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

  • Bingjie Wang
  • , Zepeng Lv
  • , Yuntong Ma
  • , Jinyang Peng
  • , Chen Zhang
  • , Kai Wu
  • , Yonghong Cheng
  • Xi'an Jiaotong University

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

2 Scopus citations

Abstract

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.

Original languageEnglish
Title of host publicationCEIDP 2022 - 2022 IEEE Conference on Electrical Insulation and Dielectric Phenomena
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages232-235
Number of pages4
ISBN (Electronic)9781665467957
DOIs
StatePublished - 2022
Event2022 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2022 - Denver, United States
Duration: 30 Oct 2022 → 2 Nov 2022

Publication series

NameAnnual Report - Conference on Electrical Insulation and Dielectric Phenomena, CEIDP
Volume2022-November
ISSN (Print)0084-9162

Conference

Conference2022 IEEE Conference on Electrical Insulation and Dielectric Phenomena, CEIDP 2022
Country/TerritoryUnited States
CityDenver
Period30/10/22 → 2/11/22

Keywords

  • DC voltage
  • LDPE
  • charge transport
  • space charge
  • thermal pulse

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