New Diagnosis Method of Aging Degradation for Insulating Paper in Power Transformers by Measuring the Refractive Index of Cellulose Fibers

被引：0
|
作者：
Yoshida, Masanobu [1 ]
Uchida, Katsumi [1 ]
Kato, Masamichi [2 ]
Konishi, Yoshinori [2 ]
机构：
[1] Chubu Elect Power Co Inc, Elect Power Res & Dev Ctr, Nagoya, Aichi, Japan
[2] Yuka Ind Co Ltd, Res & Dev Sect, Tokyo, Japan
来源：
PROCEEDINGS OF 2012 IEEE INTERNATIONAL CONFERENCE ON CONDITION MONITORING AND DIAGNOSIS (IEEE CMD 2012) | 2012年
关键词：
Diagnosis; Power Transformers; degradation; Aging; Insulating Paper; Cellulose; Refractive Index; Mahalanobis distance;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper proposes a new diagnosis method for aging degradation of insulating paper in power transformers. We took notice of cellulose fibers that suspended in insulating oil in transformers as useful samples for estimating degradation of insulating paper in transformers. The Mahalanobis-Taguchi System was applied for investigating the relationship between degradation and refractive indices of cellulose fibers measured. It was found that aging degradation of cellulose fibers on insulating paper accompanies a change of dispersion color. This result shows that it is capable to estimate degradation of the paper in oil-immersed power transformers by measuring dispersion color of fibers suspended in insulating oil.
引用
收藏
页码：56 / 59
页数：4
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