随着用户侧大量分布式发电设备的接入,通过共享储能资源实现用电需求的时空转移成为重要趋势。分散式交易机制能满足多主体交易中对隐私保护的需求,但由于信息不对称,难以避免参与者出现投机等现实问题。该文针对“谎报合作收益”这一投机行为,基于分布式纳什谈判方法,研究低碳园区共享储能优化运行策略。首先,介绍基于合作博弈的共享储能运营模式,分析联盟收益分配中的投机行为,并定义投机指数。其次,构建不对称信息下的纳什谈判多主体投机博弈模型,该模型为广义纳什博弈,并计及决策者风险偏好的差异。最后,提出工厂上报储能的F2S(factory-to-shared energy storage)分布式算法求解该广义纳什均衡,并证明了算法的收敛性。算例结果表明:共享储能模式提高了储能的经济性,降低了园区75.19%的能源成本;投机博弈模型可系统性地分析群体投机现象,随机风险偏好下分配结果偏离76%,表明了监管投机的必要性;所提的F2S算法对参与者策略间的耦合进行了有效协调,可使迭代快速收敛。
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