Fault point detection device and method for mine power transmission cable
A technology for detection devices and fault points, which is applied in the direction of measuring devices, fault locations, emergency protection circuit devices, etc., can solve the problems of cumbersome detection equipment and methods, achieve reliable performance, ensure safe transmission, and improve the accuracy of detection
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[0036] Such as figure 1 As shown, this embodiment provides a fault point detection device for mine power transmission cables. It includes a plurality of control circuits located at the cable body, the control circuit includes an AC contactor, a fuse, a current acquisition module, a boost control circuit and a main controller; the AC contactor and the fuse are connected in series to the cable body, The AC contactors and fuses at the plurality of control circuits divide the cable body into a plurality of individual detection node segments at equal intervals; the current acquisition module is arranged in the middle of the corresponding detection node segment, and the two detection node segments of each detection node segment The terminals are all provided with a detection endpoint M and a detection endpoint N, and a traveling wave detection circuit is arranged at the detection endpoint M and the detection endpoint N; the main controllers at the multiple control circuits all commu...
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