面向薄弱配电网的农村多能互补系统储能协同优化配置  被引量:4

Coordinated optimal configuration of energy storage in rural multi-energy complementary system for weak distribution networks

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作  者:董福贵[1] 孟子航 郗来昊 王小锋 DONG Fugui;MENG Zihang;CHI Laihao;WANG Xiaofeng(School of Economics and Management,North China Electric Power University,Beijing 102206,China)

机构地区:[1]华北电力大学经济与管理学院,北京102206

出  处:《电力工程技术》2024年第5期13-26,共14页Electric Power Engineering Technology

基  金:北京市社会科学基金资助项目(21JJB012)。

摘  要:位于配电网薄弱区域的农村常常存在供能可靠性不足的问题,导致接入大规模光伏的多能互补系统难以在此类地区广泛开展。储能系统作为新型能源系统融合的纽带,能够有效提升此类地区的供能可靠性。为此,文中提出一种面向薄弱配电网的农村多能互补系统(rural multi-energy complementary system,RMES)储能协同优化配置策略。首先,明确包含生物质废弃物能源转化系统的RMES架构。然后,以系统缺供损失成本作为评判依据,提出一种储能配置评价准则。最后,建立计及储能全生命周期成本的RMES多元储能协同优化配置模型。针对该模型的特性,将其解耦转化为包含规划-运行两阶段的双层优化模型,并采用粒子群算法和Gurobi求解器相结合的混合策略进行求解。算例分析表明,所提储能配置评价准则有效激发了RMES配置储能的积极性。此外,构建的多元储能协同配置模型使得RMES表现出更好的经济效益和环境效益,并且在提升系统运行可靠性方面具有优越性。Rural areas with weak distribution networks often suffer from a lack of energy supply reliability,which makes it difficult to widely implement multi-energy complementary systems connected to large-scale photovoltaic.Energy storage systems,as a link to the integration of new energy systems,can effectively improve the reliability of energy supply in such areas.To this end,a cooperative and optimal configuration strategy for rural multi-energy complementary system(RMES)energy storage for weak distribution networks is proposed.Firstly,the RMES architecture including biomass waste energy conversion system is clarified.Secondly,an energy storage configuration evaluation criterion is proposed using the cost of supply deficiency loss of the system as a judgment basis.Finally,the RMES multi-energy storage cooptimal allocation model is established to take into account the total life cycle cost of energy storage.The model is decoupled and transformed into a two-layer optimization model with two stages of planning operation,and solved by a hybrid strategy combining particle swarm algorithm and Gurobi solver.The analysis of the algorithm shows that the proposed energy storage configuration evaluation criteria effectively motivate RMES to deploy energy storage.In addition,the developed multi-variate energy storage configuration model enables RMES to show better economic and environmental benefits,and is superior in improving system reliability.

关 键 词:农村多能互补系统(RMES) 薄弱配电网 储能配置 生物质利用 系统可靠性 储能全寿命周期成本 

分 类 号:TM715[电气工程—电力系统及自动化]

 

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