• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 25 Issue 6
Dec.  2012
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Article Contents
CAO Kaijiang, XU Yue, WU Guangning, XU Huihui, ZHANG Yiqiang, LUO Yang. Insulation Life Model and Partial Discharge Characteristic of Magnet Wires under Square Pulse Voltage[J]. Journal of Southwest Jiaotong University, 2012, 25(6): 1009-1014. doi: 10.3969/j.issn.0258-2724.2012.06.016
Citation: CAO Kaijiang, XU Yue, WU Guangning, XU Huihui, ZHANG Yiqiang, LUO Yang. Insulation Life Model and Partial Discharge Characteristic of Magnet Wires under Square Pulse Voltage[J]. Journal of Southwest Jiaotong University, 2012, 25(6): 1009-1014. doi: 10.3969/j.issn.0258-2724.2012.06.016

Insulation Life Model and Partial Discharge Characteristic of Magnet Wires under Square Pulse Voltage

doi: 10.3969/j.issn.0258-2724.2012.06.016
  • Received Date: 22 Feb 2012
  • Publish Date: 25 Dec 2012
  • In order to investigate the aging and failure mechanism of insulation under square pulse voltage, an insulation life characteristic device for high frequency and high impulse voltage and a partial discharge (PD) test system were adopted. PD activity and its impact factors as well as life characteristic of magnet wires under different frequencies and rise times were investigated, and insulation aging life models for different frequencies and rise times under square pulse voltage were obtained. The research result indicates that with increasing of frequency and shortening of square pulse rise time, the PD activity becomes severe and the life of magnet wires decreases. Correlation coefficients for the life models of different rise times and frequencies are 0.93 and 0.95, respectively.

     

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