基于EMS的地区电网合环风险评估系统

传统的基于电力系统离线分析软件进行电网合环风险分析,由于无法保证电网模型及电网运行方式的实时性,采用近似计算,缺乏及时有效正确的分析手段。文中提出一种基于能量管理(EMS)系统的地区电网合环风险评估分析软件系统,在调度控制中心实现实时的电网合环风险评估。该系统从EMS系统读取实时电网模型、运行方式,综合利用全网模型量测信息,实现电网热稳定、静态安全及遮断容量校核,减小了电网实际合环操作前分析的工作量,该评估系统已经在深圳电网主站系统中得以应用,具有良好的实用性。

A Closing Loop Operation Risk Evaluation System Based on EMS

Due to lack of the capacity of real-time updating power network＇s model information and operational mode, traditional off-line analysis software for power system grid closing loop operation risk analysis only can provide an approximate result. An Energy Management System （EMS） based regional power grid risk analysis software for closing loop operation analysis is presented. The proposed soil-ware is capable to provide a real-time closing loop operation risk evaluation. It collects real-time data of power network model and its operational mode from EMS, which makes it possible to achieve thermal stability analysis, N-1 analysis and circuit breaker interrupting capacity checking of electromagnetic loop network grid. The utilization of EMS in the proposed soft-ware reduces risk analysis computational complexity. The proposed system has been successfully applied into the Shenzhen power grid.