Abstract

Traditionally, power systems are designed to operate in a unidirectional power flow. In the past few years, solar Photovoltaic (PV) systems have grown rapidly driven by its potential technical and economic benefits. These include higher network utilization, enhanced reliability and loss reduction. However, the PV generation depends directly to the sun's radiation. Thus, the intermittent fluctuations may potentially cause problems to the network operation especially in high penetration levels. In addition, the voltage fluctuation and power quality issues may limit the PV penetration level and hence mitigation measures are needed to alleviate the potential problems. In this paper, the impact of PV on the distribution network in term of voltage performance and losses has been investigated by using the OpenDss simulator tool. Mitigation strategy has also been proposed to control the voltage fluctuation that caused by the PV plants. IEEE 13-bus test system was used to perform the case study

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