随着新能源发展不断深入及风电、光伏、地热等形式能源大规模接入,分布式储能作为重要的能量调节组成单元在需求响应侧资源管理及调控变得至关重要。提出一种考虑需求侧响应的分布式储能资源管理及协同调控策略,实现提升分布式储能在电...随着新能源发展不断深入及风电、光伏、地热等形式能源大规模接入,分布式储能作为重要的能量调节组成单元在需求响应侧资源管理及调控变得至关重要。提出一种考虑需求侧响应的分布式储能资源管理及协同调控策略,实现提升分布式储能在电力系统中的调节、响应、调度能力。首先,考虑分布式储能单元充放电及其容量特性,并结合风光波动的系统平衡稳定和分布式储能需求响应目标及资源协同响应情景,构建考虑需求侧响应的分布式储能资源调控模型,针对线路潮流模型的非凸性问题提出二阶锥规划(mixed integer second order conic programming,MISOCP)求解模式。同时,在模型基础上研究考虑分布式储能的资源管理及交互协同调控策略。最后,提出分布式储能资源管理系统开发设计方案,为后续储能参与新型电力系统建设及协同控制提供参考。展开更多
As all generators are distributed in different areas among large scale power systems,the cooperative manipulation of the multi-generator system cannot operate well without consideration of the distance information of ...As all generators are distributed in different areas among large scale power systems,the cooperative manipulation of the multi-generator system cannot operate well without consideration of the distance information of the generators.A distributed step-by-step finite-time consensus scheme for the heterogeneous battery energy storage system(BESS)is proposed in this paper,where the coordinated consensus can come into reality within a limited time,which is appealing for the electrical engineering community.To be concrete,at first,all BESSs are classified into several clusters according to their locations,and in each cluster,there is an active leader in charge of information receiving from outside.Then,in order to coordinate the multi BESSs,five inputs,which are function oriented,were used to achieve energy level balancing,active/reactive power sharing,and the consensus of voltage and frequency of the multi BESSs.Furthermore,the frequency and voltage restoration to the nominal values of the main grid were made possible by the introduction of a virtual leader,which is actually an external leader.Compared with the centralized methods,this control scheme is entirely distributed,and each BESS only utilizes the information of its own and its neighbors.In addition,this control is robust to the load perturbation and the plug-and-play of the communication topology.Finally,some simulation experiments are executed on the modified IEEE 57-bus system to verify the suggested scheme.展开更多
文摘随着新能源发展不断深入及风电、光伏、地热等形式能源大规模接入,分布式储能作为重要的能量调节组成单元在需求响应侧资源管理及调控变得至关重要。提出一种考虑需求侧响应的分布式储能资源管理及协同调控策略,实现提升分布式储能在电力系统中的调节、响应、调度能力。首先,考虑分布式储能单元充放电及其容量特性,并结合风光波动的系统平衡稳定和分布式储能需求响应目标及资源协同响应情景,构建考虑需求侧响应的分布式储能资源调控模型,针对线路潮流模型的非凸性问题提出二阶锥规划(mixed integer second order conic programming,MISOCP)求解模式。同时,在模型基础上研究考虑分布式储能的资源管理及交互协同调控策略。最后,提出分布式储能资源管理系统开发设计方案,为后续储能参与新型电力系统建设及协同控制提供参考。
基金supported in part by the National Natural Science Foundation of China(61340041,61374079 and 61903126)the Natural Science Foundation of Henan Province(182300410112).
文摘As all generators are distributed in different areas among large scale power systems,the cooperative manipulation of the multi-generator system cannot operate well without consideration of the distance information of the generators.A distributed step-by-step finite-time consensus scheme for the heterogeneous battery energy storage system(BESS)is proposed in this paper,where the coordinated consensus can come into reality within a limited time,which is appealing for the electrical engineering community.To be concrete,at first,all BESSs are classified into several clusters according to their locations,and in each cluster,there is an active leader in charge of information receiving from outside.Then,in order to coordinate the multi BESSs,five inputs,which are function oriented,were used to achieve energy level balancing,active/reactive power sharing,and the consensus of voltage and frequency of the multi BESSs.Furthermore,the frequency and voltage restoration to the nominal values of the main grid were made possible by the introduction of a virtual leader,which is actually an external leader.Compared with the centralized methods,this control scheme is entirely distributed,and each BESS only utilizes the information of its own and its neighbors.In addition,this control is robust to the load perturbation and the plug-and-play of the communication topology.Finally,some simulation experiments are executed on the modified IEEE 57-bus system to verify the suggested scheme.
