Study On Mechanical State Diagnosis Of Power Transformer Winding Based On Vibration Method
APPLIED MECHANICS, MATERIALS AND MANUFACTURING IV(2014)
Abstract
This paper uses the vibration method to diagnose the mechanical state of transformer winding, directed against the fact that the accuracy of the mechanical fault diagnosis in transformer winding is not high. It collects the load test vibration signal of transformer winding in normal and abnormal state, analyzes the vibration signals in different states, and use the vibration frequency and load current matching to judge the winding condition. By setting the different faults to the actual transformer winding of S11-M-500/35 type, it uses the vibration method to do the diagnosis analysis. And the research content is of great significance for the promotion and application of vibration analysis method.
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Key words
transformer winding,vibration signal,fault diagnosis
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