How to troubleshoot the ground fault of the high-speed dispersion machine

How to eliminate the ground fault of the high-speed dispersion machine? Generally speaking, at the central point in the 10kV distribution line, there will be no ground fault. Once a ground fault occurs, the voltage of the ground phase will quickly drop to 0, while the voltage of the other two phases will increase by 3 to 5 times in a short period of time. The sharply increased voltage will damage the insulation layer in the distribution line. Moreover, related electrical equipment in the 10kV distribution line will be destroyed. In serious cases, it may even cause a safety accident. Because the single-phase grounding fault has its own unique characteristics, that is, the discharge phenomenon occurs at the grounding point, and it is accompanied by the sound of the discharge, so it is easy to distinguish. In addition, the voltage of the ground phase and the voltage of the other two phases can also be detected by the voltmeter. In this way, single-phase grounding faults can be eliminated very well.

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