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Voltage Quality Improvement Using Solar Photovoltaic System

Original scientific paper

Journal of Sustainable Development of Energy, Water and Environment Systems
Volume 3, Issue 2, pp 140-150
DOI: http://dx.doi.org/10.13044/j.sdewes.2015.03.0011
Denisa Galzina
Measurement department, HOPS, Zagreb, Croatia


Solar power and wind are the most promising distributed energy sources. The photovoltaic system has attracted significant attention in recent years. Although their benefits are numerous, they are known to create power quality issues, because of the power electronic converters they use. This paper investigates if there is a possibility to improve power quality only by connecting a solar photovoltaic system to the grid, and then gives results of on-site power quality measurements in the grid before and after the connection of the solar photovoltaic system.

Keywords: Voltage quality, Photovoltaic system, Voltage harmonics, Voltage unbalance, Active power filter, Inverter.

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