As new power systems and dual carbon policies develop,virtual power plant cluster(VPPC)provides another reliable way to promote the efficient utilization of energy and solve environmental pollution problems.To solve t...As new power systems and dual carbon policies develop,virtual power plant cluster(VPPC)provides another reliable way to promote the efficient utilization of energy and solve environmental pollution problems.To solve the coordinated optimal operation and low-carbon economic operation problem in multi-virtual power plant,a multi-virtual power plant(VPP)electricity-carbon interaction optimal scheduling model considering integrated demand response(IDR)is proposed.Firstly,a multi-VPP electricity-carbon interaction framework is established.The interaction of electric energy and carbon quotas can realize energy complementarity,reduce energy waste and promote low-carbon operation.Secondly,in order to coordinate the multiple types of energy and load in VPPC to further achieve low-carbon operation,the IDR mechanism based on the user comprehensive satisfaction(UCS)of electricity,heat as well as hydrogen is designed,which can effectively maintain the UCS in the cluster within a relatively high range.Finally,the unit output scheme is formulated to minimize the total cost of VPPC and the model is solved using theCPLEX solver.The simulation results showthat the proposed method effectively promotes the coordinated operation among multi-VPP,increases the consumption rate of renewable energy sources and the economics of VPPC and reduces carbon emissions.展开更多
The main objective of electricity regulators when establishing electricity markets is to decrease the cost of electricity through competition. However, this scenario cannot be achieved without a full participation of ...The main objective of electricity regulators when establishing electricity markets is to decrease the cost of electricity through competition. However, this scenario cannot be achieved without a full participation of the electricity demand by reacting against electricity prices. The aim of this research is to develop tools for helping customers and aggregators to join price and demand response programs, while helping them to hedge against the risk of short-term price volatility. In this way, the capacity of and hybrid methodology (Self-Organizing Maps and Statistical Ward's Linkage) to classify high electricity market prices is analysed. Besides, with the help of Non-Parametric Estimation, some price-patterns were found in the abovementioned clusters. The contained knowledge within these patterns supplies customer market-based information on which to base its energy use decisions. The interest for this participation of customers in markets is growing in developed countries to obtain a higher elasticity in demand. Results show the capability of this approach to improve data management and select coherent policies to accomplish cleared demand offers amongst different price scenarios in a more flexible way.展开更多
针对传统电动汽车集群调度过程中未能充分考虑用户响应度及其影响因素对可调度容量影响的问题,提出了计及用户响应度的电动汽车充放电调度策略。首先基于用户出行数据,对电动汽车集群的充电负荷模型进行建模;其次建立了基于韦伯-费希纳...针对传统电动汽车集群调度过程中未能充分考虑用户响应度及其影响因素对可调度容量影响的问题,提出了计及用户响应度的电动汽车充放电调度策略。首先基于用户出行数据,对电动汽车集群的充电负荷模型进行建模;其次建立了基于韦伯-费希纳定律的电动汽车用户响应度模型,并综合考虑聚合商设定的充放电价和车辆荷电状态(state of charge,SOC)对用户充放电响应度的影响;最终将聚合商设定的充放电价与电动汽车的充放电功率作为决策变量,统筹考虑电网、聚合商以及电动汽车用户的三方收益,构建以最小化配电网负荷波动、最小化用户充电成本和最大化聚合商收益为目标的电动汽车充放电优化调度模型,采用粒子群优化算法(particle swarm optinization,PSO)求解该优化问题。通过算例结果表明,该模型能够在实现削峰填谷的同时,保证了聚合商以及电动汽车用户的利益。展开更多
基金supported by the National Natural Science Foundation of China (NSFC) (Grant No.52107107).
文摘As new power systems and dual carbon policies develop,virtual power plant cluster(VPPC)provides another reliable way to promote the efficient utilization of energy and solve environmental pollution problems.To solve the coordinated optimal operation and low-carbon economic operation problem in multi-virtual power plant,a multi-virtual power plant(VPP)electricity-carbon interaction optimal scheduling model considering integrated demand response(IDR)is proposed.Firstly,a multi-VPP electricity-carbon interaction framework is established.The interaction of electric energy and carbon quotas can realize energy complementarity,reduce energy waste and promote low-carbon operation.Secondly,in order to coordinate the multiple types of energy and load in VPPC to further achieve low-carbon operation,the IDR mechanism based on the user comprehensive satisfaction(UCS)of electricity,heat as well as hydrogen is designed,which can effectively maintain the UCS in the cluster within a relatively high range.Finally,the unit output scheme is formulated to minimize the total cost of VPPC and the model is solved using theCPLEX solver.The simulation results showthat the proposed method effectively promotes the coordinated operation among multi-VPP,increases the consumption rate of renewable energy sources and the economics of VPPC and reduces carbon emissions.
文摘The main objective of electricity regulators when establishing electricity markets is to decrease the cost of electricity through competition. However, this scenario cannot be achieved without a full participation of the electricity demand by reacting against electricity prices. The aim of this research is to develop tools for helping customers and aggregators to join price and demand response programs, while helping them to hedge against the risk of short-term price volatility. In this way, the capacity of and hybrid methodology (Self-Organizing Maps and Statistical Ward's Linkage) to classify high electricity market prices is analysed. Besides, with the help of Non-Parametric Estimation, some price-patterns were found in the abovementioned clusters. The contained knowledge within these patterns supplies customer market-based information on which to base its energy use decisions. The interest for this participation of customers in markets is growing in developed countries to obtain a higher elasticity in demand. Results show the capability of this approach to improve data management and select coherent policies to accomplish cleared demand offers amongst different price scenarios in a more flexible way.
文摘针对传统电动汽车集群调度过程中未能充分考虑用户响应度及其影响因素对可调度容量影响的问题,提出了计及用户响应度的电动汽车充放电调度策略。首先基于用户出行数据,对电动汽车集群的充电负荷模型进行建模;其次建立了基于韦伯-费希纳定律的电动汽车用户响应度模型,并综合考虑聚合商设定的充放电价和车辆荷电状态(state of charge,SOC)对用户充放电响应度的影响;最终将聚合商设定的充放电价与电动汽车的充放电功率作为决策变量,统筹考虑电网、聚合商以及电动汽车用户的三方收益,构建以最小化配电网负荷波动、最小化用户充电成本和最大化聚合商收益为目标的电动汽车充放电优化调度模型,采用粒子群优化算法(particle swarm optinization,PSO)求解该优化问题。通过算例结果表明,该模型能够在实现削峰填谷的同时,保证了聚合商以及电动汽车用户的利益。