工频变化量距离保护校验研究  

Research on Power Frequency Variation Distance Protection Debugging Method

作　　者：李杰 

机构地区：[1]云南电网有限责任公司公司大理供电局,云南大理671000

出　　处：《云南电力技术》2016年第4期8-11,共4页Yunnan Electric Power

摘　　要：电力系统继电保护按原理上可划分为反应稳态量的保护和反应暂态量的保护,反应暂态量的工频变化量的阻抗继电器和工频变化量的方向继电器的理论准确度高、速度快,具有较好的动作性能。本文分析了工频变化量距离保护的基本原理及调试方法,为工频变化量距离保护的定值整定、功能校验、动作分析提供参考。Power system relay protection according to the principle can be divided into steady state amount of protection and reaction amount of transient protection, transient response of power frequency variation of impedance relay and relay in the direction of the power frequency variation theory, Nevertheless,it is with high accuracy, high speed, good motion performance.The basic principle of power frequency variation distance protect and debugging method are analyzed in this paper, it may contribute to the ifxed value setting、functional check and analyze the action of the power frequency variation distance protection.

关 键 词：工频变化量 阻抗继电器 动作特性 

分 类 号：TM773[电气工程—电力系统及自动化]