UHV interconnected power grid has new features including close electrical connection and improved integration.To meet the needs of dispatchers and operators of nation-region-province power grid related to training and exercise of collaborative management and operation of UHV power grid,it is urgent to develop a distributed collaborative simulation and joint anti-accident exercise simulation platform of state grid.Taking wide area interconnection of Dispatcher Training Simulator (DTS) in nation-region-province power grid as target,an overall framework design of exercise platform is proposed,including design principles,system framework and application process based on smart grid dispatching control system.Some key technologies of integrated collaborative simulation,including interactive distributed simulation support platform,distributed collaborative production of joint training case,distributed collaborative simulation of multi-grade power grid,and distributed instructor support are discussed.A joint anti-accident exercise simulation platform is developed,implemented and verified of State Grid Coraporation of China.The application results show that multilevel DTS can simulate operation status of UHV AC/DC power grid in normal,abnormal and fault conditions.It also provides a realistic joint anti-accident exercise environment in UHV interconnected power grid which can effectively promote collaborative operation and management ability of large-scale power grid for provincial,regional and state power grid trainers.%中国特高压互联电网电气联系紧密、整体性增强等新特点迫切需要建设国家电网分布式协同仿真联合反事故演习平台以支撑国家、区域及各省电力调度控制中心(简称国分省调)调控人员协同管理运行特高压电网技能的培训与演习的需求.以实现国分省级电网调度员培训仿真系统的广域互联为目标,在智能电网调度控制系统系列标准基础上,设计了演习平台的整体框架,包括设计原则、系统框架及应用流程,提出了交互分布式协同仿真运行支撑、联合教案分布式协同制作、多级电网分布式协同仿真以及分布式教员支持等一体化协同仿真关键技术,并结合国家电网联合反事故演习平台工程予以整体研制、实施和应用验证.应用效果表明,所研发的成果能够准确地模拟特高压交直流电网正常、异常及故障工况下的运行状态,为国分省调调控人员提供逼真的特高压电网联合反事故演习环境,有效提高受训人员协同运行管理特大电网的能力.
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