The Transactions of the Korean Institute of Electrical Engineers C (대한전기학회논문지:전기물성ㆍ응용부문C)

The Korean Institute of Electrical Engineers (대한전기학회)
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Decreasing Technique of the Electric-field Intensity on Transmission Conductor Surface using the Hybrid Conductor Bundle

2종소도체 배열방식을 적용한 송전도체 표면전계강도 저감기법

  • 이동일 (한전전력연구원 전력계통연구실 송변전기술그룹) ;
  • 신구용 (한전전력연구원 전력계통연구실 송변전기술그룹) ;
  • 김정부 (한전전력연구원 전력계통연구실)
  • Published : 1999.07.01
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Abstract

Corona discharges form at the surface of a transmission line conductor when the electric-field intensity on the conductor surface exceeds the breakdown strength of air. In order to decrease the electric-field intensity on the conductor surface, a new 6 conductor bundle has been studied. This bundle, hybrid conductor bundle, consists of using a larger subconductor at the bottom two conductor positions in the 6-conductor bundles of each phase of the line. The electric field on these two larger subconductors is reduced which in turn reduces the corona noise. It is shown that this is a better solution for decreasing the electric-field intensity than ether the conventional bundle or the asymmetric bundle proposed by EPRI.

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References

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