合理选择 ZJL-46 距离保护带负荷测试项目

REASONABLY SELECT THE TESTING TERMS OF ZJL-46 DISTANCE PROTECTION ON LOAD

分析了ＺＪＬ－４６接地距离保护的原理和接线，指出了保护的接线特点，并由此引出了该保护在投运前应做的实验项目和实验方法。

The principle and wirings of ZJL-46 earth distance protection are analyzed and the wiring feature of the protection is pointed out.From these above,the testing terms and methods which should be done before being put into operation are introduced.