太陽光発電を導入した系統電圧変動の対策

概要

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Recently, installation of photovoltaic power generation in distribution network is being advanced in Japan. An output power of the photovoltaic power generation is depend on weather and it is possible to makes power back to a distribution substation. The power back induces voltage rise in the distribution network. However limitation of output power is discussed to suppress distribution network voltage rise, it is a negative way. We try to find two smart methods which do not suppress power output, one is modification of the power factor of photovoltaic power generation and the other is application of Static Voltage Compensator. This paper proposes a suitable power factor of photovoltaic power generation and a suitable Static voltage compensator capacity for suppression of voltage deviation by showing simulation results.
2011-10-30