Generally speaking, substations will have multiple 10KV outgoing lines, and one 10KV outgoing line may have multiple user loads. In case of single-phase grounding and short circuit fault of 10KV line, if the fault point cannot be quickly and accurately isolated, the fault isolation range may be expanded and normal power consumption of users in non fault section may be affected. The use of intelligent vacuum demarcation switch controller can quickly and accurately remove user short circuit fault and isolate single-phase grounding fault, which is of great significance to improve the reliability of power supply.
The application of this set of equipment greatly reduces the associated accidental power failure of the fault free line, narrows the scope of the fault power failure, and shortens the power failure time of the installation user, thus improving the power supply reliability of the user, and truly realizing the function and role of the watchdog.
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