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Motivation

Motivation. In 2020, 85% of offshore wind turbine installations will be larger than 5 MW. BARD 5MW. Global Offshore Wind Energy Markets and Strategies,2009. Wind Turbines: Constantly Growing. How big? UpWind Project: A 20 MW Wind Turbine is Feasible. www.upwind.eu. Superconducting Machines.

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Motivation

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  1. Motivation In 2020, 85% of offshore wind turbine installations will be larger than 5 MW BARD 5MW Global Offshore Wind Energy Markets and Strategies,2009

  2. Wind Turbines: Constantly Growing • How big? • UpWind Project: A 20 MW Wind Turbine is Feasible www.upwind.eu

  3. Superconducting Machines • Converteam (ALSTOM): 5 MW HTS • Siemens: 400 kW Courtesy of Siemens, Converteam (ALSTOM)

  4. Power Applications : Electrical Machines • 36.5 MW, 120 rpm (U.S. Navy, AMSC) Courtesy of AMSC

  5. Enercon 4.5 MW, 13 rpm 220 tonnes AMSC, 36.5MW, 120rpm, 75 tonnes Harakosan 1.5MW,18 rpm,47 tonnes Direct-Drive Solutions All data available at goo.gl/ZZivv (*) D. Bang et.al. “Review of Generator Systems for Direct-Drive Wind Turbines,” 2008,

  6. Reliability of Wind Turbines ~1MW, 1500 onshore turbines Hahn, B., & Durstewitz, M. (2007). Wind Energy-Reliability of Wind Turbines.

  7. Reliability? Issues with Superconducting Generators SeaTitan AMSC, 10 MW, 10 rpm Direct-drive superconducting generator • Cooling System • Cryogenic Couplers • Electric Brushes • Transient torques on SC • Demagnetization for Bulk SC • AC losses on SC wire

  8. Transverse Flux HTSG

  9. Transverse Flux HTSG • Pros • Single Stationary SC Coil • No Brushes • No Cryogenic Coupler • Bidirectional flux • High Torque Density • Cons • Magnetic Attraction Forces • 3D Flux (Soft magnetic composites needed)

  10. Electromagnetic Modelling

  11. Main Specifications

  12. Next Stage: Linear Prototype

  13. Next Stage: Linear Prototype

  14. THANKS

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