This unit involves the skills and knowledge required to maintain high voltage (HV) power and instrument transformers in the electricity supply industry (ESI).

It includes conducting routine diagnostic tests within agreed specifications and maintaining associated cooling systems, controls, alarm systems and tertiary cabling and/or busbar systems in accordance with workplace procedures.

The application of the skills and knowledge described in this unit may require a licence/registration to practice in the workplace.

Other conditions may apply under state and territory legislative and regulatory licensing requirements which must be confirmed prior to commencing this unit.

ELEMENTS

PERFORMANCE CRITERIA

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Plan to maintain HV power and instrument transformers

1.1

Work schedules, construction plans, drawings, workplace procedures and material lists are obtained and analysed

1.2

Job requirements and workplace procedures are identified and communicated with relevant personnel

1.3

Hazards are identified, work health and safety (WHS)/occupational health and safety (OHS)risks assessed and control measures prioritised, implemented and monitored in accordance with workplace procedures

1.4

Work is prioritised and sequenced for completion within acceptable timeframes following consultation with relevant personnel and in accordance with workplace procedures

1.5

Risk control measures are identified, prioritised, implemented and evaluated against the work schedule

1.6

Equipment, tools and personal protective equipment (PPE) required for work are identified, obtained and confirmed in working order

1.7

Liaison and communication issues with authorised personnel, authorities, clients and land owners are resolved to facilitate work, as required

1.8

Personnel participating in work are fully briefed and responsibilities confirmed in accordance with workplace procedures

1.9

Worksite is prepared to minimise risk, damage to property, commerce and individuals in accordance with workplace procedures

2

Carry out the maintenance of HV power and instrument transformers

2.1

WHS/OHS, sustainable energy and environmental principles and practices are monitored and actioned to reduce incidents of accidents in accordance with workplace procedures

2.2

Cardiopulmonary resuscitation (CPR), rescue from live electrical apparatus and other related safety procedures are in place in accordance with job requirements and/or workplace procedures

2.3

Safe working documentation is acquired and requirements completed in accordance with workplace procedures

2.4

Requirements for lifting, climbing, working at heights, confined spaces and use of power tools/equipment are followed in accordance with workplace procedures

2.5

Hazard warnings and safety signs are recognised and hazards and assessed WHS/OHS risks are monitored and preventive action taken and/or appropriate authorities consulted, where necessary, in accordance with workplace procedures

2.6

HV power system and instrument transformers are maintained to ensure completion in agreed timeframes, to quality standards and with minimum waste in accordance with workplace procedures

2.7

Transformers/instrument transformers are isolated and maintained in accordance with manufacturer instructions and workplace procedures

2.8

Diagnostic measurements are performed and results interpreted, analysed and recorded in accordance with workplace procedures

2.9

Transformers/instrument transformers are restored in accordance with workplace policies and procedures

2.10

Unplanned events or conditions are responded to in accordance with workplace procedures

3

Complete the maintenance of HV power and instrument transformers

3.1

Completed work is checked against work schedule, construction plans and drawings for compliance and anomalies are reported in accordance with workplace procedures

3.2

Safe working documentation is surrendered and transformer/instrument transformer made ready for service

3.3

Worksite is cleaned and confirmed safe in accordance with workplace procedures

3.4

Tools, equipment, surplus resources and materials are, where appropriate, cleaned, checked and returned to storage in accordance with workplace procedures

3.5

Work records, reports and/or documentation are completed in accordance with workplace procedures and relevant personnel notified

Foundation skills essential to performance are explicit in the performance criteria of this unit of competency.

Range is restricted to essential operating conditions and any other variables essential to the work environment.

Non-essential conditions may be found in the Companion Volume Implementation Guide.

Not applicable.

Substation