Compensation of distribution system voltage using DVR

Ledwich, Gerard F. & Ghosh, Arindam (2002) Compensation of distribution system voltage using DVR. IEEE Transactions on Power Delivery, 17(4), pp. 1030-1036.

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Abstract

A dynamic voltage restorer (DVR) is a power-electronic controller that can protect sensitive loads from disturbances in the supply system. In this paper, it is demonstrated that this device can tightly regulate the voltage at the load terminal against imbalance or harmonic in the source side. The behavior of the device is studied through steady-state analysis, and limits to achievable performance are found. This analysis is extended to the study of transient operation where the generation of the reference voltage of the DVR is discussed. Once the reference signals are generated, they are tracked using a switching band scheme. A suitable structure in which the DVR is realized by voltage-source inverters (VSIs) is also discussed. Particular emphasis to the rating of this device is provided. Extensive simulation results are included to illustrate the operating principles of a DVR.

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ID Code: 9920
Item Type: Journal Article
Refereed: Yes
Keywords: compensation, invertors power distribution control switching voltage control
DOI: 10.1109/TPWRD.2002.803839
ISSN: 0885-8977
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2002 IEEE
Copyright Statement: Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Deposited On: 03 Oct 2007 00:00
Last Modified: 09 Jun 2010 12:47

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