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  4. Ground Testing of the World's First MW-Class Direct Drive Superconducting Wind Turbine Generator
 
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2020
Journal Article
Title

Ground Testing of the World's First MW-Class Direct Drive Superconducting Wind Turbine Generator

Abstract
The EU-funded EcoSwing project addresses the world's first full-scale direct-drive (DD) high temperature superconducting (HTS) wind turbine generator. Before installing the generator on a commercial wind turbine, the generator was tested on the ground at the Dynamic Nacelle Testing Laboratory (DyNaLab) in Fraunhofer Institute for Wind Energy Systems (IWES), serving as an experimental validation of the generator design. This paper is centered on the ground testing of the EcoSwing HTS generator, which includes corresponding tests for validating the generator's cryogenic design and electromagnetic performance. Despite one HTS coil with a defect limiting the operating current significantly, partial power production up to 1 MW at 14.5 rpm was reached. The critical auxiliary systems, i.e., vacuum system and rotary helium coupling, behaved as expected or even better than anticipated. The work reported in the paper successfully validates the generator design, and also provides firsthand information prior to installing and testing the HTS generator on the wind turbine.
Author(s)
Song, X.
Envision Energy Aps
Bührer, C.
Eco 5 GmbH
Brutsaert, P.
Jeumont Electric
Ammar, A.
Jeumont Electric
Krause, J.
ECO 5 GmbH
Bergen, A.
University of Twente
Winkler, T.
University of Twente
Dhalle, M.
University of Twente
Hansen, J.
Envision Energy Aps
Rebsdorf, A.V.
Envision Energy Aps
Wessel, S.
University of Twente
Brake, M. ter
University of Twente
Bauer, M.
Theva Dünnschichttechnik GmbH
Kellers, J.
ECO 5 GmbH
Wiezoreck, J.
ECO 5 GmbH
Pütz, H.
Eco 5 GmbH
Kyling, H.
Fraunhofer-Institut für Windenergiesysteme IWES  
Boy, H.
Sumitomo (SHI) Cryogenics of Europe GmbH
Seitz, E.
Sumitomo (SHI) Cryogenics of America
Journal
IEEE transactions on energy conversion  
Project(s)
Ecoswing  
Funder
European Commission EC  
Open Access
DOI
10.1109/TEC.2019.2960255
Language
English
Fraunhofer-Institut für Windenergiesysteme IWES  
Keyword(s)
  • direct-drive

  • ground testing

  • high temperature superconductor

  • quench

  • wind turbine generator

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