Reliability comparison of DFIG drive train configuration with PMG drive train configuration in the first 5 years of operation

James Carroll, Alasdair McDonald, David McMillan

Research output: Contribution to conferencePaperpeer-review

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Modern wind turbines vary greatly in their drive train configurations. With the variety of options available it can be difficult to determine which type is most suitable for on and offshore applications. A large percentage of modern drive trains consist of either doubly fed induction generators with partially rated converters or permanent magnet generators with fully rated converters. These configurations were the focus of this empirical reliability comparison. The turbine population for the analysis contained over 1800 doubly fed induction generator (DFIG) turbines and 400 permanent magnet generator (PMG) fully rated converter (FRC) turbines. The findings of this analysis show that, due to the poorer reliability of the FRC, the DFIG configuration proved the most reliable.
Original languageEnglish
Publication statusPublished - Sep 2014
Event3rd Renewable Power Generation Conference (RPG) - Naples, Italy
Duration: 24 Sep 201425 Sep 2014


Conference3rd Renewable Power Generation Conference (RPG)


  • doubly fed induction generator
  • DFIG
  • permanent magnet generator
  • PMG
  • wind turbines
  • drive trains
  • DFIG configurations

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