Analysis of Voltage Abnormalities in Small Current Systems
10 kV distribution network is located at the end of the power system,with longer lines,more branches and complex and harsh operating environments,and the probability of ground faults is higher.At present,most of the end station is included in the control station,control watchman mainly through the bus voltage abnormality to analyse line faults,but the 10 kV line fault type is more,and are likely to trigger the small current monitoring device issued by the grounding signal.Focus on line grounding,disconnection and other faults caused by abnormal bus voltage changes are analysed.
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