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Research on Energy Storage Configuration Method Based on Wind and Solar Volatility
Presented at the International Conference on Power and Energy Systems (ICPES)

Abstract:
Vigorously developing the new energy has become an important measure for our country's energy strategy adjustment and transformation of the power development mode. However, it provides significant challenges to the grid for their large-scale integration because of their random and volatile characteristics, such as wind power and photovoltaics. The introduction of energy storage devices can improve this situation effectively, to promote the large-scale application of new energy. Based on the historical wind and solar data of the National Wind and Solar Storage and Transportation Demonstration Project, this paper analyzes the 15-minute and 10-minute fluctuation characteristics of wind and solar power generation. It also studies the control method of energy storage system to improve the friendliness of wind and solar power generation, based on the control strategies such as smoothing new energy output fluctuations, tracking planned power generation, peak shaving and valley filling, and participation in system frequency modulation.