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

被引：0

作者：

Yoshida, Masanobu ^{[1
]}

Konishi, Yoshinori ^{[2
]}

机构：

[1] Chubu Elect Power Co Inc, Elect Power Res & Dev Ctr, Midori Ku, 20-1 Kitasekiyama,Ohdaka Cho, Nagoya, Aichi, Japan

[2] Yuka Ind Co, Tokyo, Japan

来源：

2009 IEEE BUCHAREST POWERTECH, VOLS 1-5 | 2009年

关键词：

Diagnosis; Power Transformers; degradation; Aging; Insulating Paper; Cellulose; Refractive Index;

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 transformer. We took note of cellulose fibers that are suspended in insulating oil in transformers as samples that could be useful for assessing the aging degradation of insulating paper in transformers. We would like to note that the thermal degradation of insulating paper accompanies the crystallization of cellulose fibers. In this paper, we used the dispersion staining method to investigate the relationship between degradation and crystallization of cellulose fiber.

引用

页码：2957 / +

页数：2

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