Dielectric breakdown of low-density polyethylene under simulated inverter voltages

Hidenori Suzuki, Shigeo Mukai, Yoshimichi Ohki, Yoshinobu Nakamichi, Kohji Ajiki

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Abstract

Breakdown characteristics have been investigated for low-density polyethylene immersed in silicone oil by applying power-frequency ac voltages with high-frequency components, which are simulated output voltages of a pulse-width-modulation inverter. It was found that the breakdown voltage decreases as the high-frequency component increases. However, the number of zero-crossings of the applied voltage, which is very influential in water-tree growth, does not seem to play an important role in the dielectric breakdown process.

Original languageEnglish
Pages (from-to)238-240
Number of pages3
JournalIEEE Transactions on Dielectrics and Electrical Insulation
Volume4
Issue number2
DOIs
Publication statusPublished - 1997 Dec 1

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ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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