UEEEL0042 — Develop engineering solutions for d.c. machine and control problems

Generate a complete, audit-ready assessment tool for this unit in minutes: candidate assessment, assessor guide with model answers, and a coverage matrix mapped to every component below. Reviewed and approved by your qualified person, exported under your branding.

Generate UEEEL0042 free See a real sample

Every new account includes a free credit — no card, no subscription.

What an assessment for UEEEL0042 must cover

113 assessable components: 3 elements (15 performance criteria), 12 performance evidence and 86 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 develop engineering solution for d.c. machine problems

1.1WHS/OHS processes and workplace procedures for a given work area are identified, obtained and applied
1.2WHS/OHS risk control measures and workplace procedures in preparation for the work are followed
1.3Scope of d.c. machine problem is determined from performance specifications and/or documentation and in consultation with relevant person/s
1.4Activities are planned to meet scheduled timelines in consultation with others involved in the work
1.5Strategies are formed to ensure solution development and implementation is carried out efficiently

2 Develop engineering solution for d.c. machine problems

2.1WHS/OHS risk control measures and workplace procedures for carrying out the work are followed
2.2Relevant d.c. machine construction operation characteristics and applications are applied to developing solutions to d.c. machine problems
2.3Parameters, specifications and performance requirements to each machine problem are obtained in accordance with workplace procedures
2.4Approaches to resolving d.c. machine problems are analysed to provide most effective solutions
2.5Unplanned events are dealt with safely in accordance with relevant industry standards and workplace procedures
2.6Quality of work is monitored in accordance with relevant industry standards and workplace procedures

3 Implement engineering solution and complete documentation

3.1Solutions to machine problems are tested to determine their effectiveness and modified as required
3.2Adopted solutions are documented and instructions for implementation with risk control measure developed
3.3Relevant person/s required to implement solutions to d.c. machine problems is coordinated in accordance with relevant industry standards and workplace procedures
3.4Justification for solutions used to solve d.c. machine problems is documented in work/project records in accordance with relevant industry standards

Performance evidence

understanding the extent of the machine problem
forming effective strategies for solution development and implementation
obtaining machine parameters, specifications and performance requirements appropriate to each problem
testing and solutions to machine problems
documenting instruction for implementation of solutions that incorporate risk control measure to be followed
documenting justification of solutions implemented in accordance with professional standards
dealing with unplanned events
applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including using risk control measures
determining the scope of direct current (d.c.) machine problems
planning activities to meet timelines
analysing approaches to solutions
monitoring quality of work

Knowledge evidence

d.c. machine diagnostics and engineering solutions for d.c. machine problems, including:
basic d.c. machine construction and operation encompassing:
general principles of operation
applications of d.c. machines
construction of d.c. machines
d.c. machine configurations; series, shunt, compound long shunt and compound short shunt
armature and field currents
insulation
ratings
cooling paths
bearings
general maintenance of d.c. machines
construction and use of lap and wave windings encompassing:
coils and elements
generated voltage equation for generator
generated voltage equation for motors
application of lap and wave windings
commutation process encompassing:
use of interpoles
loading of machines
brush shifting
brush selection
classes of brush grades: natural graphite, hard carbon, electrographite, metal-graphite and metal-carbon, “treated” grades
carbon brush contact characteristics: specific resistance, thermal conductivity, density and porosity, elastic properties and contact properties
carbon brush factors: pressure, current, polarity and speed
brush construction: dimensions, tolerances, preferred sizes, surfaces, edges, bevels, flexible shunts, connection of flexible shunt to brush and insulation of flexible connections
brush holders: types, brush angles, trailing holders, reaction holders, top bevel angles, reversible rotation, cantilever holders, effective arc of contact, construction of brush holders and pressure mechanism
mounting of brush holders and brushes: clearances, brush angle, brush arm spacing, alignment, staggering, brush bedding and brush pressure
brush operation: temperature rise, number and size of brushes, current distribution between brushes, slotting brushes, polarity effects, arc of contact, materials for commutators and mica
selection of brush grades: machine data, current density, commutator peripheral speed, brush arc, pitch of segments, number of segments covered by brush and cooling surface
armature reaction in d.c. machines encompassing:
effect of armature reaction on d.c. machine characteristics
use of compensating winding
d.c. generators encompassing:
relative advantages and disadvantages of the various d.c. generator configurations and their performance under various load conditions
voltage regulation as a percentage or per unit value
operation in parallel
d.c. motors encompassing:
relative advantages and disadvantages of the various d.c. motor configurations and their performance under various load conditions
shape of motor speed/torque curves
reversal of rotation
starting and protection of d.c. motors encompassing:
types of d.c. motor starters in use
d.c. motor protection
speed regulation and speed control of d.c. motors encompassing:
methods in use
effect on motor design and operation caused by the use of SCR
speed control equipment
braking of d.c. motors encompassing:
plugging
dynamic
regenerative
mechanical
losses, heating and efficiency encompassing:
copper losses
iron losses
mechanical losses
efficiency
acceleration of d.c. motors and loads encompassing:
characteristics of typical loads
matching a suitable motor to a given load
heating of windings
derating of motors
special d.c. motors construction, operation and applications encompassing:
permanent-magnet motors
brushless motors (e.c. motors)
coreless and moving coil motors
linear motors
printed circuit motor
stepping motors
voice-coil motors
maintenance of d.c. machines encompassing:
routine maintenance
breakdown repairs
types of faults encompassing:
brushes/brush gear problems: sparking, excessive heating, excessive wear of brushes, commutator or slip rings, bad surface conditions, excessive maintenance, flexible burning, flexible corrosion, separation or grooving, blackening, copper picking, copper dragging and brush noise
adjustment of machines encompassing:
correct brush position
machining and finishing of commutators
problem-solving techniques
machine parameters, specifications and performance requirements
relevant manufacturer specifications and operating instructions
relevant job safety assessments or risk mitigation processes
relevant WHS/OHS legislated requirements
relevant workplace documentation
relevant workplace quality, instructions, policies and procedures

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.

See what you get before you start

Real, unedited Auditori output (RIIHAN201E shown), branded for a sample RTO:

Questions about assessing UEEEL0042

What does an assessment tool for UEEEL0042 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for UEEEL0042 needs to address all 113 unit components: 3 elements with 15 performance criteria, 12 performance evidence requirements, 86 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 UEEEL0042?

Auditori pulls the current release of UEEEL0042 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 UEEEL0042 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing UEEEL0042 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 UEEEL0042, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

Related units

Your UEEEL0042 assessment tool, in minutes.

First unit free. No card, no RTO registration, no subscription.

Generate UEEEL0042 free