NDLI: Choice of Reference Conductor in Three Phase Systems

Content Provider	IEEE Xplore Digital Library
Author	Khalsa, H. Zhang, J.
Copyright Year	2005
Description	Author affiliation: ABB Australia Pty Ltd., Lilydale, VIC (Khalsa, H.)
Abstract	The values of non-active (reactive) and total (apparent) power for three-phase systems change with choice of reference conductor. Presently, the neutral in a four-wire system and virtual neutral in three wire systems is the commonly used reference in definitions. In this paper, it is shown that this is not necessarily the optimal choice of reference. Thus, there is a need to define an optimal reference that has practical value. As a solution to this problem, a new approach to determine the optimal reference is proposed. The approach is simple but effective. It allows extension of single-phase power definitions to 3-phase systems to produce unique values without the need to address balanced and unbalanced cases separately. The resulting definitions can be used to provide optimal non-active power compensation. The performance of this approach is illustrated with a case study. The case study uses three-phase three and four wire systems with different resistive, inductive and capacitive load combinations. The results of case study demonstrate good performance of the new approach.
Starting Page	1
Ending Page	6
File Size	7074568
Page Count	6
File Format	PDF
ISBN	0780393112
DOI	10.1109/TENCON.2005.301106
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-11-21
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Conductors Voltage Australia Reactive power Wire Power engineering computing Power engineering and energy Systems engineering and theory Circuits
Content Type	Text
Resource Type	Article

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