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Medium speed permanent magnet generators (MS PMG)

MS PMGs represent a very compact, slower speed solution offering the highest efficiency with low maintenance needs. ABB produced the world´s first MS PMG Multibrid-type design in 2000: this has the turbine main bearing and PM generator integrated with a single-stage gearbox.

Benefits
  • Compact size with low turbine top-head mass
  • For multi-MW powers up to 7 MW and more
  • Highest efficiency levels (over 98 %) at all turbine speeds
  • Cost-efficient with low magnet mass

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