Effects of Armature Winding Segmentation with Multiple Converters on the Short Circuit Torque of 10-MW Superconducting Wind Turbine Generators

Dong Liu, Henk Polinder, Asger Bech Abrahamsen, Bram Ferreira

Research output: Contribution to journalArticleScientificpeer-review

5 Citations (Scopus)

Abstract

Superconducting synchronous generators (SCSGs) are drawing more attention in large direct-drive wind turbine applications. Despite low weight and compactness, the short circuit torque of an SCSG may be too high for wind turbine constructions due to a large magnetic air gap of an SCSG. This paper aims at assessing the effects of armature winding segmentation on reducing the short circuit torque of 10-MW SCSGs. A concept of armature winding segmentation with multiple power electronic converters is presented. Four SCSG designs using different topologies are examined. Results show that armature winding segmentation effectively reduce the short circuit torque in all the four SCSG designs when one segment is shorted at the terminal.
Original languageEnglish
Article number5200305
Pages (from-to)1-5
Number of pages5
JournalIEEE Transactions on Applied Superconductivity
Volume27
Issue number4
DOIs
Publication statusPublished - 2017

Keywords

  • wind turbine
  • Armature winding segmentation
  • short circuit
  • superconducting generator
  • topology
  • torque

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