Evaluation of Transformer Insulation State Based on Activation Energy Characteristic Exponent
Based on the activation energy,this paper studied the defect detection and aging evaluation technology of transformers from a microscopic perspective firstly.Then,a quantitative relationship model was established among leakage current,activation energy and aging time.Finally,the transformer insulation system condition evaluation de-vice was developed based on the activation energy characteristic exponent.The diagnosis proved the correctness and validity of the method.
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