風力発電と電力貯蔵装置併用時における電力システムへの導入効果に関する基礎検討

概要

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Wind power, a renewable and environmentally friendly energy source, is becoming increasingly important and is now considered to be a viable source of alternative energy. In recent years, many large-scale wind farms have been incorporated into power grids. However, one of the biggest problems of wind power is that output cannot be fully controlled due to the output fluctuations of the wind caused by wind gusts. With large-scale integration of wind power into a power grid, the variation of wind power may cause some problems, e.g., voltage instability and frequency control problems, which should be resolved adequately to avoid negative effects on the existing power grid. In this work, the improving-effects such as power leveling and voltage fluctuation control by one of the energy storage systems—EDLC (Electric Double Layer Capacitor) on the properties of wind power generation systems is investigated, and frequency characteristics and transient stability in these cases are verified. The results illustrate the fact that a properly controlled EDLC may bring about good features to wind power generation systems.
社団法人電気学会の論文
2007-05-01