History of Gas-insulated Switchgear in Japan on Transition of Technological Development and Practical Application—The Third Report: Expanded Application of UHV and HVDC Technologies to GIS—

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  • GISの開発・製品適用の変遷に関する技術史—その3—
  • GISの開発・製品適用の変遷に関する技術史(その3)
  • GIS ノ カイハツ ・ セイヒン テキヨウ ノ ヘンセン ニ カンスル ギジュツシ(ソノ 3)

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<p>This paper is the third report of gas-insulated switchgear (GIS) history from a view point of transition of the technological development and the practical application. This report focuses on the technologies and remarkable progress originated from the development of ultra-high voltage (UHV) - and high voltage (HV) DC-GIS.</p><p>First, outline of new technologies on UHV-GIS and their impacts on the other GIS of 550 kV and lower are mentioned. Various developments and the applications to GIS including its components are described together with 550 kV GIS with one-break gas circuit-breaker (GCB) and metal oxide surge arrester (MOSA). Secondly, a development of HVDC-GIS is introduced from a view point of reflecting the UHV-GIS technology on the HVDC-GIS as well as the impact on AC-GIS. Finally, the authors try to discuss the differences between domestic and overseas GIS in terms of the concepts of dielectric design and dielectric tests to ensure the dielectric performance of GIS.</p>

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