Application of ultrahigh speed induction machine for waste or renewable energy recovery

Zoltán Varga, Péter Stumpf, Rafael K. Járdán, István Nagy

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Applications of Ultrahigh Speed Induction Machine (USIM) in a system developed for utilization of renewable and waste energies is described. It can be applied in Distributed Generation Systems. The energy conversion is made by a turbine-generator set. USIM has a number of technical and economical benefits over synchronous generators. The following studies are presented: scalar speed control of the turbine-generator set applying an accurate and approximate model, the adverse effect of subharmonics generated by the PWM controlled voltage source converter and a novel self-excitation method developed specially for ultrahigh speed induction generators.

Original languageEnglish (US)
Pages (from-to)200-211
Number of pages12
JournalInternational Journal of Renewable Energy Research
Issue number4
StatePublished - Dec 1 2011
Externally publishedYes


  • Self excitation
  • Subharmonics
  • Ultrahigh speed drive
  • Waste energy recovery system


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