电网薄弱环节在线辨识及分级预警技术研究

Research on Online Identification and Hierarchical Warning Technology of Weak Links of Power Grid

本文利用电网丰富的运行信息,通过大数据分析技术,开展电网薄弱点分类诊断及风险识别相关技术研究与实践,实现电网运行状态的纵向、横向分析,事前感知电网薄弱点及安全风险情况,为电网规划、运行方式优化提供辅助手段,为保障电网安全、稳定、可靠、经济运行提供有利的技术支撑。本文提出了针对不同电压等级设备的电网薄弱点扫描诊断的技术方法,给出了相关分析流程,对电网特性中存在的风险情况进行了分析,研究了电网薄弱点以及风险意识判断相关系统的建立。

In this paper,using the rich operation information of power grid,through the big data analysis technology,the research and practice of power grid weak point classification diagnosis and risk identification technology are carried out,which realize the vertical and horizontal analysis of power grid operation status,perceive the power grid weak points and security risk in advance,provide auxiliary means for power grid planning and operation mode optimization,and ensure the security,stability and reliability of power grid economic support.In the paper,a scanning diagnosis method for the weak points of the power grid of different voltage grade equipment is proposed,and the relevant analysis process is given.The risk traveling speed in the power grid characteristics is analyzed,and the establishment of the related system of the weak points of the power grid and the judgment of the risk consciousness is studied.