Reducing Conductor Usage in Superconducting Machines by Multiple Power Supplies

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This paper presents and applies a method of reducing the needed amount of superconductor in a superconducting machine by supplying the superconductor from multiple power supplies. The method is presented and validated experimentally in a constructed prototype. Thereafter, a superconducting tape is tested experimentally for allowable current density in a flux density spanning from 0 to 16 T and a temperature range from 5 K to 85 K. Using the experimental data from the superconductor, the proposed method is applied to minimize the usage of superconductor in a 10-MW superconducting direct drive wind turbine generator.
Original languageEnglish
JournalIEEE Transactions on Applied Superconductivity
Issue number5
Pages (from-to)5202708
Number of pages8
Publication statusPublished - 2013


  • High-temperature superconductors (HTSs)
  • Superconducting rotating machines
  • Superconducting wind turbine generator
  • Synchronous generators
  • Wind Power Generation


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