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Distribution feeder voltage support and power factor control by distributed multiple inverters

Perera, Lasantha B., Ledwich, Gerard, & Ghosh, Arindam (2011) Distribution feeder voltage support and power factor control by distributed multiple inverters. In Electrical Power and Energy Conference (EPEC) 2011 IEEE, 3-5 Oct. 2011 , Winnipeg, Manitoba Canada .

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Abstract

The potential of distributed reactive power control to improve the voltage profile of radial distribution feeders has been reported in literature by few authors. However, the multiple inverters injecting or absorbing reactive power across a distribution feeder may introduce control interactions and/or voltage instability. Such controller interactions can be alleviated if the inverters are allowed to operate on voltage droop. First, the paper demonstrates that a linear shallow droop line can maintain the steady state voltage profile close to reference, up to a certain level of loading. Then, impacts of the shallow droop line control on line losses and line power factors are examined. Finally, a piecewise linear droop line which can achieve reduced line losses and close to unity power factor at the feeder source is proposed.

Impact and interest:

1 citations in Scopus
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ID Code: 47044
Item Type: Conference Paper
Keywords: distribution feeder , line losses , power factor control , voltage control , voltage profile
DOI: 10.1109/EPEC.2011.6070179
ISBN: 978-1-4577-0405-5
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Power and Energy Systems Engineering (excl. Renewable Power) (090607)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2011 IEEE
Copyright Statement: Copyright 2011 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
Deposited On: 17 Nov 2011 09:13
Last Modified: 17 Nov 2011 09:13

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