基于广域测量系统的地区电网稳定性研究

在介绍了广域测量系统(WAMS)基本概念和架构的基础上,将广域测量技术与地区电网稳定相联系,提出了基于WAMS的地区电网稳定性研究方法,并分别采用深度优先算法、模拟退火算法、最小生成树算法及N-1安全递归算法对地区电网PMU的优化配置问题进行讨论。此外,分析了WAMS在地区电网稳定性研究中的相关应用,如系统动态监测、状态估计及稳定预测控制、系统模型验证及参数校正、系统广域保护与故障定位、故障录波等,并对WAMS在地区电网中的应用做出了展望。

Research of Regional Grid Stability Based on WAMS

Based on the basic concept and the structure of wide-area measurement system(WAMS),the association of wide-area measurement technology and regional grid stability is conducted.The research method of regional grid stability based on WAMS is proposed,and the algorithms of optimizing PMU placement in regional grid are discussed,including depth first,simulated annealing,minimum spanning tree,and N-1 safety recursion,etc.In addition,the relevant applications of WAMS to the research of regional grid stability are analyzed,such as system dynamic monitoring,state estimation and stability forecasting control,system model validation and parameter correction,system wide-area protection and fault location,fault recording,etc.Finally,the prospects of WAMS in the application of regional grid are presented.