good

  Fair

  Poor

  N/A

• CB SF6 Pressure

  Green

  Yellow

  Red

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Operations Counter

T2 (Transformer)

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Surge Arrestor

  Good

  Fair

  Poor

  N/A

• Oil Leaks

  Yes

  No

  N/A

• Main Tank Silica Gel

  WET (Purple)

  Dry (Orange)

• Main Oil Cup

  As expected

  Low

  High

• OLTC Tank Silica Gel

  WET (Purple)

  Dry (Orange)

• OLTC Breather Oil Cup

  As expected

  Low

  High

• Cable box Silica Gel

  WET (Purple)

  Dry (Orange)

• Cable Box Breather Oil Cup

  As expected

  Low

  High

• Winding Temperature

• Oil Temperature

• OLTC Cubicle doors, hinges, locks

  Good

  Fair

  Poor

  N/A

• OLTC Counter Reading

• OLTC Cubicle Heater Working

  Yes

  No

  N/A

• OLTC Tap Position

• Main Control Cubicle doors, hinges, locks

  Good

  Fair

  Poor

  N/A

• Fan and Pump lamps Working

  Yes

  No

  N/A

• Fans tested OK (Control Cubicle)

  Yes

  No

  N/A

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Bushings

  Good

  Fair

  Poor

  N/A

• Surge Arrestor Counters

  Yes

  No

  N/A

• Red Phase Bushing oil level

  As expected

  Low

  High

• White Phase Bushing oil level

  As expected

  Low

  High

• Blue Phase Bushing oil level

  As expected

  Low

  High

• Transformer Conservator Tank Oil Level

  As expected

  Low

  High

• OLTCConservator Tank Oil Level

  As expected

  Low

  High

• Earthing Transformer Metalwork/Paintwork

  Good

  Fair

  Poor

  N/A

• Earthing Transformer Oil Leaks

  Yes

  No

  N/A

• Earthing Transformer Oil Level

  As expected

  Low

  High

HDS 237 Disconnector

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Connections

  Good

  Fair

  Poor

  N/A

• Insulators

  Good

  Fair

  Poor

  N/A

• Contacts closed correctly

  Yes

  No

  N/A

• Associated Buswork

  Good

  Fair

  Poor

  N/A

• Clear of wind blown debris

  Yes

  No

  N/A

HCB 248 Circuit Breaker

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• CB Bushings

  Good

  Fair

  Poor

  N/A

• CB SF6 Pressure

  Green

  Yellow

  Red

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Operations Counter

HDS 257 Disconnector

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Connections

  Good

  Fair

  Poor

  N/A

• Insulators

  Good

  Fair

  Poor

  N/A

• Contacts closed correctly

  Yes

  No

  N/A

• Associated Buswork

  Good

  Fair

  Poor

  N/A

• Clear of wind blown debris

  Yes

  No

  N/A

HCB 252 Circuit Breaker

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• CB Bushings

  Good

  Fair

  Poor

  N/A

• CB SF6 Pressure

  Green

  Yellow

  Red

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Operations Counter

T3 (Transformer)

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Surge Arrestor

  Good

  Fair

  Poor

  N/A

• Oil Leaks

  Yes

  No

  N/A

• Main Tank Silica Gel

  WET (Purple)

  Dry (Orange)

• Main Oil Cup

  As expected

  Low

  High

• OLTC Tank Silica Gel

  WET (Purple)

  Dry (Orange)

• OLTC Breather Oil Cup

  As expected

  Low

  High

• Cable box Silica Gel

  WET (Purple)

  Dry (Orange)

• Cable Box Breather Oil Cup

  As expected

  Low

  High

• Winding Temperature

• Oil Temperature

• OLTC Cubicle doors, hinges, locks

  Good

  Fair

  Poor

  N/A

• OLTC Counter Reading

• OLTC Cubicle Heater Working

  Yes

  No

  N/A

• OLTC Tap Position

• Main Control Cubicle doors, hinges, locks

  Good

  Fair

  Poor

  N/A

• Fan and Pump lamps Working

  Yes

  No

  N/A

• Fans tested OK (Control Cubicle)

  Yes

  No

  N/A

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Bushings

  Good

  Fair

  Poor

  N/A

• Surge Arrestor Counters

  Yes

  No

  N/A

• Red Phase Bushing oil level

  As expected

  Low

  High

• White Phase Bushing oil level

  As expected

  Low

  High

• Blue Phase Bushing oil level

  As expected

  Low

  High

• Transformer Conservator Tank Oil Level

  As expected

  Low

  High

• OLTCConservator Tank Oil Level

  As expected

  Low

  High

HDS 267 Disconnector

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Connections

  Good

  Fair

  Poor

  N/A

• Insulators

  Good

  Fair

  Poor

  N/A

• Contacts closed correctly

  Yes

  No

  N/A

• Associated Buswork

  Good

  Fair

  Poor

  N/A

• Clear of wind blown debris

  Yes

  No

  N/A

HCB 262 Circuit Breaker

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• CB Bushings

  Good

  Fair

  Poor

  N/A

• CB SF6 Pressure

  Green

  Yellow

  Red

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Operations Counter

T4 (Transformer)

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Surge Arrestor

  Good

  Fair

  Poor

  N/A

• Oil Leaks

  Yes

  No

  N/A

• Main Tank Silica Gel

  WET (Purple)

  Dry (Orange)

• Main Oil Cup

  As expected

  Low

  High

• OLTC Tank Silica Gel

  WET (Purple)

  Dry (Orange)

• OLTC Breather Oil Cup

  As expected

  Low

  High

• Cable box Silica Gel

  WET (Purple)

  Dry (Orange)

• Cable Box Breather Oil Cup

  As expected

  Low

  High

• Winding Temperature

• Oil Temperature

• OLTC Cubicle doors, hinges, locks

  Good

  Fair

  Poor

  N/A

• OLTC Counter Reading

• OLTC Cubicle Heater Working

  Yes

  No

  N/A

• OLTC Tap Position

• Main Control Cubicle doors, hinges, locks

  Good

  Fair

  Poor

  N/A

• Fan and Pump lamps Working

  Yes

  No

  N/A

• Fans tested OK (Control Cubicle)

  Yes

  No

  N/A

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Bushings

  Good

  Fair

  Poor

  N/A

• Surge Arrestor Counters

  Yes

  No

  N/A

• Red Phase Bushing oil level

  As expected

  Low

  High

• White Phase Bushing oil level

  As expected

  Low

  High

• Blue Phase Bushing oil level

  As expected

  Low

  High

• Transformer Conservator Tank Oil Level

  As expected

  Low

  High

• OLTCConservator Tank Oil Level

  As expected

  Low

  High

• Earthing Transformer Metalwork/Paintwork

  Good

  Fair

  Poor

  N/A

• Earthing Transformer Oil Leaks

  Yes

  No

  N/A

• Earthing Transformer Oil Level

  As expected

  Low

  High

HDS 277 Disconnector

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Connections

  Good

  Fair

  Poor

  N/A

• Insulators

  Good

  Fair

  Poor

  N/A

• Contacts closed correctly

  Yes

  No

  N/A

• Associated Buswork

  Good

  Fair

  Poor

  N/A

• Clear of wind blown debris

  Yes

  No

  N/A

HCB 272 Circuit Breaker

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• CB Bushings

  Good

  Fair

  Poor

  N/A

• CB SF6 Pressure

  Green

  Yellow

  Red

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Operations Counter

T5 (Transformer)

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Surge Arrestor

  Good

  Fair

  Poor

  N/A

• Oil Leaks

  Yes

  No

  N/A

• Main Tank Silica Gel

  WET (Purple)

  Dry (Orange)

• Main Oil Cup

  As expected

  Low

  High

• OLTC Tank Silica Gel

  WET (Purple)

  Dry (Orange)

• OLTC Breather Oil Cup

  As expected

  Low

  High

• Cable box Silica Gel

  WET (Purple)

  Dry (Orange)

• Cable Box Breather Oil Cup

  As expected

  Low

  High

• Winding Temperature

• Oil Temperature

• OLTC Cubicle doors, hinges, locks

  Good

  Fair

  Poor

  N/A

• OLTC Counter Reading

• OLTC Cubicle Heater Working

  Yes

  No

  N/A

• OLTC Tap Position

• Main Control Cubicle doors, hinges, locks

  Good

  Fair

  Poor

  N/A

• Fan and Pump lamps Working

  Yes

  No

  N/A

• Fans tested OK (Control Cubicle)

  Yes

  No

  N/A

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Bushings

  Good

  Fair

  Poor

  N/A

• Surge Arrestor Counters

  Yes

  No

  N/A

• Red Phase Bushing oil level

  As expected

  Low

  High

• White Phase Bushing oil level

  As expected

  Low

  High

• Blue Phase Bushing oil level

  As expected

  Low

  High

• Transformer Conservator Tank Oil Level

  As expected

  Low

  High

• OLTCConservator Tank Oil Level

  As expected

  Low

  High

• Earthing Transformer Metalwork/Paintwork

  Good

  Fair

  Poor

  N/A

• Earthing Transformer Oil Leaks

  Yes

  No

  N/A

• Earthing Transformer Oil Level

  As expected

  Low

  High

Bus 2 VT (Voltage Transformer)

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Red Phase Oil Level

  As expected

  Low

  High

• White Phase Oil Level

  As expected

  Low

  High

• Blue Phase Oil Level

  As expected

  Low

  High

• Bushings

  Good

  Fair

  Poor

  N/A

• Oil Leaks

  Yes

  No

  N/A

• Seal Metering Intact

  Yes

  No

  N/A

HDS 284 Disconnector

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Connections

  Good

  Fair

  Poor

  N/A

• Insulators

  Good

  Fair

  Poor

  N/A

• Contacts closed correctly

  Yes

  No

  N/A

• Associated Buswork

  Good

  Fair

  Poor

  N/A

• Clear of wind blown debris

  Yes

  No

  N/A

HCB 282 Circuit Breaker

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• CB Bushings

  Good

  Fair

  Poor

  N/A

• CB SF6 Pressure

  Green

  Yellow

  Red

• Control Cubicle Heater Working

  Yes

  No

  N/A

• Operations Counter

Line 2 CT (Current Transformer)

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Red Phase Oil Level

  As expected

  Low

  High

• White Phase Oil Level

  As expected

  Low

  High

• Blue Phase Oil Level

  As expected

  Low

  High

• Bushings

  Good

  Fair

  Poor

  N/A

• Oil Leaks

  Yes

  No

  N/A

• Seal Metering Intact

  Yes

  No

  N/A

Line 2 VT (Voltage Transformer)

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Red Phase Oil Level

  As expected

  Low

  High

• White Phase Oil Level

  As expected

  Low

  High

• Blue Phase Oil Level

  As expected

  Low

  High

• Bushings

  Good

  Fair

  Poor

  N/A

• Oil Leaks

  Yes

  No

  N/A

• Seal Metering Intact

  Yes

  No

  N/A

HDS 286 Disconnector

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Connections

  Good

  Fair

  Poor

  N/A

• Insulators

  Good

  Fair

  Poor

  N/A

• Contacts closed correctly

  Yes

  No

  N/A

• Associated Buswork

  Good

  Fair

  Poor

  N/A

• Clear of wind blown debris

  Yes

  No

  N/A

HES 219 Earth Switch

• Metalwork/ Galvanising

  Good

  Fair

  Poor

  N/A

• Connections

  Good

  Fair

  Poor

  N/A

• Insulators

  Good

  Fair

  Poor

  N/A

Oil Seperator

• Metalwork

  Good

  Fair

  Poor

  N/A

• Test Run OK

  Yes

  No

  N/A

• Hoses OK

  Good

  Fair

  Poor

  N/A

• Alarms Present

  Yes

  No

  N/A

• Lights Operating Correctly

  Yes

  No

  N/A

Switchyard

• Fence

  Good

  Fair

  Poor

  N/A

Life guard RCD test

• General condition of lifeguard

  Good

  Fair

  Poor

  N/A

• Lifeguard Test Tag Current

  Yes

  No

  N/A

• RCD Test

  Pass

  Fail

  N/A

• RCD 6 Monthly Test

  Yes

  No

  N/A

• Fence Earthing

  Good

  Fair

  Poor

  N/A

• Gates, doors & Security

  Good

  Fair

  Poor

  N/A

• Switchyard Lights Working

  Yes

  No

  N/A

• Switchyard Tidiness

  Good

  Fair

  Poor

  N/A

• Bund Walls

  Good

  Fair

  Poor

  N/A

• Equipment Earthing

  Good

  Fair

  Poor

  N/A

• Equipment Labels

  Good

  Fair

  Poor

  N/A