Day-Ahead Optimal Dispatch for Active Distribution Network Considering Action Cost of Devices

doi:10.11930/j.issn.1004-9649.202208112

Abstract

Abstract: In order to reduce the cost of active distribution network day-ahead optimization scheduling, a method of active distribution network day-ahead optimization scheduling considering equipment adjustment cost is proposed. Establish a daily optimal scheduling model with the objective function of minimizing the comprehensive operating cost and the constraints of Distflow branch power flow and equipment safety operation. A new linearization method is proposed to form a mixed integer Linear programming model for nonlinear items such as node voltage fluctuation constraints and energy storage life cost model in the form of Second-order cone programming (SOCP). Simulate and calculate in an improved IEEE-33 node system using the YALMIP/CPLEX tool. The experimental results show that the proposed method can effectively consider the cost factor of energy storage life loss, and the effect is good.

Key words: distribution network, day-ahead dispatch, second-order cone programming, voltage fluctuation

YUE Yuanyuan, WANG Zhuding, WANG Hui, LUO Xuan, SU Zhou, HUI Zijia. Day-Ahead Optimal Dispatch for Active Distribution Network Considering Action Cost of Devices[J]. Electric Power, 2023, 56(8): 136-142.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.202208112

https://www.electricpower.com.cn/EN/Y2023/V56/I8/136

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