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2017/18 Undergraduate Module Catalogue

ELEC2530 Power Electronics

10 creditsClass Size: 100

Module manager: Dr. Benjamin Chong
Email: B.Chong@leeds.ac.uk

Taught: Semester 1 View Timetable

Year running 2017/18

Module replaces

ELEC2520 Energy Systems and Control

This module is not approved as a discovery module

Module summary

This module covers the topologies and circuit analysis of basic switched-mode power electronic converters, with design and applications examples. It also provides familiarity with the structures and operating characteristics of the main types of semiconductor devices that are used.

Objectives

To learn the basics of three-phase circuits, connections, voltage and current analysis and real and reactive power calculations.
To learn the fundamentals of electricity conversion from the form supplied by the source to the forms required by the load.
To understand power electronic conversion techniques, including the basic converters (DC-DC, AC-DC and DC-AC) and their power switching and control methods.
To learn the methods of circuit analysis applicable to switched mode circuits.
To gain familiarity with the essential properties of the relevant semiconductor devices.
To be able to design simple converters for practical applications.

Learning outcomes
On completion of this module students should:
-understand the three-phase circuit, voltage and current relationships, power calculation in three phase circuits and be able to analyse the balanced three-phase systems;
- understand the principles of power control by switching, the control methods (PWM and phase angle control) and be familiar with commonly used semiconductor switching devices;
- be able to demonstrate a knowledge and understanding of the basic DC-DC, DC-AC and AC-DC converters;
- have gained the skills to perform analyses and design of power converters for practical applications;
-have gained a basic understanding of three-phase circuit, phasors and analysis, calculations of voltage, current, power and power factor.


Syllabus

- Principles of power conversion and control using semiconductor power switches.
- Practical power converter application examples.
- DC-DC buck and boost converters with PWM control, input to output V/I relationships and filter design.

- AC circuit analysis; instantaneous and complex power
- Balanced three-phase circuits.
- Power calculations in balanced three-phase circuits.

- Single phase and three-phase thyristor-controlled line-commutated rectifiers; current and voltage waveforms and analysis; calculation of output filter capacitor.
- Practical power converter design considerations and calculations.
- Definition and evaluation of power factor for a power converter connected to an AC power system.

Lab classes include DC-DC Chopper converter implementation with PWM control.

Teaching methods

Delivery typeNumberLength hoursStudent hours
Lecture221.0022.00
Practical52.0010.00
Seminar51.005.00
Tutorial41.004.00
Private study hours59.00
Total Contact hours41.00
Total hours (100hr per 10 credits)100.00

Private study

By using recommended textbooks, handouts and tutorial sheets provided.

Opportunities for Formative Feedback

(a) By marked tutorials.
(b) By in - semester diagnostic test.
(c) By laboratory reports.

Methods of assessment


Coursework
Assessment typeNotes% of formal assessment
In-course AssessmentTests10.00
PracticalPractical20.00
In-course AssessmentTutorials10.00
Total percentage (Assessment Coursework)40.00

.


Exams
Exam typeExam duration% of formal assessment
Standard exam (closed essays, MCQs etc)2 hr 00 mins60.00
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: 04/10/2017

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