Google Links

Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

  1. Maintain marine generators
  2. Maintain marine switchboards
  3. Maintain marine electrical motors
  4. Test marine electrical motor starters
  5. Maintain marine electrical distribution systems
  6. Maintain DC electrical systems
  7. Identify faults in automated control systems
  8. Operate electrical testing and measuring equipment
  9. Test automatic control devices

Required Skills

Required Skills

Apply relevant procedures

Assess own work outcomes and maintain knowledge of current codes standards regulations and industry practices

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

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

Identify and interpret numerical and graphical information in vessel electrical diagrams and specifications

Identify and suggest ways of rectifying faults and malfunctions in marine electrical and electronic systems on vessels

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

Read and interpret written information related to operating and maintaining marine electrical and electronic systems including specifications drawings technical manuals and electrical and electronic circuit diagrams

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

Required Knowledge

Alternating current ACDC voltage

Batteries

Circuit breakers and interlocks fitted to circuit breakers

Circuits

Current protection relays

operate on fault and request

operate on fault and request and demand

operate on fault and request and under voltage

Earthing

Electrical measuring and testing instruments

Electrical symbols basic electrical and electronic diagrams and circuits

Fault protection equipment

differential protection device

fuses

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

alarm printer

data logger

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

Operation of

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 SDSmaterial 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 alarmsetting values in monitoring systems

confirming the accuracy of measuring monitoring

detecting electrical malfunctions and preventing damage

electrical safety and isolation

fault finding

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 voltagecurrent 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 WHSoccupational 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

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria the required skills and knowledge the range statement and the Assessment Guidelines for the Training Package

Critical aspects for assessment and evidence required to demonstrate competency in this unit

The evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the Elements Performance Criteria Required Skills Required Knowledge and include

ensuring behaviour reflects relevant current legislative and regulatory requirements

ensuring currency of relevant WHSOHS skills and knowledge

initiating timely action in response to defects or damage

Context of and specific resources for assessment

Performance is demonstrated consistently over time and in a suitable range of contexts

Resources for assessment include access to

industryapproved marine operations site where maintaining and repairing marine electrical and electronic equipment can be conducted

tools equipment and personal protective equipment currently used in industry

relevant regulatory and equipment documentation that impacts on work activities

range of relevant exercises case studies andor other simulated practical and knowledge assessments

appropriate range of relevant operational situations in the workplace

In both real and simulated environments access is required to

relevant and appropriate materials and equipment

applicable documentation including workplace procedures regulations codes of practice and operation manuals

Method of assessment

Practical assessment must occur in an

appropriately simulated workplace environment andor

appropriate range of situations in the workplace

A range of assessment methods should be used to assess practical skills and knowledge The following examples are appropriate to this unit

direct observation of the candidate maintaining and repairing marine electrical and electronic equipment

direct observation of the candidate applying relevant WHSOHS requirements and work practices

Guidance information for assessment

Holistic assessment with other units relevant to the industry sector workplace and job role is recommended

In all cases where practical assessment is used it should be combined with targeted questioning to assess Required Knowledge

Assessment processes and techniques must be appropriate to the language and literacy requirements of the work being performed and the capacity of the candidate


Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below.

Testing of marine generators may include:

Functional test of AVR

Insulation

Reading of alternator:

excitation circuit

stator

Faults in circuit breakers may include:

Alignment of contactors

Condition of:

closing and opening mechanisms

insulation barriers

Wear and tear on linkages

Faults in electrical motor starters may include:

Earthing

Open circuit

Main components of automated control systems may include:

Actuator

Control valve

Controller

Positioner

Regulator

Relay

Sensor

Servomotor

Transducer

Faults in automated control systems may include:

Failure of components

Intermittent functional faults

Vessel operating systems may include

Auxiliary machinery

Boilers

Main engine

Power generation and distribution

Operation of control valves may include:

Electrical

Hydraulic

Manual

Pneumatic