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Elements and Performance Criteria

  1. Explain how material properties affect resistance of electrical conductors
  2. Apply Ohm’s Law to electrical circuits
  3. Apply principles of electrolytic action to electrical cells
  4. Apply principles of electromagnetism to EMF generation
  5. Explain operation of direct current rotating machinery
  6. Explain operation of AC rotating machinery
  7. Explain parallel operation and load sharing of generator
  8. Apply Ohm’s Law to electrical circuits

Performance Evidence

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

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

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

identifying and applying relevant mathematical formulas and techniques to solve basic problems related to marine electrotechnology

identifying and interpreting numerical and graphical information, and performing mathematical calculations such as resistance of electrical conductors, power output and efficiency in DC motors, and driving torque in induction motors

identifying, collating and processing information required to perform basic calculations related to marine electrotechnology

performing accurate and reliable calculations

reading and interpreting written information needed to perform basic electrical calculations

solving problems using appropriate laws and principles.


Knowledge Evidence

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

AC:

rotating machinery

principles

basic electrical circuits

basic principles of marine electrotechnology

batteries

DC:

rotating machinery

motors

difference between AC and DC

electrical:

current

power

safety

units of measurement

electromagnetic:

induction

force

effective verbal, written and visual communication techniques

Ohm’s Law

parallel circuits

principles of electromagnetism and electrolytic action

resistance

series circuits

WHS/OHS requirements and work practices.