The Transactions of the Korean Institute of Electrical Engineers P (전기학회논문지P)

The Korean Institute of Electrical Engineers (대한전기학회)
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Development of a Remote Inspection Method and Device for Line Sleeves on Transmission Line

송전선로 직선슬리브 원격점검 방법 및 장치

  • 이재경 (한국전력공사 전력연구원 녹색성장연구소) ;
  • 정남준 (한국전력공사 전력연구원 S/W 센터) ;
  • 김호기 (한국전력공사 사업총괄본부 송변전전략실 송전팀) ;
  • 김경호 (한국전력공사 사업총괄본부 송변전전략실 송전팀)
  • Received : 2011.07.11
  • Accepted : 2011.09.08
  • Published : 2011.12.01
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Abstract

Line sleeves, which used to connect ACSR cables when transmission lines were constructing, sometimes cause power transmission failure due to deterioration and corrosion. Therefore, power transmission line should be inspected regularly to prevent national disaster. Current inspection tool detects insertion length of transmission line on line sleeves, the inspection tool includes enormous error by operator. Moreover, the system is not controlled remotely, negligent accident would be caused while inspecting. To deal with those problems, KEPCO reviewed several ways to inspect line sleeves and proposes new method to inspect line sleeve by measuring magnetic flex which penetrate junction of steel and aluminum sleeve. The developed inspection tool is reliable enough to detect eccentric sleeves. Also, the developed inspection device was applied on actual transmission line and verified its effectiveness.

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References

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