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Sensitivity analysis of voltage imbalance in distribution networks with rooftop PVs

Shahnia, Farhad, Majumder, Ritwik, Ghosh, Arindam, Ledwich, Gerard, & Zare, Firuz (2010) Sensitivity analysis of voltage imbalance in distribution networks with rooftop PVs. In Proceedings of IEEE General Meeting 2010 : Power Systems Engineering in Challenging Times, Minneapolis Convention Center, Minneapolis, Minnesota. (In Press)

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Abstract

A comprehensive voltage imbalance sensitivity analysis and stochastic evaluation based on the rating and location of single-phase grid-connected rooftop photovoltaic cells (PVs) in a residential low voltage distribution network are presented. The voltage imbalance at different locations along a feeder is investigated. In addition, the sensitivity analysis is performed for voltage imbalance in one feeder when PVs are installed in other feeders of the network. A stochastic evaluation based on Monte Carlo method is carried out to investigate the risk index of the non-standard voltage imbalance in the network in the presence of PVs. The network voltage imbalance characteristic based on different criteria of PV rating and location and network conditions is generalized. Improvement methods are proposed for voltage imbalance reduction and their efficacy is verified by comparing their risk index using Monte Carlo simulations.

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ID Code: 31061
Item Type: Conference Paper
Keywords: Voltage Imbalance, single-phase Rooftop PV, Distribution Network, Sensitivity Analysis, Stochastic Evaluation
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ENVIRONMENTAL ENGINEERING (090700)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Past > Schools > School of Engineering Systems
Copyright Owner: Copyright 2010 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: 26 Feb 2010 07:44
Last Modified: 01 Mar 2012 00:26

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