周波数変動から見た風力発電導入量の増大に関する研究

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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 depends on weather conditions. Electric power companies are required because of the limitations of wind power generation due to the difficulty of frequency control. In this paper, the maximum amount of wind power generation that is possible to connect to a relatively small power system, in regard to frequency fluctuation is studied. The Results show that the maximum amount of wind power generation is 220MW when a 150MW governor free generator and 100MW load frequency control generator are installed in a power system with 5,000MW capacity. A parameter study to find the influence on the maximum amount of wind power generation is carried out, i.e. wind speed fluctuation, load value fluctuation, and capacity of frequency control. The maximum amount of wind power generation was 260MW, 230MW, and 310MW respectively. However, the amount depends on simulation conditions, the results will be useful for increasing wind power generation.Keywords: wind power generation, frequency fluctuation, governor free, load frequency control
2010-10-30