Occupational Profile: Electrical & Electronics Engineering Technician

Transcription

1 Occupational Profile: Electrical & Electronics Engineering Technician A competent Electrical & Electronics Engineering Technician should be able to demonstrate the following skills and competences: 1. Be able to carry out work in a safe manner that has no negative effect on oneself and others health and well being 2. Identify hazards and risks associated with health, safety, and welfare in an engineering workplace 3. Apply the underpinning knowledge to engage in electrical engineering activities 4. Be able to construct and investigate domestic electrical installations in accordance with relevant local and the IEE regulations 5. Be able to design, construct and investigate electronic circuits 6. Interpret electrical and electronics drawings, data and engineering manuals 7. Use the proper tools, equipment and application software 8. Communicate in written, verbal, graphical and Information and Communication Technology (ICT) 9. Be familiar with the function and operation of motors and electrical and electronic control devices 10. Select the appropriate working methods and tools 11. Communicate effectively within a working group and use acceptable interpersonal skills 1

2 The candidate applying to be trade tested for the Certificate of Competence should be in possession of the majority of the following knowledge, competencies & skills: Health, Safety Risk Assessment and Welfare in the Engineering Workplace Use of Personal Protective Equipment Identify and control hazards in the workplace Understand and apply safe working practices Follow accident and emergency procedures Apply key features of health and safety legislation and regulations Assist in preparing a risk assessment and carryout control measures Assist in preparing an incident or accident report Demonstrate the underpinning knowledge in electrical and electronics when: Investigating D.C. and A.C. circuits Investigating components and devices Measuring and testing Investigating resistive, inductive and capacitive circuits Configuring device settings Investigating supply systems, protection and earthing Installing and maintaining electrical machines and motors Electrical Technology Be familiar with the application of conductors, insulators and magnetic materials. Be familiar with methods used to produce electrical energy Be familiar with the arrangements of transmission, distribution and supply systems. Be familiar with Electrical Energy Utilisation in domestic, commercial and industrial applications. Three-phase systems Interpret the relationship of current, voltage and power quantities for three-phase systems. Be familiar with the operation of three-phase supply systems Carry out measurements and calculate parameters in three-phase balanced and unbalanced loads. Be aware of the safety requirements when working in three-phase power systems. 2

3 AC and DC Rotating Machines and Drives Identify different types of AC single and three-phase motors. Identify different types of DC motors. Identify different types of motor starters and control gear. Select, connect and maintain AC and DC motors Identify the construction and characteristics of generators and main control. Principles and Applications of Electronic Devices and Circuits: Use simulation software packages Select, connect and test electronic components Build and test basic analogue and logic circuits Construction and Applications of Digital Systems Be familiar with the application of digital electronics technology replacing electrical and electronics control systems Be familiar with methods of interfacing analogue to digital systems Build and test different digital systems Selection and Applications of Automation Systems: Select hardware and software requirements of a PLC Be familiar with programming techniques to investigate PLC programmes Be familiar with programmable controller applications Be familiar with data communications media and networks used in automation systems Be familiar with basic pneumatic and hydraulic circuits Mechanical applications Be familiar with different types of mechanical maintenance processes Be familiar with the effects of methods of handling equipment Be familiar with the effects of heating in electrical and electronics systems Be familiar with different types of power transmission Demonstrate interpersonal skills Follow verbal and written instructions Working in teams Acceptable feedback 3

4 Health, Safety Risk Assessment and Welfare in the Engineering Workplace Apply the correct use of Personal Protective Equipment Use correctly safety equipment to carry out tasks Interpret Safety Signs designated Understand the use of Material Safety Data Sheets (MSDS) Perform Basic Risk Assessment before performing works Apply work procedures to minimize as much as possible incidents from occurring Reports hazards to the responsible officer Apply First Aid treatments were applicable Apply safety regulations applicable to electrical engineering task Apply Occupational, Health & Safety Regulations, Electricity Supply Regulations (ESR), IEE Regulations (BS 7671) Be aware and apply, were applicable, local standards issued by the Malta Standards Authority or equivalent Be aware of the risk caused by electrically charged circuits Be aware of the risk caused by damp situations Demonstrate the underpinning knowledge in electrical and electronics Identify DC and AC systems Select and connect measuring instruments Interpret readings obtained by measurements instruments Distinguish between resistive, inductive and capacitive circuits Select and connect different types of electrical and electronics components In the application of magnetic materials and magnetic circuits Electrical Technology Be familiar with the characteristics of conductors, insulators and magnetic materials Be able to select conductors, insulators and magnetic materials in particular applications Be familiar with standby generating systems (prime mover, generator and change-over switches) Be familiar with solar and wind generating systems Be familiar with the various voltages used in the transmission and distribution systems Be familiar with the methods of earthing Be familiar with different systems of installations Be familiar with different type of circuits Be able to distinguish between the connected load and the current demand Be able to establish the current ratings of cables and switchgear Be able to interpret working drawings 4

5 Upkeep of tools Three-phase systems Be able to establish the phase and line voltages and currents in Star and Delta connections Be able to establish the load current from a given Power rating Be able to balance single-phase loads in three phase systems Be able to connect three-phase balanced and unbalanced loads Be able to connect single phase loads across line voltage Be able to connect ampere meter and voltmeter Be able to connect power and power factor meters Be able to connect current and voltage transformers with measuring instruments Be aware of risks related to current transformers Be aware of risks related to capacitors and capacitance in electrical circuits Be aware of risks when utilising Low Voltage and High Voltage supplies Be aware of risks when utilising of three-phase power AC and DC Rotating Machines and Drives Be familiar with the characteristics of AC single-phase motors Be familiar with the characteristics of AC three-phase motors Be familiar with the characteristics of DC motors Be familiar with control gear used for AC motors Be able to connect AC motor starters Be familiar with control gear used for DC motors Be able to connect DC motor starters Carry out periodic maintenance on AC Motors Carry out periodic maintenance on DC Motors Be familiar with standby generating systems Be familiar with methods of earthing for single-phase and three-phase generators Be familiar with auto and manual changeover switching Principles and Applications of Electronic Devices and Circuits: Be familiar with the characteristics and package for different types of diodes and transistors Be familiar with the characteristics and package for different types of logic gates Be familiar with basic circuits used to drive electronic components Be able to build and test logic circuits 5

6 Be able to use a multimeter for testing and measurements Be able to use oscilloscope for testing and measurements Be able to replace electronic components Be able to interpret electronic circuits Be able to identify the main blocks of an electronic circuit Be able to prepare components list Be able to use computer-based simulation to construct and test the operation of electronic circuits. Be familiar with the methods used to discharge electrostatic energy Construction and Applications of Digital Systems Be familiar with the application of analogue to digital converters Be familiar with safety precautions when using measuring instruments in electronics equipment. Be familiar with digital systems Be able to test digital systems Be familiar with different types of standard data interfaces Be familiar with the application of tri-state devices Selection and Applications of Automation Systems: Be able to identify the application of various cards used in PLC systems Be familiar with software used in PLC systems Be familiar with PLC programming techniques Be able to connect input and output devices to PLCs Be familiar with testing methods Be familiar with communication mediums, interfaces and protocols used in automation systems Be familiar with pneumatic and hydraulic systems Mechanical applications Be able to identify risks and hazards caused by mechanical machinery Be familiar with various type of engineering materials Be able to distinguish between different types of prime movers, such as diesel or petrol engines. Be able to select safe methods when handling equipment Be able to use tools and equipment for maintenance purposes Be familiar with different types of pulleys, sprocket, belts, chains, gears and couplings Be familiar with different types of mounting methods used for equipment 6

7 Demonstrate Interpersonal Skills: Be able to listening and comprehend Be able to respond positively to feedback Be able to achieving results by himself or with other people Be able to avoid conflicts and resolves them if applicable Be able to participate constructively in teams Be able to provide constructive feedback 7

8 ASSESSMENT CRITERIA Trade Testing Board Assessment 1. Introduction The following is a detailed description of the assessment to be adopted by the Trade Testing Board (TTB) to reach a final decision on the award of a Certificate of Competence. 2. Trade Test As defined in the Standard Operating Procedure, the trade test is to be made up of the following four components: 1. Written 2. Practical 3. Interview 8

9 The Board has agreed on the sequence of the test and the markings allocated to each specific component as indicated below: Component Mark Pass Mark Written % Interview % Practical % The candidate must pass all components in order to be awarded with the Certificate of Competence 9

10 The Written Component The topics of the written test may include the following: Health and Safety Technical report writing Electrical and electronic principles Selection and applications of programmable controls Principles and applications of electronic devices and circuits Electrical Technology Principles and applications of analogue electronics Constructions and application of digital systems Microprocessors systems and applications Three-phase systems Three-phase motors and drives Mechanical principles and applications Electronic circuits and manufacture Electrical installation Principle of software design and development Measuring Instruments 10

11 The Interview Component All candidates will be called to attend an interview during which the Board will assess the proficiency and competence of the candidate related to the field of electrical and electronics engineering. The candidate will be assessed on the following: Attitude and aptitude Practical knowledge gained throughout the work experience Asses underpinning knowledge Ability to elaborate in their field of experience. Technical questions including the ones listed in the section of knowledge, competencies and skills 11

12 The Practical Component The board will normally set up a practical test to assess knowledge, skills and attitudes in the field of electrical and electronics engineering. The candidate may be asked to assemble, install, test or repair electrical and electronics equipment. The board expects the candidates to be familiar with typical workshop tools and testing apparatus. 12