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Elements and Performance Criteria

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.
Testing of marine generators include one or more of the following:	functional test of automatic voltage regulator (AVR) insulation reading of alternator: excitation circuit stator

Faults in circuit breakers include one or more of the following:	alignment of contactors condition of: closing and opening mechanisms insulation barriers wear and tear on linkages

Faults in electrical motor starters include one or more of the following:	earthing open circuit

Main components of automated control systems include one or more of the following:	actuator control valve controller positioner regulator relay sensor servomotor transducer

Faults in automated control systems include one or more of the following:	failure of components intermittent functional faults

Vessel operating systems include one or more of the following:	auxiliary machinery boilers main engine power generation and distribution

Operation of control valves include one or more of the following:	electrical hydraulic manual pneumatic

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:

applying relevant procedures

assessing own work outcomes and maintaining knowledge of current codes, standards, regulations and industry practices

communicating procedures associated with maintaining and repairing marine electrical and electronic equipment verbally and in writing

extracting information from basic electrical and electronic diagrams required to build electrical and electronic circuits

identifying and interpreting numerical and graphical information in vessel electrical diagrams and specifications

identifying and suggesting ways of rectifying faults and malfunctions in marine electrical and electronic systems on vessels

identifying methods, procedures and materials needed for operating, maintaining and repairing marine electrical and electronic systems on vessels

initiating timely action in response to defects or damage

reading and interpreting written information related to operating and maintaining marine electrical and electronic systems, including specifications, drawings, technical manuals, and electrical and electronic circuit diagrams

using testing equipment to gather information on function and performance of marine electrical and electronic systems.

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:

alternating current (AC)/DC voltage

circuit breakers and interlocks fitted to circuit breakers

current protection relays:

operate on fault and request

operate on fault and request and demand

operate on fault and request and under voltage

electrical measuring and testing instruments

electrical symbols, basic electrical and electronic diagrams and circuits

fault protection equipment:

differential protection device

over voltage devices

over current devices

reverse power devices

thermal overload devices

thermistor protection devices

under voltage devices

function and performance testing of system monitoring devices including:

nature and causes of typical start up and shut down malfunctions of main and auxiliary electrical and associated systems and available methods for their detection and rectification

boiler, purifier and generator shut down systems

main engine shut down protective devices

protective devices found on board vessels

operational characteristics and performance specifications for different types of electrical and electronic systems found on vessels

principles and procedures of electrical maintenance

purpose and content of safety data sheets (SDS)/material safety data sheets (MSDS)

relevant procedures such as those relating to:

adjusting, testing and maintaining fault protection devices on switchboards

carrying out start up and shut down of electrical machinery and associated systems to ensure compliance with company and survey requirements and regulations

changing alarm-setting values in monitoring systems

confirming the accuracy of measuring monitoring

detecting electrical malfunctions and preventing damage

electrical safety and isolation

marine maintenance, including difference between breakdown repair, planned maintenance and condition monitoring; purpose of maintenance recording and reporting procedures

routine maintenance on marine electrical motors (cleaning inspection, deterioration of insulation, removal of dust and oil, renew of bearings)

safety and emergency

testing function and performance of protection devices as part of vessel statutory survey

risks and safety procedures associated with working in high voltage environments

safety, environmental and hazard control precautions and procedures relevant to start up and shut down of marine electrical machinery and associated systems

safety requirements associated with working on marine electrical systems, including:

dangers associated with the spaces in the vicinity of busbars

potential dangers associated with instrument voltage/current transformer circuits

protection normally provided on doors of switchboard cubicles

types of electrical and electronic equipment and components

vessel safety management systems

work health and safety (WHS)/occupational health and safety (OHS) legislation and policies

working safely with electricity:

appropriate method of removing an electric shock victim from a live electrical situation

common causes of electrical accidents

effects of electric shock on the human body

electrical safe working practices

need for ensuring safe isolation of an electrical supply

precautions that can minimise chance of electric shock.