Power Electronic Systems
MODULE CODE
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Module Aims
Aim 1
The aim of this module is to enable students to develop a thorough understanding of the fundamental topics in the field of Power Electronics and apply these to various systems.
Module Content
Module content will typically include:
Power electronics devices: Diodes, thyristor, GTO thyristor, triacs, IGBTs power MOSFETs, switching characteristics, and drive circuitry. Switching losses, efficiency, protection.
Converters: Operation and analysis
AC to DC, inversion, overlap, cyclo-converters.
DC to DC, back, boost, back boost, MPPT,
DC to AC 3-Level SPWM, multilevel, efficiency and quality of output
AC to AC Converters, dc link and matrix converters
Harmonic analysis, effect of harmonics on motors and supply, interference.
Active filters and STATCOM (Static synchronous Compensator), harmonics elimination and PF correction.
PV systems: Grid connected, stand alone, batteries.
Wind generation systems: Domestic systems, wind park systems, induction and permanent magnet configurations
Application of power electronics to DC motors including; Permeant magnet dc motors: street vehicles, small rough ground vehicles, electric braking and speed control, including constant torque V/f.
AC Motor drive characteristics when controlled by power electronics elements, machine drives.
Control machine drives: Programmable logic controllers and microprocessor speed control methods.
Electronic starters, soft starters. Phase-failure and overload electronic protection.
Switched mode power supplies, uninterruptible power supplies, heating, induction heating, static switches, regulators.
Rectifier transformers: Winding arrangements, ratings, excitation, DC unbalance and AC unbalance, transformer-isolated converters.
Learning Outcomes
On successful completion of this module, a student will be able to:
Teaching Methods
The class contact will consist of lectures, tutorials, and practical sessions. Lectures will introduce new material and provide examples. During the tutorials, students will apply lecture theory to solve related problems. Practical session will be used to familiarise students with laboratory equipment and develop their practical skills. Whenever possible, guest lecturers (industry professional and/or researchers) will deliver seminars to the students in which they will share their personal and professional experience.
Assessment Methods
The module is assessed through one short test, one coursework, and one final exam.
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