Optimal Penetration of Photovoltaic Systems in Distribution Networks

Abstract:

The penetration level of a PV system is often limited due to the violation of voltage variation introduced by the large intermittent power generation. This paper discusses the use of an active power curtailment strategy to reduce PV power injection during peak solar irradiation to prevent voltage violation so that the PV penetration level of a distribution feeder can be increased to fully utilize solar energy. When using the proposed voltage control scheme for limiting PV power injection into the study distribution feeder during high solar irradiation periods, the total power generation and total energy delivered by the PV system over a 1-year period are determined according to the annual duration of solar irradiation. With the proposed voltage control to perform the partial generation rejection of PV systems, the optimal installation capacity of PV systems can be determined by maximizing the net present value of the system so that better cost effectiveness of the PV project and better utilization of solar energy can be obtained.

• Periodical: Applied Mechanics and Materials (Volumes 479-480)
• Pages: 590-594
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.479-480.590
• Online since: December 2013
• Authors: Wei Lin Hsieh, Chia Hung Lin, Chao Shun Chen, Cheng Ting Hsu, Chin Ying Ho, Hui Jen Chuang
• Keywords: Net Present Value, Payback Year, Photovoltaic (PV)

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