DE5304 – Electrical Fundamentals
Module code
DE5304
Module title
Electrical Fundamentals
Prescription
To develop a sound knowledge of electrical and electronic theory and how these are applied to mechanical engineering systems
Programmes
- SC1101
NZQA Level
Level 5
NZQA Credits
15
Delivery method
- Web-Enhanced
Learning hours
- Total learning hours
- 150
Resources required
- Learning Outcomes
- 1. Demonstrate an understanding of the electrical principles commonly required by mechanical engineers relating to DC, AC, and safety.
2. Demonstrate an understanding of electrical and electronic components relating to Amplifiers, rectifiers, transducers, DC motors, AC motors.
3. Demonstrate an understanding of electrical and electronic control systems. - Content
- - DC Theory and AC theories, phase angle, power factor, reactance, impedance, single phase and three phase systems and calculations, transformers. Insulation, magnetics, capacitance.
- Electrical safety, transformers, RCD, double insulation, earthing, fuses, circuit breakers including MCB's, and regulations.
- Basic electronics systems, amplifiers, rectifiers, inverters, PWM, PLC, micros, PICs.
- Transducers, temp, pressure, force, acceleration, position, velocity.
- Measurement devices including voltmeters, ammeters, ohmmeters, energy meters, power factor meters.
- DC motors and starters, types, characteristics, selection. AC motors and starters, types, characteristics, selection. Power factor correction, speed controllers, stepper motors and drives.
- Digital and analogue systems, standard control signals (i.e. 4-20 mA).
- Concepts of open and closed loop control, proportional, sequential. - Assessment Criteria
- Assignments, Tests 20%
Laboratory (Practical) 30%
Examination 50%
