To improve the resilience of distribution networks(DNs),a multi-stage dynamic recovery strategy is proposed in this paper,which is designed for post-disaster DN considering an integrated energy system(IES)and transpor...To improve the resilience of distribution networks(DNs),a multi-stage dynamic recovery strategy is proposed in this paper,which is designed for post-disaster DN considering an integrated energy system(IES)and transportation network(TN).First,the emergency response quickly increases the output of gas turbines(GTs)in the natural gas network(NGN),and responsively reconfigures the DN in microgrids,to maximize the amount of loads to be restored.The single-commodity flow model is adopted to construct spanning tree constraints.Then,in the second stage of energy storage recovery,mobile energy storage systems(MESSs)are deployed to cover the shortages of power demands,i.e.,to further restore the loads after evaluating the load recovery situation.The Floyd algorithm based dynamic traffic assignment(DTA)is selected to obtain the optimal path of the MESSs.In the third stage,the outputs of various post-disaster recovery measures are adjusted to achieve an economically optimized operation.Case studies demonstrate the effectiveness of the proposed dynamic post-disaster recovery strategy.展开更多
目的:为解决医院信息系统异地容灾备份问题,提出方案。方法:通过Oracle Data Guard,采用最大性能模式,构建容灾备份系统。结果:实践表明,创建的物理备用数据库能满足系统设计要求。结论:通过对比常用的容灾备份方案,表明采用Oracle Data...目的:为解决医院信息系统异地容灾备份问题,提出方案。方法:通过Oracle Data Guard,采用最大性能模式,构建容灾备份系统。结果:实践表明,创建的物理备用数据库能满足系统设计要求。结论:通过对比常用的容灾备份方案,表明采用Oracle Data Guard技术实现数据备份在资金、性能上的优越性。展开更多
基金supported by the Science and Technology Project of the State Grid Corporation of China“Research on resilience technology and application foundation of intelligent distribution network based on integrated energy system”(No.52060019001H).
文摘To improve the resilience of distribution networks(DNs),a multi-stage dynamic recovery strategy is proposed in this paper,which is designed for post-disaster DN considering an integrated energy system(IES)and transportation network(TN).First,the emergency response quickly increases the output of gas turbines(GTs)in the natural gas network(NGN),and responsively reconfigures the DN in microgrids,to maximize the amount of loads to be restored.The single-commodity flow model is adopted to construct spanning tree constraints.Then,in the second stage of energy storage recovery,mobile energy storage systems(MESSs)are deployed to cover the shortages of power demands,i.e.,to further restore the loads after evaluating the load recovery situation.The Floyd algorithm based dynamic traffic assignment(DTA)is selected to obtain the optimal path of the MESSs.In the third stage,the outputs of various post-disaster recovery measures are adjusted to achieve an economically optimized operation.Case studies demonstrate the effectiveness of the proposed dynamic post-disaster recovery strategy.
文摘目的:为解决医院信息系统异地容灾备份问题,提出方案。方法:通过Oracle Data Guard,采用最大性能模式,构建容灾备份系统。结果:实践表明,创建的物理备用数据库能满足系统设计要求。结论:通过对比常用的容灾备份方案,表明采用Oracle Data Guard技术实现数据备份在资金、性能上的优越性。
