UEEEL0019Solve problems in direct current (d.c.) machines

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What an assessment for UEEEL0019 must cover

64 assessable components: 3 elements (18 performance criteria), 9 performance evidence and 37 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Prepare to work with d.c. machines

  • 1.1Device/s and/or circuit/s problems are identified from documentation or work supervisor to determine scope of work
  • 1.2WHS/OHS requirements and workplace procedures for a given work area are identified and applied
  • 1.3Hazards are identified, risks are assessed and control measures are implemented
  • 1.4Tools, equipment and testing devices to carry out work are obtained and checked for correct operation and safety
  • 1.5Advice is sought from the work supervisor to ensure work is coordinated effectively with others

2 Solve d.c. machine problems

  • 2.1WHS/OHS risk control measures and workplace procedures for carrying out work are followed
  • 2.2Need to test or measure live work is determined in accordance with WHS/OHS job safety assessment requirements and work is conducted using safety control measures workplace procedures
  • 2.3Relevant circuits, machines and/or plant are checked as being isolated, as required, in accordance with WHS/OHS requirements and workplace procedures
  • 2.4Operating parameters of a machine are determined from nameplate details
  • 2.5Electrical measurements are completed and readings compared with nameplate ratings
  • 2.6Methodical techniques are used to identify and resolve problems from measured and calculated values as they apply to machines
  • 2.7Machine is connected and tested to determine correct operation
  • 2.8Unplanned situations are responded to in accordance with workplace procedures in a manner that minimises risk to personnel and equipment
  • 2.9Problems are resolved without damage to apparatus, circuits, the surrounding environment or services and using sustainable energy practices

3 Complete work and documentation

  • 3.1WHS/OHS work completion risk control measures and workplace procedures are followed
  • 3.2Worksite is cleaned and made safe in accordance with workplace procedures
  • 3.3Justification for solutions used to resolve problems is documented in accordance with established workplace procedures
  • 3.4Work completion is documented and appropriate person/s notified in accordance with workplace procedures

Performance evidence

  • complying work health and safety (WHS)/occupational health and safety (OHS) requirements, including:
  • identifying safety risks associated with using generators, motors. rotating machinery and inductive loads
  • confirming isolation of circuits
  • connecting and testing a direct current (d.c.) machine
  • identifying of faults in a machine from electrical measurements
  • recording electrical measurements and comparing with nameplate ratings
  • reversing the direction of rotation of a d.c motor
  • ensuring all work complies with relevant industry standards and legislation
  • completing required documentation and reporting.

Knowledge evidence

  • rotating machine construction, testing and maintenance, including:
  • care, maintenance and testing processes for rotating machines
  • components of a d.c. machine
  • difference between a generator and a motor in terms of energy conversion
  • nameplate of a machine
  • safety risks associated with using rotating machinery
  • types of faults in electric machines
  • generators, including:
  • basic operation of a d.c. generator
  • equivalent circuit for a d.c. generator
  • importance of residual magnetism for a self-excited generator
  • load characteristics of a d.c. generator
  • methods of excitation used for d.c. generators
  • open circuit characteristics of d.c. generators
  • prime movers, energy sources and energy flow used to generate electricity
  • reversing the polarity of a d.c. generator
  • types of d.c. generators and their applications
  • calculating generated and terminal voltage of a d.c. shunt generator
  • applying Fleming’s left-hand rule for motors and right-hand rule for generators
  • motors, including:
  • basic operation of a motor
  • circuit diagrams and characteristics of the different types of d.c. motors
  • effect of back emf in d.c. motors
  • equivalent circuit for the types of d.c. motors
  • operation of a motor and its energy flow
  • safety risks associated with using motors (including risks of series d.c. motors)
  • torque as the product of the force on the conductors and the radius of the armature/rotor
  • calculating force and torque developed by a motor
  • types of d.c. motors and their applications
  • machine efficiency, including:
  • efficiency characteristic of a d.c. machine and the conditions for maximum efficiency
  • losses that occur in a d.c. machine
  • methods used to determine the losses in a d.c. machine
  • calculating losses and efficiency of a d.c machine
  • methods used to maintain high efficiency
  • safety considerations for inductive loads
  • relevant manufacturer specifications

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing UEEEL0019

What does an assessment tool for UEEEL0019 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEEEL0019 needs to address all 64 unit components: 3 elements with 18 performance criteria, 9 performance evidence requirements, 37 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for UEEEL0019?

Auditori pulls the current release of UEEEL0019 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for UEEEL0019 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing UEEEL0019 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of UEEEL0019, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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