Power distribution network grounding self-adaptive control system and method
An adaptive control and distribution network technology, which is applied to electrical components, circuit devices, emergency protection circuit devices, etc., can solve problems such as difficulty in ensuring reliability, reducing power supply reliability, and low isolation efficiency, and achieves obvious characteristics of faulty lines , Guarantee the reliability of power supply and the effect of wide adaptability
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[0046] Such as figure 1 As shown in the figure, the distribution network grounding adaptive control system adds a group of adaptive control parallel loops on the basis of the original neutral point being grounded through the arc suppressing coil. The switch K, the switching of the switch K and the adjustment of the resistance value are all optimized and adjusted through the adaptive control module, and the bus PT (voltage transformer) is set on the bus. The input of the adaptive control module in the system includes neutral point voltage, neutral point current, line zero-sequence CT current, bus PT voltage, peripheral input (parameter setting) and other grid data; the output includes arc suppression coil Various types of data such as the gear control value of the parallel resistor, the switching signal of the switch K, the grounding signal, the tripping signal, and the line selection information.
[0047] Among them, the self-adaptive control module includes the following fou...
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