Study on Aging Assessment Model of Transformer Cellulose Insulation Paper Based on Methanol in Oil

Qingguo Chen,Chunpeng Li,Song Cheng,Wei Sun,Minghe Chi,He Zhang

IEEE Transactions on Dielectrics and Electrical Insulation（2022）

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摘要

Methanol is considered to be a new chemical marker to estimate the aging state of transformer cellulose insulation paper. The key to improve the assessment accuracy is to establish the precise relationship between the concentration of methanol in oil and degree of polymerization (DP) of insulation paper. The previous research in this area has shortcomings and needs to be further improved. In this ...

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关键词

Methanol,Aging,Oils,Moisture,Temperature,Power transformer insulation,Oil insulation

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