基于混合博弈的多能源微电网低碳运行优化
首发时间:2023-11-14
摘要:针对配电网下多能源微电网(multi-energy microgrid,MEMG)低碳运行时的协同优化问题,构建以各自主体收益最大化为目标的混合博弈模型,旨在通过配电网运营商(distributed system operator,DSO)制定电能价格以协调MEMG联盟的储能充放、负荷需求响应以及成员间的点对点(peer-to-peer,P2P)电能交易和热能交易。首先,建立了内嵌MEMG联盟合作博弈的DSO与MEMG联盟主从博弈模型。其中,DSO为领导者,以其效益最大化为目标,通过制定电能价格引导MEMG联盟低碳运行;MEMG联盟为跟随者,以其效益最大化为目标,通过合作对DSO的策略进行响应,并且采用广义纳什议价理论按照联盟成员各主体的贡献度来公平分配联盟的收益。接着,利用遗传算法结合交替方向乘子法(alternating direction multiplier method,ADMM)求解所建模型。结果表明,该混合博弈模型不仅有效协调了MEMG联盟的低碳运行,而且按照联盟成员贡献度"非对称"分配合作产生的收益能提高联盟成员进行合作的积极性。
关键词: 电工理论与新技术 多能源微电网 混合博弈 广义纳什议价 议价能力 碳交易
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Low-carbon Operation Optimization of Multi-energy Microgrid Based on Hybrid Game
Abstract:Aiming at the collaborative optimization problem of low-carbon operation of multi-energy microgrid (MEMG) under distribution network, a hybrid game model with the goal of maximizing the benefits of each entity is constructed, aiming to formulate the power price through the distributed system operator (DSO) to coordinate the MEMG alliance\'s energy storage charging and discharging, load demand response, and peer-to-peer (P2P) electrical energy trading and thermal energy trading. Firstly, a DSO and MEMG alliance master-slave game model embedded in MEMG alliance cooperative game is established. Among them, DSO is the leader, aiming to maximize its benefits, and guides the low-carbon operation of the MEMG alliance by setting electricity prices; The MEMG alliance is a follower, aiming to maximize its benefits, responding to DSO\'s strategy through cooperation, and using generalized Nash bargaining theory to fairly distribute the benefits of the Alliance according to the contribution of each subject of the alliance members. Next, the genetic algorithm combined with the alternating direction multiplier method (ADMM) is used to solve the proposed model. The results show that the hybrid game model not only effectively coordinates the low-carbon operation of the MEMG alliance, but also distributes the benefits generated by cooperation according to the "asymmetric" contribution of alliance members, which can improve the enthusiasm of Alliance members.
Keywords: Electrical Theory and New Technologies multi-energy microgrid hybrid game theory generalized nash bargaining theory bargaining power carbon trading
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