2018/19 Taught Postgraduate Module Catalogue

ELEC5562M Power Electronics and Drives

15 creditsClass Size: 96

Module manager: Dr. Ben Chong
Email: b.chong@leeds.ac.uk

Taught: Semester 2 (Jan to Jun) View Timetable

Year running 2018/19

This module is not approved as an Elective

Module summary

Power electronics is the technology involving controlled conversion of electrical power. It is used extensively in many applications ranging from mili-watts (those used in portable electronics) to giga-watts (those used in the power transmission through high DC voltages). Whilst power electronics continues to be the vital component for motor drives in automation/robotics and transportation, it is also a key enabling technology for power management in renewable energy systems, future electricity networks and energy storage systems. This module gives students an opportunity to appreciate how power electronics can play an important role in many engineering systems as well as to develop the knowledge and skills required by an engineer working in power electronics.

Objectives

This module gives students an opportunity to explore the applications of power electronics for machines and other conventional electrical systems. It provides students the skills in analysing, designing, simulating and evaluating power converters for the control of various applications.

Learning outcomes
On completion of this module, students should be able to:
• comprehend the principles of a switch-mode power supply and its associated components; explain and analyse how isolated DC-DC converters are used in a switch-mode power supply.
• understand the structure of a DC drive system; analyse chopper controlled and thyristor controlled drives; explain qualitatively and quantitatively the dynamics of a variable speed drive for DC machines.
• develop full understanding on a three phase bridge converter and its control method.
• understand the structure of an AC drive system; apply a three phase bridge converter to control an AC machine under variable-frequency and variable-voltage operations.
• Comprehend the principles of grid connected power electronics; develop understanding on the grid interfacing and control methods for various electrical systems.
• develop the skills in analysing various power electronics systems through simulation models implemented in contemporary computer software.

Syllabus

• Switched-mode power supplies with transformer isolation
• DC machine drives
• Three-phase DC-AC converters
• AC machine drives
• Power electronics for grid connected systems

Teaching methods

Delivery type	Number	Length hours	Student hours
Example Class	4	1.00	4.00
Laboratory	4	3.00	12.00
Lecture	22	1.00	22.00
Private study hours			112.00
Total Contact hours			38.00
Total hours (100hr per 10 credits)			150.00

Private study

Students are expected to use private study time to consolidate the material covered in lectures and to prepare for examples classes and practical classes.

Opportunities for Formative Feedback

Students’ progress is monitored through their performance in the in-course assessments.

Methods of assessment

Coursework

Assessment type	Notes	% of formal assessment
In-course Assessment	Test	20.00
Problem Sheet	Problem Sheet 1	10.00
Problem Sheet	Problem Sheet 2	10.00
Total percentage (Assessment Coursework)		40.00

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Exams

Exam type	Exam duration	% of formal assessment
Standard exam (closed essays, MCQs etc)	3 hr	60.00
Total percentage (Assessment Exams)		60.00

Re-sits for ELEC modules are subject to the rules in the School’s Code of Practice on Assessment. Students should be aware that, for some modules, a re-sit may only be conducted on an internal basis (with tuition) in the next academic session.

Reading list

There is no reading list for this module

Last updated: 24/09/2018

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