Voltage-time characteristics and related approximation formula for 6.6-kv solid-core-type insulator having higher lightning impulse withstand voltage

Satoshi Matsumoto, Tomoyuki Sato, Yoshiyasu Koga, Shigeru Yokoyama

研究成果: Article

1 引用 (Scopus)

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To establish an optimal lightning protection method for power distribution lines, factors such as the mechanism behind lightning surges as well as power distribution network and insulation level of power distribution lines should be taken into consideration. This study experimentally clarifies the voltage-time (V-t) characteristics of currently used 6.6-kV power distribution insulators having higher lightning impulse withstand voltage (LIWV) by considering the differences in polarity and the presence or absence of slurry. Furthermore, in this paper we propose approximation formulas based on the sparkover model for calculating the flashover characteristics of 6.6-kV power distribution insulators, which can contribute to insulation coordination throughout the power distribution system.

元の言語English
ページ(範囲)224-229
ページ数6
ジャーナルIEEJ Transactions on Power and Energy
134
発行部数3
DOI
出版物ステータスPublished - 2014 3 13

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering

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