Generator output and static capacitor control considering voltage stability for large penetration of photovoltaic power

Author(s): Atsushi Enomotoa, Shunsuke Aidaa*, Shinichi Iwamotoa, Satoshi Osakib, Nobuyuki Ariyoshib, Kimihiko Shimomurab
WASEDA University, 3-4-1 Okubo Shinjuku-ku, Tokyo 169-8555, Japan
CHUBU Electric Power Company, Japan
International Journal of Smart Grid and Clean Energy, vol. 3, no. 1, January 2014: pp. 57-63
ISSN: 2315-4462
Digital Object Identifier: 10.12720/sgce.3.1.57-63

Abstract: In Japan, the introduction of large capacity of clean energy such as PV (photovoltaic power generation) is planned to reduce environmental burdens. The Japanese government has set the target of 53 GW of PV by 2030. However, large penetration of PV will cause several problems in power systems. One of these problems is that voltage values increase with the amount of PV penetration. Thus, we focus our attention on the upper voltage limit for a large penetration of PV in terms of voltage stability. In this paper, we consider a smart generator output and static capacitor control for the large penetration of PV. For the generator output control we propose to use the optimal power flow in terms of minimizing bus voltage deviations from the prescribed values. Simulations are run using the IEEJ WEST 10-machine O/V system model to confirm the validity of the proposed method.

Keywords: Voltage stability, VMPI, generator output control, static capacitor control, photovoltaic power

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