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Sensitivity analysis of voltage imbalance in distribution networks with rooftop PVs

Shahnia, F., Majumder, R., Ghosh, A., Ledwich, G. and Zare, F. (2010) Sensitivity analysis of voltage imbalance in distribution networks with rooftop PVs. In: IEEE PES General Meeting, 25 - 29 July 2010, Minneapolis, MN

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Link to Published Version: http://dx.doi.org/10.1109/PES.2010.5590149
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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.

Publication Type: Conference Paper
URI: http://researchrepository.murdoch.edu.au/id/eprint/32638
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