Analysis of the Impact of Distributed Grid-Connected PV System on Power Quality of the Electrical Distribution Network

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Electricity generation from solar energy by using PV cells is drastically increased due to global warming concern, greenhouse effect, and quality of living standards. However, PV generation may offer variable and unpredictable energy output due to intermittent nature of solar irradiance and hence, integration of PV into grid may provide some drawback effect to the power system. The aim of this paper is to investigate the impact of grid connected PV system on the power quality of distribution network. The power quality analysis is based on real measurements of 10 kWp, Energy Park SERT, School of Renewable Energy, Naresuan University, Thailand. Parameters such as active and reactive power, voltage, current, power factor, THDv, THDi, individual harmonic voltage and harmonic current are observed for the investigation of the interaction between SERT PV system and distribution network’s power quality. According to the measured data, PV system operation is negligible in terms of voltage distortion, voltage magnitude and frequency variation. Therefore, it can be noticed that 10 kWp SERT PV system does not effect on the distribution system power quality due to low PV penetration level.

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Edited by:

Pupong Pongcharoen

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124-129

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M. M. Yee and C. Sirisamphanwong, "Analysis of the Impact of Distributed Grid-Connected PV System on Power Quality of the Electrical Distribution Network", Applied Mechanics and Materials, Vol. 839, pp. 124-129, 2016

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June 2016

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