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Elements and Performance Criteria

1. Prepare electrical systems and equipment for operation
   • Risks to self, others and the environment are identified according to organisational procedures
   • Pre-operational checks are carried out according to manufacturer specifications and organisational procedures
2. Operate electrical systems and equipment
   • Electrical systems and equipment are operated according to manufacturer specifications, regulations and vessel procedures
   • Performance of electrical equipment is monitored
   • AC electrical supply is monitored and demand is adjusted
   • Operational faults are recognised and recorded, and corrective action is taken according to manufacturer specifications and fault-finding procedures
3. Connect and disconnect ship to shore electrical supply
   • Vessel is positioned and secured for connecting to shore electrical supply
   • Power cable is inspected and connected to shore supply
   • Procedures for changing from vessel supply to shore supply are implemented following vessel procedures
   • Electrical supply is monitored for correct operation according to vessel procedures
   • Operational faults are recognised and recorded, and corrective action is taken according to vessel procedures
   • Procedures for changing from shore supply to vessel supply are implemented following vessel procedures
   • Power cable is disconnected, inspected and stored

Range Statement

Specifies different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Range is restricted to essential operating conditions and any other variables essential to the work environment.
Electrical systems and equipment include one or more of the following:	batteries charging systems fuses and circuit breakers generators/alternators motors shore power connection starter motors switchboards
Adjusted include one or more of the following:	changing electrical supply to a larger alternator connecting further alternators in parallel requesting non-essential electrical systems be isolated
Operational faults include one or more of the following:	battery faults earth faults failure of: starter motors alternators to produce voltage faults with shore power connections including phase rotations operation of fuses and circuit breakers operation of protection devices on the switchboard

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria on at least one occasion and include:

adjusting electrical supply to accommodate load demand

connecting and disconnecting shore supply

locating, interpreting and applying manufacturer specifications for electrical systems and equipment

operating and monitoring alternating current (AC) electrical systems according to manufacturer recommendations, regulations and vessel operating procedures to ensure safe operation

operating and monitoring direct current (DC) systems according to manufacturer recommendations, regulations and vessel operating procedures to ensure safe operation.

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Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

basic care of electrical systems and equipment in general - fault recognition

batteries:

care

hazards

types

charging systems:

alarms/indicators

regulators

connecting batteries in series and parallel

DC systems not exceeding 32V DC

earth indicating devices

electric systems (above 32 V DC and up to 415 V AC)

emergency supply and regulatory requirements

fault identification, location, and safety implications

operation of starter motors, alternators and associated equipment

personal safety

protective devices on switchboards

shore power connection

single and three-phase sc power

uses of fuses and circuit breakers:

selection of correct capacity

work health and safety (WHS)/occupational health and safety (OHS) requirements and work practices.

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