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Development of In-Vessel Remote Maintenance System(<Special Topic Articles>Remote Maintenance Development for Fusion Reactors)

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Other Title
  • 炉内保守システムの開発
  • ロナイ ホシュ システム ノ カイハツ
  • 2.炉内保守システムの開発(<小特集>核融合炉用遠隔保守技術の開発)
  • 炉内保守システムの開発
  • 核融合炉用遠隔保守技術の開発
  • カク ユウゴウロヨウ エンカク ホシュ ギジュツ ノ カイハツ

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Abstract

In the ITER system, such in-vessel components as blanket and divertor are treated as schedule maintenance components, and the remote handling equipmentltools required for in-vessel maintenance must be capable of handling a heavy payload with high precision, even. under intense gamma ray radiation. To facilitate remote maintainability, the blanket and divertor are structurally segmented into modules and cassettes. In addition, a rail-mounted vehicle-type remote handling system and a cassette-type remote handling system have been developed for blanket and divertor maintenance, respectively. Critical technology relating to in-vessel maintenance is currently under extensive development in accordance with the ITER R&D program. This paper summarizes the Japanese Home Team's contributions to remote maintenance design and technology development and outlines the plan on fabrication and testing of full-scale remote handling equipment/tools for in-vessel maintenance.

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