工频变化量阻抗保护的应用及阻抗元件现场校验方法的探讨

Discussions on the Application of Power Frequency Variation of Impedance Protection and the Method of Scene Shecking of Impedance Components

简要分析了工频变化量阻抗保护的实现原理,通过保护动作原理找出了现场校验工频变化量阻抗继电器定值的方法。

It briefly analyzes the realization principle of impedance protection of the frequency variation,through the protecting action principle, a method is found out to check the value of the frequency variation impedance relay.