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MEng Mechatronic Engineering / Course details

Year of entry: 2024

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Course unit details:
Power Electronics

Course unit fact file
Unit code	EEEN30121
Credit rating	10
Unit level	Level 3
Teaching period(s)	Semester 1
Available as a free choice unit?	No

Overview

Building on the second year Power Electronics, Machines and Drives course, this unit provides a deeper and more specialised treatment of some of the main power electronics circuits and applications: high power DC/DC converters, rectifiers, semiconductor and passive component losses and thermal management, gate drives and single and three-phase DC/AC inverters.

Pre/co-requisites

Unit title	Unit code	Requirement type	Description
Machines, Drives & Power Electronics	EEEN20212	Pre-Requisite	Compulsory

Aims

Develop an understanding of modern power electronic converters and systems, their applications, the analytic skills to characterise circuit operation and synthesis skills for power electronics design.

Learning outcomes

ILO 1 Analyse the 3 classes of DC/DC converter; calculate stresses on components; sketch circuit diagrams and waveforms; determine conduction modes; select circuit parameters. [Developed - Lectures, examples. Assessed: Exam & quiz]

ILO 2 Sketch and explain diagrams and idealised waveforms for uncontrolled diode rectifiers with source inductance and for inverters as active rectifiers for grid integration of sustainable energy sources. [Developed - Lectures, examples. Assessed: Exam]

ILO 3 Calculate steady-state thermal values and losses to determine operating points and ratings of power electronic components. Compare cost and energy to use resources sustainably, effectively, and efficiently. [Developed - Lectures, examples. Assessed: Exam & quiz]

ILO 4 Evaluate strategies for voltage synthesis (Pulse Width Modulation) and current control, and calculate parameters for single- and three- phase inverters. [Developed - Lectures, examples. Assessed: Exam & quiz]

ILO 5 Examine laboratory measurements and simulation results on power converter circuits, interpret waveforms and investigate harmonics. [Developed - Lab. Assessed: Lab]

ILO6 Evaluate the role of power electronics in building a sustainable society, based on electric vehicle and wind generation case studies.

Teaching and learning methods

Lectures using a mix of Powerpoint, worked examples on a visualiser, demonstrations and animations/videos.

In-lecture kahoot on-line quizzes.

On-line assessed quizzes through Blackboard.

Laboratory, with pre-lab simulation using Matlab/Simulink, for comparison with in-lab measurements.

Supporting material, including animations and simulations, on Blackboard.

Assessment methods

Method	Weight
Other	20%
Written exam	80%

Laboratory:

Investigation of single and three phase inverters, with current loop PI tuning.

Weighting: 10%

On-line Quiz (2 equally weighted parts)

Length: 2x3 hours

How and when feedback is provided: Through Blackboard, 1 week after quiz closes. General class feedback also provided on Blackboard.

Weighting: 10%

Feedback methods

Study hours

Scheduled activity hours
Lectures	22
Practical classes & workshops	6
Tutorials	2

Independent study hours
Independent study	70

Teaching staff

Staff member	Role
Cheng Zhang	Unit coordinator
Judith Apsley	Unit coordinator

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