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

Xiaowei Song*, Anders Varming Rebsdorf, Sander Wessel, Marcel ter Brake, Markus Bauer, Jurgen Kellers, Jan Wiezoreck, Hendrik Putz, Hans Kylling, Hermann Boy, Eric Seitz, Carsten Buhrer, Patrick Brutsaert, Aymen Ammar, Jens Krause, Anne Bergen, Tiemo Winkler, Marc Dhalle, Jesper Hansen

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)
1 Downloads (Pure)

Abstract

The EU-funded EcoSwing project addresses the world's first full-scale direct-drive (DD) high temperature superconducting (HTS) wind turbine generator. Before the generator was installed on a commercial wind turbine, the generator had been 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 article 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 article successfully validates the generator design, and also provides firsthand information prior to installing and testing the HTS generator on the wind turbine.

Original languageEnglish
Article number8935380
Pages (from-to)757-764
Number of pages8
JournalIEEE Transactions on Energy Conversion
Volume35
Issue number2
Early online date17 Dec 2019
DOIs
Publication statusPublished - 1 Jun 2020

Keywords

  • Direct-drive
  • ground testing
  • high temperature superconductor
  • quench
  • wind turbine generator
  • Direct-drive (DD)
  • high temperature superconductor (HTS)

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