Effect of Thermal Pulse on Space Charge Accumulation in LDPE under DC Voltage

被引：4
|
作者：
Wang, Bingjie [1 ]
Lv, Zepeng [1 ]
Ma, Yuntong [1 ]
Peng, Jinyang [1 ]
Zhang, Chen [1 ]
Wu, Kai [1 ]
Cheng, Yonghong [1 ]
机构：
[1] Xi An Jiao Tong Univ, State Key Lab Elect Insulat & Power Equipment, Xian, Peoples R China
来源：
2022 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (IEEE CEIDP 2022) | 2022年
关键词：
thermal pulse; space charge; LDPE; charge transport; DC voltage; TEMPERATURE-GRADIENT; ELECTRIC-FIELD;
D O I：
10.1109/CEIDP55452.2022.9985309
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：
In this paper, new experimental methods are devised to investigate the effects of thermal pulse and DC high voltage on space charge accumulation in LDPE. Studies have shown that after applying a thermal pulse, abundant heterocharge accumulates on the low-temperature side, causing electric field distortion. Accumulated charges and distorted electric fields recover after cooling for a while. And the thicker the LDPE, the faster the heterocharge builds up at cathode. The space charge accumulation phenomena of LDPE under thermal pulse exhibit a different pattern from that under steady-state thermal fields, which is of guidance for the study of the effect of dynamically changing thermal fields on charge transport processes.
引用
收藏
页码：232 / 235
页数：4
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