Effects and Detection Measures of Multipoint Grounding in Voltage Transformer Secondary Circuits
In practical operations,protection malfunctions have occurred due to grounding at two points in voltage transformers,which is a fault that is not easily detected.This paper introduces faults caused by multipoint ground-ing in the secondary circuits of voltage transformers,analyzes the principles of PT secondary circuit multipoint grounding faults,and summarizes detection methods.The findings provide insights and preventive measures for future work.
voltage transformersecondary circuitmultipoint groundingprotection devices
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