随着分布式清洁能源发电技术的发展,传统电力用户逐渐转变为电能产消者,并可采用合作联盟形式参与电力P2P(peer to peer)交易,促进分布式清洁能源就地消纳。该文通过从源端和传输端分别核算碳减排量的方法,构建一类考虑经济效益和环境...随着分布式清洁能源发电技术的发展,传统电力用户逐渐转变为电能产消者,并可采用合作联盟形式参与电力P2P(peer to peer)交易,促进分布式清洁能源就地消纳。该文通过从源端和传输端分别核算碳减排量的方法,构建一类考虑经济效益和环境效益的社会福利函数,研究分布式电能产消者通过合作联盟形式实现社会福利最大化的途径。设计一种依据产消者对联盟社会福利贡献值分配合作剩余的机制,激励产消者合作的积极性以维持联盟的稳定。算例分析表明:相较于P2G(peer-to-grid)交易和非合作P2P交易,产消者以合作联盟方式参与电力P2P交易的社会福利分别提升了62.62%、33.79%。因此,以市场化的方式组建合作联盟参与电力P2P交易并合理分配利益,可挖掘分布式清洁能源就地消纳的潜力,促进能源消费的绿色低碳转型。展开更多
为研究完全去中心化的点对点(peer-to-peer,P2P)能源市场中产消者的最优清算问题,重点解决产消者内部的协作和在P2P市场中实现社会福利最大化的挑战,采用了一种新的平行、分布式的交替方向乘子法(alternating direction method of multi...为研究完全去中心化的点对点(peer-to-peer,P2P)能源市场中产消者的最优清算问题,重点解决产消者内部的协作和在P2P市场中实现社会福利最大化的挑战,采用了一种新的平行、分布式的交替方向乘子法(alternating direction method of multipliers,ADMM),推导出P2P市场的交易机制。该方法考虑每个产消者的效用函数,并引入分布式发电机(distributed generator,DG)和电能存储系统(battery energy storage system,BESS)。算法中每个产消者通过迭代与其相邻的产消者同步交换少量信息,并优化以满足不同的需求。通过对6-peers系统的数值验证,证明了所提出方法的有效性。与基于池的交易机制相比,完全去中心化的P2P问题在单位时间内交易电量提升了160%,社会福利从-9.47元增加到32.43元。展开更多
共享储能联合微网群协同运行模式可使得储能资源高效配置和利用,同时也促进了分布式微电网的灵活调度。针对共享储能联合新能源微网群运行优化问题,提出了基于端到端(peer to peer,P2P)交易的共享储能联合微网群博弈机制,并引入信息间...共享储能联合微网群协同运行模式可使得储能资源高效配置和利用,同时也促进了分布式微电网的灵活调度。针对共享储能联合新能源微网群运行优化问题,提出了基于端到端(peer to peer,P2P)交易的共享储能联合微网群博弈机制,并引入信息间歇决策理论衡量可再生能源不确定性,然后基于主从博弈建立了共享储能联合微网群P2P交易优化模型,最后采用内外部交替迭代的组合分布式算法实现了模型的求解。研究结果表明,引入共享储能运营商后,微网群的总效益提升8.7%。所提出共享储能联合微网群P2P交易机制降低了对大电网的依赖,有助于系统运营的经济性与稳定性的平衡。展开更多
以新能源为主体的电力系统需要灵活性调节资源的支撑,而市场化交易发展不足限制了需求响应灵活调节能力的充分发挥,为此国家出台相关政策积极推进分布式发电市场化交易。在端对端(peer-to-peer,P2P)能源共享市场中,明确需求侧响应意愿...以新能源为主体的电力系统需要灵活性调节资源的支撑,而市场化交易发展不足限制了需求响应灵活调节能力的充分发挥,为此国家出台相关政策积极推进分布式发电市场化交易。在端对端(peer-to-peer,P2P)能源共享市场中,明确需求侧响应意愿与可调度容量,厘清意愿、行为和市场的交互关系,对市场的需求响应策略实施和分布式能量平衡具有重要的意义。在此背景下,提出P2P能源市场下考虑响应意愿动态调整的电动汽车群需求响应策略,基于充放电行为建立了响应意愿量化模型,以表征充放电价格和电池荷电状态(state of charge,SOC)的影响。采用三角隶属度函数描述意愿的不确定程度。P2P市场交易决策分为定量和定价两阶段,定量阶段在考虑响应意愿影响的基础上,建立市场利益最大化的模糊机会约束规划模型,定价阶段根据价格对意愿的影响,提出改进市场中间价(mid-market rate,MMR)定价方法确定市场收益分配机制。考虑光伏出力波动的影响,利用信息间隙决策理论(information gap decision theory,IGDT)建立需求响应策略鲁棒模型。算例分析表明,考虑意愿动态调整的需求响应策略能够合理调用电动汽车群响应能力,提高可调度容量利用率和市场参与者经济利益,促进光伏就近消纳。展开更多
Adding a reputation incentive system to peer-to-peer(P2P)energy transactions can encourage prosumers to regulate their trading behavior,which is important for ensuring the efficiency and reliability of P2P transaction...Adding a reputation incentive system to peer-to-peer(P2P)energy transactions can encourage prosumers to regulate their trading behavior,which is important for ensuring the efficiency and reliability of P2P transactions.This study proposed a P2P transaction mechanism and game optimization model for prosumers involved in distributed energy sources considering reputation-value incentives.First,the deviation of P2P transactions and the non-consumption rate of distributed renewable energy in P2P transactions were established as indicators to quantify the influencing factors of the reputation value,and a reputation incentive model of P2P transactions for prosumers was constructed.Then,the penalty coefficient was applied to the cost function of the prosumers,and a non-cooperative game model of P2P transactions based on the complete information of multi-prosumers was established.Furthermore,the Nash equilibrium problem was transformed into a nonlinear optimization problem by constructing the modified optimal reaction function,and the Nash equilibrium solution of the game was obtained via a relaxation algorithm.Finally,the modified IEEE 33-node test system based on electricity market P2P and an IEEE 123-node test system were used to analyze and verify the cost and P2P participation of prosumers considering the reputation value.The results show that the addition of the reputation incentive system can encourage prosumers to standardize their interactive transaction behavior and actively participate in P2P transactions.It can also improve the operation efficiency of the power grid and promote the perfection of the P2P transaction mechanism.展开更多
文摘随着分布式清洁能源发电技术的发展,传统电力用户逐渐转变为电能产消者,并可采用合作联盟形式参与电力P2P(peer to peer)交易,促进分布式清洁能源就地消纳。该文通过从源端和传输端分别核算碳减排量的方法,构建一类考虑经济效益和环境效益的社会福利函数,研究分布式电能产消者通过合作联盟形式实现社会福利最大化的途径。设计一种依据产消者对联盟社会福利贡献值分配合作剩余的机制,激励产消者合作的积极性以维持联盟的稳定。算例分析表明:相较于P2G(peer-to-grid)交易和非合作P2P交易,产消者以合作联盟方式参与电力P2P交易的社会福利分别提升了62.62%、33.79%。因此,以市场化的方式组建合作联盟参与电力P2P交易并合理分配利益,可挖掘分布式清洁能源就地消纳的潜力,促进能源消费的绿色低碳转型。
文摘为研究完全去中心化的点对点(peer-to-peer,P2P)能源市场中产消者的最优清算问题,重点解决产消者内部的协作和在P2P市场中实现社会福利最大化的挑战,采用了一种新的平行、分布式的交替方向乘子法(alternating direction method of multipliers,ADMM),推导出P2P市场的交易机制。该方法考虑每个产消者的效用函数,并引入分布式发电机(distributed generator,DG)和电能存储系统(battery energy storage system,BESS)。算法中每个产消者通过迭代与其相邻的产消者同步交换少量信息,并优化以满足不同的需求。通过对6-peers系统的数值验证,证明了所提出方法的有效性。与基于池的交易机制相比,完全去中心化的P2P问题在单位时间内交易电量提升了160%,社会福利从-9.47元增加到32.43元。
文摘共享储能联合微网群协同运行模式可使得储能资源高效配置和利用,同时也促进了分布式微电网的灵活调度。针对共享储能联合新能源微网群运行优化问题,提出了基于端到端(peer to peer,P2P)交易的共享储能联合微网群博弈机制,并引入信息间歇决策理论衡量可再生能源不确定性,然后基于主从博弈建立了共享储能联合微网群P2P交易优化模型,最后采用内外部交替迭代的组合分布式算法实现了模型的求解。研究结果表明,引入共享储能运营商后,微网群的总效益提升8.7%。所提出共享储能联合微网群P2P交易机制降低了对大电网的依赖,有助于系统运营的经济性与稳定性的平衡。
文摘以新能源为主体的电力系统需要灵活性调节资源的支撑,而市场化交易发展不足限制了需求响应灵活调节能力的充分发挥,为此国家出台相关政策积极推进分布式发电市场化交易。在端对端(peer-to-peer,P2P)能源共享市场中,明确需求侧响应意愿与可调度容量,厘清意愿、行为和市场的交互关系,对市场的需求响应策略实施和分布式能量平衡具有重要的意义。在此背景下,提出P2P能源市场下考虑响应意愿动态调整的电动汽车群需求响应策略,基于充放电行为建立了响应意愿量化模型,以表征充放电价格和电池荷电状态(state of charge,SOC)的影响。采用三角隶属度函数描述意愿的不确定程度。P2P市场交易决策分为定量和定价两阶段,定量阶段在考虑响应意愿影响的基础上,建立市场利益最大化的模糊机会约束规划模型,定价阶段根据价格对意愿的影响,提出改进市场中间价(mid-market rate,MMR)定价方法确定市场收益分配机制。考虑光伏出力波动的影响,利用信息间隙决策理论(information gap decision theory,IGDT)建立需求响应策略鲁棒模型。算例分析表明,考虑意愿动态调整的需求响应策略能够合理调用电动汽车群响应能力,提高可调度容量利用率和市场参与者经济利益,促进光伏就近消纳。
基金supported by the National Natural Science Foundation of China(U2066211,52177124,52107134)the Institute of Electrical Engineering,CAS(E155610101)+1 种基金the DNL Cooperation Fund,CAS(DNL202023)the Youth Innovation Promotion Association of CAS(2019143).
文摘Adding a reputation incentive system to peer-to-peer(P2P)energy transactions can encourage prosumers to regulate their trading behavior,which is important for ensuring the efficiency and reliability of P2P transactions.This study proposed a P2P transaction mechanism and game optimization model for prosumers involved in distributed energy sources considering reputation-value incentives.First,the deviation of P2P transactions and the non-consumption rate of distributed renewable energy in P2P transactions were established as indicators to quantify the influencing factors of the reputation value,and a reputation incentive model of P2P transactions for prosumers was constructed.Then,the penalty coefficient was applied to the cost function of the prosumers,and a non-cooperative game model of P2P transactions based on the complete information of multi-prosumers was established.Furthermore,the Nash equilibrium problem was transformed into a nonlinear optimization problem by constructing the modified optimal reaction function,and the Nash equilibrium solution of the game was obtained via a relaxation algorithm.Finally,the modified IEEE 33-node test system based on electricity market P2P and an IEEE 123-node test system were used to analyze and verify the cost and P2P participation of prosumers considering the reputation value.The results show that the addition of the reputation incentive system can encourage prosumers to standardize their interactive transaction behavior and actively participate in P2P transactions.It can also improve the operation efficiency of the power grid and promote the perfection of the P2P transaction mechanism.
