Design and Preliminary Experiments of a Rotating Armature Partial Superconducting Air-Core Generator

Han Wook Cho, Tae Kyoung Bang, Jeong In Lee, Kyung Hun Shin, Hu Seung Lee, Jin Seok Hur, Kiruba S. Haran

Research output: Contribution to journalArticlepeer-review


In this study, a 10 MW-class superconducting generator that can be applied to electric propulsion aircraft and large-capacity wind turbines is proposed. An active shielding air-core rotating armature-type superconducting generator was designed to minimize the weight and maximize the power density. A 10 MW 3000 rpm class (specific power: 13.7 kW/kg) generator for an electric propulsion aircraft and a 10 MW 500 rpm class (specific power: 4.3 kW/kg) generator for a large-capacity wind turbine were designed, respectively. In addition, to experimentally verify the armature rotating partial superconducting air-core-type superconducting generator, small experimental devices were manufactured, and preliminary experiments were performed on the force characteristics of the superconducting coil and the generating characteristics of the rotating armature-type generator to verify the feasibility of the study.

Original languageEnglish (US)
Article number5202505
JournalIEEE Transactions on Applied Superconductivity
Issue number6
StatePublished - Sep 1 2022
Externally publishedYes


  • Air-core
  • electric propulsion aircraft
  • large-capacity wind turbine
  • rotating armature
  • superconducting generator

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering


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