Electrical power distribution network single-phase earth fault type and phase distinguishing method
A single-phase grounding fault, identification method technology, applied in the fault location, emergency protection circuit device for limiting overcurrent/overvoltage, measuring electricity, etc. and other problems, to achieve the effect of less simulation, ensuring accurate action, and simple calculation
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[0046] Below in conjunction with accompanying drawing and embodiment describe in detail:
[0047] 1. Automatic arc suppression system for distribution network
[0048] 1. Overall
[0049] (1) System structure
[0050] Such as figure 1 , the working platform of the present invention is an automatic arc suppression system for a distribution network, comprising a three-phase busbar 000, provided with a grounding transformer 100, an arc suppression coil 200, a silicon controlled rectifier 300 and a controller 400;
[0051] The primary side of the three-phase bus 000 , the grounding transformer 100 , and the arc suppression coil 200 are connected to the ground in sequence; the controller 400 , the thyristor 300 and the secondary side of the arc suppression coil 200 are connected in sequence.
[0052] (2) System working principle:
[0053] The function of the grounding transformer 100 is to generate a neutral point for a delta-connected circuit; the arc suppression coil 200 has ...
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