针对分布式能源储存困难,储能罐容量小,能源利用效率低的问题,建立微网储能拓扑模型,通过增加容量罐和分配能源类型的形式扩充储能容量,设计逻辑运输方式,将储存系统与用户需求相互连通,由各种信号共同控制能源运输。采用Nash均衡算法...针对分布式能源储存困难,储能罐容量小,能源利用效率低的问题,建立微网储能拓扑模型,通过增加容量罐和分配能源类型的形式扩充储能容量,设计逻辑运输方式,将储存系统与用户需求相互连通,由各种信号共同控制能源运输。采用Nash均衡算法制定储存系统均衡策略,并通过公式计算能源利用效率。通过VMWare Player 16软件虚拟储能过程。实验表明,该研究设计的能源储能系统储能容量为867.59 MW,最大能源利用率达到88.3%,计算误差为0.86%。展开更多
For the low utilization rate of photovoltaic power generation,taking a new energy power system constisting of concentrating solar power(CSP),photovoltaic power(PP)and battery energy storage system as an example,a mult...For the low utilization rate of photovoltaic power generation,taking a new energy power system constisting of concentrating solar power(CSP),photovoltaic power(PP)and battery energy storage system as an example,a multi-objective optimization scheduling strategy considering energy storage participation is proposed.Firstly,the new energy power system model is established,and the PP scenario generation and reduction frame based on the autoregressive moving average model and Kantorovich-distance is proposed.Then,based on the optimization goal of the system operation cost minimization and the PP output power consumption maximization,the multi-objective optimization scheduling model is established.Finally,the simulation results show that introducing energy storage into the system can effectively reduce the system operation cost and improve the utilization efficiency of PP.展开更多
Microgrids integrate distributed renewable energy resources, controllable loads and energy storage in a more economic and reliable fashion. Battery energy storage units are essential for microgrid operation, which mak...Microgrids integrate distributed renewable energy resources, controllable loads and energy storage in a more economic and reliable fashion. Battery energy storage units are essential for microgrid operation, which make microgird become a strong coupling system in the time domain. Hence, the traditional methods of static dispatch are no longer suitable for microgrids. This paper proposes a dynamic economic dispatch method for microgrids. Considering microgrid as a discrete time system, the dynamic economic dispatch is to find the optimal control strategy for the system in finite time period. Based on this idea, the dynamic economic dispatch model for microgrids is established, and then the corresponding dynamic programming algorithm is designed. Finally, an example of microgrid is given, and the dynamic economic dispatch results are compared with that of the static dispatch. The comparison confirms the effectiveness of the proposed dynamic dispatch method.展开更多
文摘针对分布式能源储存困难,储能罐容量小,能源利用效率低的问题,建立微网储能拓扑模型,通过增加容量罐和分配能源类型的形式扩充储能容量,设计逻辑运输方式,将储存系统与用户需求相互连通,由各种信号共同控制能源运输。采用Nash均衡算法制定储存系统均衡策略,并通过公式计算能源利用效率。通过VMWare Player 16软件虚拟储能过程。实验表明,该研究设计的能源储能系统储能容量为867.59 MW,最大能源利用率达到88.3%,计算误差为0.86%。
基金Science and Technology Project of State Grid Corporation of China(No.SGGSKY00FJJS1800140)。
文摘For the low utilization rate of photovoltaic power generation,taking a new energy power system constisting of concentrating solar power(CSP),photovoltaic power(PP)and battery energy storage system as an example,a multi-objective optimization scheduling strategy considering energy storage participation is proposed.Firstly,the new energy power system model is established,and the PP scenario generation and reduction frame based on the autoregressive moving average model and Kantorovich-distance is proposed.Then,based on the optimization goal of the system operation cost minimization and the PP output power consumption maximization,the multi-objective optimization scheduling model is established.Finally,the simulation results show that introducing energy storage into the system can effectively reduce the system operation cost and improve the utilization efficiency of PP.
文摘Microgrids integrate distributed renewable energy resources, controllable loads and energy storage in a more economic and reliable fashion. Battery energy storage units are essential for microgrid operation, which make microgird become a strong coupling system in the time domain. Hence, the traditional methods of static dispatch are no longer suitable for microgrids. This paper proposes a dynamic economic dispatch method for microgrids. Considering microgrid as a discrete time system, the dynamic economic dispatch is to find the optimal control strategy for the system in finite time period. Based on this idea, the dynamic economic dispatch model for microgrids is established, and then the corresponding dynamic programming algorithm is designed. Finally, an example of microgrid is given, and the dynamic economic dispatch results are compared with that of the static dispatch. The comparison confirms the effectiveness of the proposed dynamic dispatch method.