Estimating aging parameter of XLPE and its nanocomposites under AC voltage Using Step-stress test

被引：0

作者：

Wang, Ya ^{[1
]}

Wu, Kai ^{[1
]}

Dong, Jinhua ^{[1
]}

Zhang, Chong ^{[2
]}

Li, Wenpeng ^{[2
]}

机构：

[1] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian 410049, Peoples R China

[2] Global Energy Interconnect Res Inst, Beijing 102200, Peoples R China

来源：

2016 IEEE INTERNATIONAL CONFERENCE ON DIELECTRICS (ICD), VOLS 1-2 | 2016年

关键词：

XLPE; nanocomposites; step-stress test; ac aging; SPACE-CHARGE ACCUMULATION; HVDC CABLE DESIGN; BREAKDOWN;

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：

Our previous studies showed that the aging parameter, i.e. the n-value, of XLPE was quite different from that of XLPE nanocomposites. In order to investigate the effects of space charge on aging parameter under DC voltage, the n-values of XLPE and its nanocomposites were measured under AC voltage in this report, because few space charge exits in the sample under AC voltage. Step-stress tests were carried out under AC voltage to measure the n-value. The results showed that the aging parameters of XLPE and its nanocomposites under AC voltage were close, i.e. 7.3 and 6.6, respectively. This suggests that space charge accumulation plays an important role in DC aging.

引用

页码：662 / 665

页数：4

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