風力発電が大量に導入された場合の電力貯蔵装置と周波数制御の協調運転に関する研究

概要

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Wind power generation is a major renewable energy source and its use has been increasing due to problems of global warming and fossil fuel depletion. However, the output of wind power generation depends on weather conditions and power system frequency fluctuates with the output fluctuation of wind power generation. This paper shows through simulation the existing frequency control is insufficient when large wind power generation is installed in a power system. A power system of 5,000MW capacity with governor free control of 150MW capacity and load frequency control of 100MW capacity is assumed for the study, and a wind power generation of 500MW capacity is assumed. A battery energy storage system is added for the frequency control in the power system. Furthermore frequency control functions of the battery energy storage system are studied and a suitable control is proposed which coordinates with conventional frequency controllers.
2011-10-30