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Impact of PV Storage Systems on Low Voltage Grids – A Study on the Influence of PV Storage Systems on the Voltage Symmetry of the Grid

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 2012 English Publisher:WIP

Authors: Armin Uwe Schmiegel; J. von Appen; Martin Braun;

doi: 10.4229/27theupvsec2012-5co.8.4

Impact of PV Storage Systems on Low Voltage Grids – A Study on the Influence of PV Storage Systems on the Voltage Symmetry of the Grid

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Abstract

Changing PV market conditions foster the use of PV storage systems and bring new challenges to the grid. This paper analyzes the influence of PV and PV battery systems on the voltage unbalance and the voltage magnitude. Different system topologies are evaluated by simulating their behavior in two different test grids. A sensitivity analysis is performed varying the size of the PV system, the size of the battery, the grid penetration of the systems and the phase connection. The analysis shows that voltage unbalance problems can occur in case of same phase connection of the systems. The results suggest that PV battery systems mitigate the problem for the two example grids depending on the PV power and battery size. For grids with equally distributed phase connections of either PV or PV battery systems, no violations of the voltage unbalance criterion are observed.

27th European Photovoltaic Solar Energy Conference and Exhibition; 3822-3828

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Keywords

Large PV Power Plants and Distributed PV: System Aspects and Grid Connection, PV Systems

Impact byBIP!

	citations This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	5
	popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.	Average
	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Average