Please use this identifier to cite or link to this item: http://hdl.handle.net/11189/3272
Title: Design of a steinmetz symmetrizer and application in unbalanced network
Authors: Arendse, C. 
Atkinson-Hope, Gary 
Keywords: Asymmetrical source;Case studies;Harmonics;Motor life spans;Steinmetz symmetrizer;Superharm;Unbalanced factor
Issue Date: 2010
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Source: Arendse, C. & Atkinson-Hope, G. (2010). Design of a steinmetz symmetrizer and application in unbalanced network. In Proc. Universities Power Engineering Conference (UPEC), Cardiff, Wales, pp 1-6
Abstract: The design of delta and star Steinmetz Symmetrizers and applications in unbalanced three phase 4-wire networks supplied from asymmetrical voltages are studied in this paper. Unbalanced current and harmonics shorten motor life spans. An unbalance factor (mi) is defined and harmonics are studied using Superharm (4-wire) models. Two case studies, 1 & 2 are conducted. Case 1 has 1A and 1B and Case 2 has 2A, 2B & 2C. Study 1A is a laboratory set-up used for measurements and in 1B a delta symmetrizer is applied and compared to hand and simulation results. A second network that includes a delta motor and a 4-wire star load (2A) is analyzed (mi, P, Q, PF and IN) and compared to when a star symmetrizer (2B) is applied. The impact of a VSD (2C) on the motor and neutral when the symmetrizer is applied is also analyzed. Findings on Symmetrizers are made.
URI: http://hdl.handle.net/11189/3272
http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5649885&tag=1
ISBN: 978-1-4244-7667-1
Rights: © Copyright 2010 IEEE
Appears in Collections:Eng - Conference Proceedings

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