Power quality and EMC issues in power electronics

Abstract

The thesis investigates into the ramification of using switching devices in modern power electronic circuits, from power quality point of view. Although electromagnetic compatibility is still considered (at least in power electronics area) as a branch of power quality, it deserves to be treated as an independent area of interest. However, the main question is: should electromagnetic compatibility/interference (in power electronics) be investigated as a part of power quality criterion or not? The reason for this inevitable linkage is that "power quality" has been used as an indication of the variation of the voltage, current and frequency on the power system, and in most cases these same variations are the sources of electromagnetic compatibility concern. fu this study, the effect of the growing use of switching technology has been studied by highlighting the various advantages of this technology while pointing towards the possible harmful effects of such devices. However, it does not mean that this technology should be disregarded, but with the good understanding of the nature of these problems and by dealing with them at design level, their impact on the level of performance of power equipment can be controlled and limited to an acceptable level, determined by various regulations and standards. This study proves that prior to any design project, a proper understanding of the possible problematic effects of the use of switching technology, can lead to cost savings and result in a satisfactory design.

Date of Award	2000
Original language	English
Awarding Institution	Western Sydney University
Supervisor	Mahmood Nagrial (Supervisor)