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IIR document

Superconducting current feeders system for SST-1.

Number: pap. n. 015

Author(s) : GUPTA N. C., GARG A., SONARA D., et al.

Summary

The superconducting (SC) current feeders system (CFS) for steady state superconducting Tokamak (SST-1) consists of (+/-) ten pairs of 10,000 ampere (A) leads, Cu-SC joints, cryocompatible SC feeders ducts operating at high voltage with extensive cryo as well as room temperature hydraulic network. Appropriate design drivers have been considered to provide the safe design of the CFS. A horizontal cryostat in cylindrical configuration with active liquid nitrogen (LN2) cooled 80 K shield provides ease of installation and maintenance of all the critical components. The required thermo-structural and thermo-hydraulic analyses for cryostat and SC feeders have been carried out. The planned fluid flow scheme of the CFS provides the better temperature margin available for SCMS operation. The required instrumentation and control system is being upgraded and validated through tests. The paper describes the design, analysis, flow scheme with instrumentation and control and engineering commissioning experience of the current feeders system.

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Pages: 86-90

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Details

  • Original title: Superconducting current feeders system for SST-1.
  • Record ID : 30005424
  • Languages: English
  • Source: Cryogenics 2012. Proceedings of the 12th IIR International Conference: Dresden, Germany, September 11-14, 2012.
  • Publication date: 2012/09/11

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