Voltage unbalance reduction in low voltage distribution networks with Rooftop PVs

Shahnia, Farhad; Ghosh, Arindam; Ledwich, G.; zare, F.

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Authors

Shahnia, Farhad

Ghosh, Arindam

Ledwich, G.

zare, F.

Date

2010

Type

Conference Paper

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Citation

Shahnia, F. and Ghosh, A. and Ledwich, G. and zare, F. 2010. Voltage unbalance reduction in low voltage distribution networks with Rooftop PVs, in - (ed), AUPEC 2010, 20th Australasian Universities Power Engineering Conference, Power Quality for the 21st Century, Dec 8 2010. Christchurch, New Zealand: Institute of Electrical and Electronics Engineers ( IEEE ).

Source Title

2010 20th Australasian Universities Power Engineering Conference (AUPEC 2010)

Source Conference

AUPEC 2010, 20th Australasian Universities Power Engineering Conference, Power Quality for the 21st Century

Abstract

Voltage Unbalance (VU) is a power quality issue arising within the low voltage residential distribution networks due to the random location and rating of single-phase rooftop photovoltaic cells (PVs). In this paper, an analysis has been carried out to investigate how PV installations, their random location and power generation capacity can cause an increase in VU. Several efficient practical methods are discussed for VU reduction. Based on this analysis, it has been shown that the installation of a DSTATCOM can reduce VU. In this paper, the best possible location for DSTATCOM and its efficient control method to reduce VU will be presented. The results are verified through PSCAD/EMTDC and Monte Carlo simulations.