STANDBY METHOD OF INTEGRATING NEW ENERGY INTO POWER SYSTEMS BASED ON PUMPED STORAGE COORDINATION

Meng Gaojun; Qian Congcong; Yu Linlin; Cheng Yuming; Jia Peng

doi:10.19912/j.0254-0096.tynxb.2023-0911

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Acta Energiae Solaris Sinica ›› 2024, Vol. 45 ›› Issue (10) : 162-170. DOI: 10.19912/j.0254-0096.tynxb.2023-0911

STANDBY METHOD OF INTEGRATING NEW ENERGY INTO POWER SYSTEMS BASED ON PUMPED STORAGE COORDINATION

Meng Gaojun¹, Qian Congcong¹, Yu Linlin², Cheng Yuming², Jia Peng²

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Abstract

After large-scale renewable energy resources integration, the traditional reserve system restricts the renewable energy consumption capacity of power system with high proportion of renewable energy. Therefore, a method of incorporating renewable energy into standby power systems based on the coordination of pumped storage power plants is proposed. Firstly, the improved K-means clustering algorithm is used to generate typical scenarios of renewable energy output prediction in each period. Then, based on the generalized renewable energy prediction deviation risk constraint and the generalized standby power systems abandonment risk constraint, the optimal renewable energy included in the reserve ratio coefficient of each typical scenario in each period is determined. Finally, according to the renewable energy forecast data of each period and the power generation support state of the pumped storage power plants, the optimal proportion coefficient of the renewable energy into the standby power systems is further regulated, and the renewable energy is reasonably incorporated into the standby power systems. The results of the example verify that the proposed method can effectively improve the renewable energy consumption capacity of the power system with high proportion of renewable energy and reduce the abandonment of renewable energy.

Key words

new energy / standby power systems / pumped-hydro energy storage / K-means clustering / risk constraints

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Meng Gaojun, Qian Congcong, Yu Linlin, Cheng Yuming, Jia Peng. STANDBY METHOD OF INTEGRATING NEW ENERGY INTO POWER SYSTEMS BASED ON PUMPED STORAGE COORDINATION[J]. Acta Energiae Solaris Sinica. 2024, 45(10): 162-170 https://doi.org/10.19912/j.0254-0096.tynxb.2023-0911

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