Description
Learner Profile:
Maintenance technicians, facilities technicians, fitters, mechanical craft personnel looking to cross skill, anyone working with electrically controlled equipment.
Learner prerequisites:
Learner should have reached the standards of knowledge, skill and competence associated with the preceding level of the National Framework of Qualifications. This may have been achieved through a formal qualification or through relevant life and work experience.
Learning outcomes:
At the end of the course the participants will be able to:
- Explain the electrical properties of conductors and insulators and their respective applications in machines and wired systems.
- Calculate and predict unknown circuit values such as voltage, current and resistance by applying Ohm’s Law to a given series or parallel circuits in both its working and faulted states.
- Explain the principle and successfully wire electrical circuits using the following components: Switches (Normally Open and Normally Closed), Relay coils and contacts and LEDs.
- Explain, using industry standard terminology, the implicit meaning behind terminology, component markings and naming conventions used in specifying switchgear.
- Identify electrical hazards, then describe suitable mitigation measures involving Personal Protection Equipment, safety methods and procedures, Isolation and verification, machine engineering safety controls.
- Explain the operating principle and the circuit conditions causing activation of fuses, Miniature Circuit Breaker, Residual Current Devices and Residual Current Breaker and Overloads and demonstrate techniques for finding the causes of activation.
- Navigate a standard set of industrial schematics in a manner that enhances their contribution to the task of fault-finding.
- Correctly diagnose faulty equipment by using a universal systematic approach including test and track, talk to the operator, reproduce the fault and observe
- Accurately fault-find electrical circuits and components including transformers, contactors, and safety circuits using a Digital multi-meter.
Course Content:
Unit 1: Electrical Concepts and Units
At the end of this learners should be able to:
- Understand the differences between conductors and insulators.
- Understand the concept and units of voltage, current and resistance. Use Ohm’s Law to predict circuit behaviour.
- Competently use a multimeter to measure V, I and R.
- Understand Kirchoff’s Current Law
- Work out what voltages and currents will be at different points in series and parallel circuits.
- Understand how to detect and conclude that circuits have open or short circuit faults.
- Use the correct specification language to describe switchgear in terms of poles and throws.
- · Understand the principles of electro-magnetism and how it applies to DC motors.
Unit 2: Electrical Safety Awareness:
At the end of this learners should be able to:
- List the hazards associated with electricity.
- Appreciate why precautions are necessary.
- List the effects of electricity on the human body.
- List the types of electrical fault and circuit protection.
- Recognise types of fault conditions that can be detected.
- Explain principle of operation of circuit breakers
- Interpret MCB rating and trip characteristics.
- Specify application for fuse types and interpret ratings.
- Explain RCD and RCBO principles.
- Troubleshoot earth faults and explain how short circuits and overload cause MCBs to trip.
Unit
3: Circuits and Circuit Components
At the end of this learners should be able to:
- Construct a set of series, parallel and latching circuits.
- Develop an understanding of the test voltages for the correct working state of these circuits.
- Develop strategies for diagnosing the following fault types:
- Faulty components, open circuits, short circuits, faulty power supplies, RCD trips, fuse trips, loose connections
Unit 4: Electrical troubleshooting
At the end of this learners should be able to:
- Using Simutech Troubleshooting software learners will embed a standardised systematic approach.
- Working with a fully functioning automated process (a machine) which is wired, labelled and has accompanying schematics learners will practice fault-finding multiple fault variations embedded in the training kit.
Unit
5: Reading Electrical Schematics
At the end of this learners should be able to:
- Use schematics to see how power is distributed from 3ph to 1ph to DC to safety circuits.
- Interpret symbols and skilfully navigate your way on both US and EU drawings.
- How to use electrical schematics to effectively troubleshoot
Exam/Continuous Assessment details:
4 Assessments:
Theory Examination 1 (30%),
Practical Exam 1 Simulator (20%),
Practical Examination 1 – Circuit Building (40%),
Skills Demonstration - Electrical Schematics (10%).
A Pass Grade of 50% is required for Certification.
Certification / Awarding Body/Credits
Certification: QQI Level 6 Minor award in Electrical Principles
Awarding Body: QQI
Credits: 15
Progression Pathway:
6M5154 Maintenance Skills Technology Major Award
Remove
