The Optimal Allocation Strategy of Pumped Storage for the Collaborative Operation with Wind/Solar Generation

doi:10.11930/j.issn.1004-9649.202107006

Abstract

Abstract: Cross-regional transmission of large-scale renewable power generation is an inevitable requirement to deal with the reverse distribution characteristics of domestic wind/solar resources and load centers as well as to achieve carbon neutrality. However, the inherent randomness, intermittence, and volatility of wind/solar generation bring challenges to the transmission and accommodation of renewable power generation. Hydropower, which could serve as both the power source and energy storage, provides a solution for calming the fluctuation of renewable power generation, so as to improve the flexibility of wind-photovoltaic(PV)-hydropower hybrid energy system. Based on the wind-PV-pumped storage hybrid energy system, this paper proposes a capacity allocation method to quantify the effect of pumped storage on renewable power generation delivery, where the operation constraints, capacity constraints, water inflow/outflow constraints are considered. The planning model of minimizing the investment cost of pumped storage and meeting the requirements of each typical operating scenario is constructed and solved.

Key words: pumped storage, renewable energy, bundling and stable transmission, cluster analysis, capacity allocation

SANG Linwei, WEI Xuan, XU Yinliang, SUN Hongbin. The Optimal Allocation Strategy of Pumped Storage for the Collaborative Operation with Wind/Solar Generation[J]. Electric Power, 2022, 55(12): 86-90,123.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202107006

https://www.electricpower.com.cn/EN/Y2022/V55/I12/86

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