500 kV传统变电站与智能变电站失灵保护的对比研究  

Comparative Study on Failure Protection Between Traditional and Smart 500 kV Substations

作　　者：黄烜 蔡怡佳 林依青 张安琪 HUANG Xuan;CAI Yijia;LIN Yiqing;ZHANG Anqi(Shantou Power Supply Bureau,Shantou 515000,China)

机构地区：[1]汕头供电局,广东汕头515000

出　　处：《电工技术》2023年第22期215-218,共4页Electric Engineering

基　　金：广东电网有限责任公司汕头供电局职业创新项目(保信主站远方控制操作引导功能研究)。

摘　　要：在电力系统高压和超高压及以上电网中,断路器失灵保护作为一种近后备保护,得到了普遍应用。随着智能变电站在南方电网的全面应用,对失灵保护在智能变电站中的配置及原理进行研究具有极大的意义。通过工程实例对南方电网某供电局500 kV传统变电站和智能变电站的失灵回路和失灵原理进行对比,得出智能变电站与传统变电站在失灵保护上的不同点,为定值整定、现场调试等工作做指导。Circuit breaker failure protection has been widely used as a short-range backup protection in high-voltage and ultra-high voltage power grids.With the comprehensive application of smart substations in the Southern Power Grid,it is of great significance to study configuration and principle of failure protection in smart substations.This paper carries out a practical case-based comparative study on circuit and principle of failure protection between a 500 kV traditional substation and a 500 kV intelligent substation in Southern Power Grid.It identifies four difference points in failure protection between smart and traditional substations,providing guidance for relay calculation,site commissioning,and other work.

关 键 词：断路器保护 失灵保护 智能变电站 

分 类 号：TM773[电气工程—电力系统及自动化]