Research and Application of Low Voltage Distribution Station Area Portable Leakage Monitoring Cat

In this paper, a set of leakage locating device based on electromagnetic induction principle is developed.The structure and working principle of the device are introduced in detail.The device can accurately monitor and record the leakage current value when the leakage protection action occurs in the low voltage table area.The monitoring success rate reached 100%.The fault point can be quickly located.It has practical significance to improve the safe and stable operation of distribution network.