Coreless Transformer based High Voltage Generator for Intense Magnetic Field Applications

Saijun Mao, Jan Abraham Ferreira

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A coreless transformer based high voltage (HV) generator is proposed for the intense magnetic field harsh environment applications. Considering the characteristics of low coupling coefficient, small magnetizing inductance and large winding capacitance of the coreless HV transformer, the first harmonic approximation (FHA) based analytical equivalent circuit model are derived by using T type equivalent circuit for the coreless transformer with the coupled inductor model. A 310kHz frequency, 310W output power and 1 kV output HV generator prototypes with litz wire coreless HV transformer are built in lab to validate the contributions of this paper.
Original languageEnglish
Title of host publication2020 IEEE Applied Power Electronics Conference and Exposition (APEC)
Place of PublicationPiscataway, NJ
Number of pages4
ISBN (Electronic)978-1-7281-4829-8
ISBN (Print)978-1-7281-4830-4
Publication statusPublished - 25 Jun 2020
EventIEEE Applied Power Electronics Conference and Exposition, APEC 2020 - New Orleans, United States
Duration: 15 Mar 202019 Mar 2020


ConferenceIEEE Applied Power Electronics Conference and Exposition, APEC 2020
Country/TerritoryUnited States
CityNew Orleans


  • High voltage generator
  • High frequency
  • Transformer
  • Coreless
  • 22/2 OA procedure

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