REQUIRED KNOWLEDGE |
This describes the knowledge required for this unit. |
1 | National and international regulations, IMO Conventions and Codes, including AMSA Marine Orders |
2 | Relevant OH&S legislation and policies |
3 | Established procedures for the checking, maintenance, troubleshooting and repair of marine electrical equipment, systems and equipment to ensure compliance with the company and survey requirements and established safety rules and regulations |
4 | Operational characteristics and performance specifications for the different types of shipboard electrical equipment usually found on a vessel between 750 and 3,000 kW propulsion power |
5 | Planned maintenance systems and procedures for the condition monitoring of electrical equipment, including responsibilities and requirements covered by various forms of vessel survey |
6 | The nature and causes of typical shipboard electrical equipment malfunctions and the available methods for their detection and repair, including marine electrical equipment malfunction fault finding techniques |
7 | Procedures for the initiation and coordination of temporary and permanent repair and/or replacement procedures for electrical equipment on board vessels at sea, alongside and in dry dock |
8 | A basic understanding of the power distribution and control circuits typically used on board a vessel over 750 kW propulsion power or more and their associated operational electrical equipment |
9 | Concepts of unmanned machinery spaces (UMS) and automated monitoring and control of machinery |
10 | Practical characteristics and application of shipboard electrical machines, including: |
| a | AC and DC motors |
| b | AC generators, including requirements for the parallel operation and the process of synchronisation |
| c | three phase induction motors, including the various starting methods |
| d | three phase motors, including synchronous motors |
| e | three phase alternators operating singly and in parallel |
| f | three phase transformers |
11 | Principles and procedures for electrical measurement, including the use of oscilloscopes and multimeters and insulation resistance measurement using a Megger |
12 | Procedures for identifying faults and carrying out basic repairs on 4 to 20 mA loops, including: |
| a | open and short circuits |
| b | earth faults |
| c | high resistance joints |
| d | power supply faults |
| e | electronic component failure |
13 | Principles of electrotechnology, marine electrical practice and marine automation and control relevant to detection, identification and repair of faults, including: |
| a | electromagnetism and electrostatics |
| b | electrolytic action and cells |
| c | the electrical circuit |
| d | principles and practical characteristics of AC and DC machines and related electrical equipment |
| e | cabling, distribution and lighting systems |
| f | control and switch gear |
| g | deck electrical equipment |
14 | Types of maintenance and repair records that must be maintained on a vessel to meet the requirements of the company, survey requirements and regulatory authorities |
15 | Maritime communication techniques needed during maintenance and repair operations |
16 | Typical maintenance and repair hazards and problems and appropriate preventative and remedial action and solutions during maintenance and repair of shipboard electrical equipment |
17 | Safety, environmental and hazard control precautions and procedures relevant to shipboard electrical equipment inspection and maintenance operations |
18 | Safe procedures for handling heavy electrical equipment and component parts during maintenance and repair of shipboard electrical equipment |
19 | Safe procedures for the use of hand and power tools and maintenance equipment |
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REQUIRED SKILLS |
This describes the basic skills required for this unit. |
1 | Communicate effectively with other personnel when managing the testing, detection of faults, maintenance and restoration of electrical equipment |
2 | Interpret and follow procedures when testing and maintaining electrical equipment and systems |
3 | Read and interpret material safety data sheets |
4 | Read and interpret vessel and electrical equipment specifications, equipment drawings, operational manuals, and control circuit diagrams |
5 | Work collaboratively with other shipboard personnel when testing and maintaining electrical equipment and systems |
6 | Solve problems that can occur when testing and maintaining electrical equipment and systems and take appropriate remedial action and solutions |
7 | Carry out calculations required when testing and maintaining electrical equipment and systems |
8 | Adapt to differing types of electrical control systems from one vessel to another and when systems are changed |
9 | Select and use tools and equipment required for the maintenance of electrical equipment and systems |