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Mitigating Voltage Violations Caused by Rooftop Solar PV Systems in LV Distribution Networks: A Case Study

Authors:

P. L. Y. L. B. Guneratne ,

University of Moratuwa, LK
About P. L. Y. L. B.
Department of Electrical Engineering
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A. D. Antony,

University of Moratuwa, LK
About A. D.
Department of Electrical Engineering
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A. W. H. S. Abeygunaseakara,

University of Moratuwa, LK
About A. W. H. S.
Department of Electrical Engineering
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R. M. M. R. Rathnayake,

Resource Management Associates (Pvt) Ltd, LK
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T. M. N. P. Jayawardana

Ceylon Electricity Board, LK
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Abstract

Distributed generation (DG) in power systems have become financially attractive. The number of grid-connected roof-top solar photovoltaic (PV) systems in Sri Lanka has exceeded 30,000 units by the end of 2021. Voltage violations attributed to PV systems have been reported in urban areas, requiring detailed analyses of impacts on the operation of these networks. This paper presents the case of a LV distribution network in Wennappuwa in north-western Sri Lanka. The study evaluates solutions to manage the voltage rise in the LV distribution network caused by roof-top solar PV systems under different scenarios.
How to Cite: Guneratne, P.L.Y.L.B., Antony, A.D., Abeygunaseakara, A.W.H.S., Rathnayake, R.M.M.R. and Jayawardana, T.M.N.P., 2021. Mitigating Voltage Violations Caused by Rooftop Solar PV Systems in LV Distribution Networks: A Case Study. SLEMA Journal, 24(2), pp.1–6. DOI: http://doi.org/10.4038/slemaj.v24i2.29
Published on 30 Dec 2021.
Peer Reviewed

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