Power electronics building blocks

Ng, Aik Kiat (1999). Power electronics building blocks Honours Thesis, School of Computer Science and Electrical Engineering, The University of Queensland.

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Author Ng, Aik Kiat
Thesis Title Power electronics building blocks
School, Centre or Institute School of Computer Science and Electrical Engineering
Institution The University of Queensland
Publication date 1999
Thesis type Honours Thesis
Supervisor Dr Geoffrey R Walker
Mr Peter Allen
Total pages 63
Language eng
Subjects 0906 Electrical and Electronic Engineering
Formatted abstract

Power electronics is a very important field in modern day electronics. There are many power electronic modules that get used over and over again in the field of research and education. It would be ideal if these modules were made readily available. Instead of rebuilding these modules from scratch, specific power electronic modules could be selected to perform the desired task. This will reduce the time spent on rebuilding and troubleshooting. Dc/Dc converters are frequently used in the field of power electronics as rectifiers and inverters to perform voltage regulation. The most common form of a Dc/Dc converter is the switched mode converter. As the name implies, switches are utilised to achieve the desired output regulation. The switch duty ratio is controlled by means of pulse-width modulation, which is the most common form of control technique.

This paper focuses on the design of a Dc/Dc converter that can be cascaded with a PWM module to illustrate the concept of power electronics building blocks. A Class C chopper circuit is to be constructed to perform voltage regulation in the buck, boost and buck-boost mode. The half-bridge circuit would be able to be configured to operate in the three modes through selection of the transistor and diode pair. The selected conduction “path” would determine the mode of operation.

Keyword Dc/Dc converter
Power electronic modules
Additional Notes * 4th year electrical engineering theses and information technology abstracts. 1999

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Created: Tue, 28 May 2013, 09:40:42 EST by Mr Yun Xiao on behalf of Scholarly Communication and Digitisation Service