Study on the Influence of Copper Ion on Aging Rate of Transformer Oil-paper Insulation

被引：0
|
作者：
Tang, Chao [1 ]
Yang, Li-jun [1 ]
Feng, Yuri [2 ]
Liao, Rui-jin [1 ]
Li, Jian [1 ]
Sun, Cai-xin [1 ]
机构：
[1] Chongqing Univ, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing 400044, Peoples R China
[2] Sichuan Elect Power Test & Res Inst, Chengdu 610072, Sichuan, Peoples R China
来源：
ICHVE 2008: 2008 INTERNATIONAL CONFERENCE ON HIGH VOLTAGE ENGINEERING AND APPLICATION | 2008年
关键词：
Oil-paper insulation; Aging rate; Copper Ion; Power transformer;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In order to analysis the influence of copper ion on aging rate of oil-paper insulation, accelerate thermal aging experiments have been designed and performed on oil-paper insulation at two aging temperatures. A number of characteristic parameters such as dissolved gases, degree of polymerization, furfural content, water content and Acid number of oil have been tested periodically. The experiments results indicate that copper ion has a great influence on insulation paper and oil during the aging process; it delayed the degradation rate of insulation paper, which reduced the ratio of CO2/CO by about 11% at 80 degrees C and more than 50% at 130 degrees C. In addition, copper promotes the oxidation of the oil and accelerates the aging rate.
引用
收藏
页码：570 / +
页数：2
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