Analysis of Reclosing Abnormality of Low Pressure Latching for 220 kV Line Protection
Based on the problem discovered in the pre-acceptance check of the reclosing loop of a low pressure latching for the 220 kV line protection in a smart substation,this paper discusses and analyzes the principle of the composition of the low pressure latching reclosing loop in the protection of 220 kV line in intelligent substations,as well as the reasons for the reclosing abnormality.This provides a reference for the future pre-acceptance check of the low pressure latching reclosing loop of 220 kV line protection in smart substations.
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