Voltage unbalance reduction in low voltage feeders by dynamic switching of residential customers among three phases

Shahnia, Farhad, Wolfs, Peter, & Ghosh, Arindam (2013) Voltage unbalance reduction in low voltage feeders by dynamic switching of residential customers among three phases. In 2013 IEEE Power and Energy Society General Meeting (PES), IEEE, Marriott Pinnacle, Vancouver, BC, pp. 1-5.

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Low voltage distribution feeders with large numbers of single phase residential loads experience severe current unbalance that often causes voltage unbalance problems. The addition of intermittent generation and new loads in the form of roof top photovoltaic generation and electric vehicles makes these problems even more acute. In this paper, an intelligent dynamic residential load transfer scheme is proposed. Residential loads can be transferred from one phase to another phase to minimize the voltage unbalance along the feeder. Each house is supplied through a static transfer switch with three-phase input and single-phase output connection. The main controller, installed at the transformer will observe the power consumption in each load and determine which house(s) should be transferred from one phase to another in order to keep the voltage unbalance in the feeder at a minimum. The efficacy of the proposed load transfer scheme is verified through MATLAB and PSCAD/EMTDC simulations.

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ID Code: 68369
Item Type: Conference Paper
Refereed: Yes
Keywords: Distribution feeder, Load transfer, Static switch, Voltage unbalance
DOI: 10.1109/PESMG.2013.6672798
ISSN: 1944-9925
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 IEEE
Copyright Statement: 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: 12 Mar 2014 23:35
Last Modified: 14 Mar 2014 00:12

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