Research on breakdown characteristics of oil-paper insulation in compound field at different temperatures

被引：0

作者：

Li, L. ^{[1
]}

Chen, M. Y. ^{[2
]}

Zhu, X. C. ^{[1
]}

Gao, Z. W. ^{[1
]}

Zhang, H. D. ^{[1
]}

Li, G. X. ^{[1
]}

Zhang, J. ^{[1
]}

Yu, C. L. ^{[1
]}

Feng, Y. M. ^{[2
]}

机构：

[1] State Grid Heilongjiang Elect Power Co Ltd, Elect Power Res Inst, Harbin 150030, Heilongjiang, Peoples R China

[2] State Grid Heilongjiang Elect Power Co Ltd, Harbin 150090, Heilongjiang, Peoples R China

来源：

2ND INTERNATIONAL CONFERENCE ON NEW MATERIAL AND CHEMICAL INDUSTRY (NMCI2017) | 2018年 / 292卷

关键词：

DC; STRENGTH; AC;

D O I：

10.1088/1757-899X/292/1/012007

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

The breakdown characteristics of oil-paper insulation in AC, DC and compound field at different temperatures were studied. The breakdown mechanism of oil-paper insulation at different temperatures and in AC and DC electric fields was analyzed. The breakdown characteristic mechanisms of the oil-paper insulation in the compound field at different temperatures were obtained: the dielectric strength of oil-paper compound insulation is changed gradually from dependence on oil dielectric strength to dependence on paperboard dielectric strength at low temperature. The dielectric strength of oil-paper compound insulation is always related to the oil dielectric strength closely at high temperature with decrease of AC content.

引用

页数：7

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