Evaluation of Renewable Energy Accommodation Capacity of High Voltage Distribution Networks Considering Regulation Potential of Flexible Resources

doi:10.11930/j.issn.1004-9649.202010035

Abstract

Abstract: The rapid growth of grid-connected installed capacity of wind power and photovoltaic power has brought great challenges to the safe operation of the power system. Exploiting the flexible resources of the power grid is an effective way to ensure the healthy development of renewable energy. Therefore, this paper proposes an evaluation method for accommodation capacity of high voltage distribution networks considering the regulation potential of flexible resources. Firstly, a set of typical scenarios of wind power, photovoltaic and load are produced based on the fuzzy C-means clustering algorithm. Then, taking into account the flexibility of hydropower and power grid, a renewable energy planning model is established with the maximum renewable energy accommodation capacity of distribution networks as objective and with a comprehensive consideration of the normal operation states and the N–1 contingency states of distribution networks. Finally, the effectiveness of the proposed model and method are verified through case study of an 110 kV high voltage distribution network.

Key words: generation flexibility, grid flexibility, renewable energy planning, typical scenarios, N–1 contingency states

CLC Number:

TM315

WANG Lili, WANG Hao, REN Zhouyang, SUN Yihao. Evaluation of Renewable Energy Accommodation Capacity of High Voltage Distribution Networks Considering Regulation Potential of Flexible Resources[J]. Electric Power, 2022, 55(10): 124-131.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202010035

https://www.electricpower.com.cn/EN/Y2022/V55/I10/124

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