Distribution network small current neutral grounding line selection method based on multi-source information fusion
A technology of multi-source information fusion and small current grounding, applied in information technology support systems, measuring electricity, measuring electrical variables, etc., can solve the problems of decreased accuracy rate, lack of maintenance and lack of distribution network, etc., and achieve good adaptability
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[0049] The present invention is described in detail below:
[0050] (1) Firstly, establish the distribution network grounding line selection switch matrix DGSM to describe the feeder outlet switch model of all grounding substation related buses in the distribution network;
[0051] (2) Secondly, establish the feeder switch pulling circuit sequence table FSST to describe the opening action sequence of each feeder outlet switch on a bus;
[0052] (3) Then, establish a priority adjustment rule to make necessary adjustments to the switching sequence in the feeder switch pulling sequence list FSST;
[0053] (4) Finally, according to the distribution network grounding line selection switch array DGSM and the adjusted feeder switch pull sequence table FSST, the ground fault of the distribution network is comprehensively selected until the ground fault feeder is found.
[0054] Assume that the zero-sequence voltage of 10kV 1# bus, 2# bus, 3# bus and 4# bus in several substations has ...
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