一种配合保护联调试验的通流升压试验方法研究  

Research on Injecting Current and Applying Voltage Test Method of Coordination Protection Test

作　　者：陈更 刘春晖 齐英伟 许才 CHEN Geng;LIU Chunhui;QI Yingwei;XU Cai(State Grid East Inner Mongolia Electric Power Research Institute,Hohhot,Inner Mongolia 010010,China)

机构地区：[1]国网内蒙古东部电力有限公司电力科学研究院,内蒙古呼和浩特010010

出　　处：《东北电力技术》2020年第7期22-24,共3页Northeast Electric Power Technology

摘　　要：针对常规通流升压试验方法工作周期长、测试内容有限的问题,提出一种通流升压试验方法,在检验电压、电流回路及互感器极性的基础上,模拟电网不同潮流流动方式和故障模式,在验证保护装置采样正确的同时,配合完成保护联调试验。分析试验方法的原理及流程,通过工程应用验证其可行,为同类型试验提供参考。Aiming at Conventional test methods of injecting current and applying voltage have long working cycle and limited testing content,this paper presents a new test method.On the basis of checking voltage,current circuit and the polarity of transformer,it simulates various power flow modes and fault modes of power grid.It can cooperate with the completion of the test of protection coordination while verifying the correct sampling of protective devices.The principle and flow of the test method are analyzed,and its feasibility is verified by engineering application.

关 键 词：通流升压 互感器极性 潮流流动 保护联调 

分 类 号：TM774[电气工程—电力系统及自动化]