Print Email Facebook Twitter Short-circuit characteristics of superconducting permanent magnet generators for 10 MW wind turbines Title Short-circuit characteristics of superconducting permanent magnet generators for 10 MW wind turbines Author Liu, Dong (Hohai University) Song, Xiaowei (Vestas Wind System A/S) Wang, X. (TU Delft Transport Engineering and Logistics) Elhindi, Mohamed (Hohai University) Hasanov, Urfan (Hohai University) Gou, Xiaofan (Hohai University) Ye, Changqing (Hohai University) Date 2021 Abstract Superconducting permanent magnet generators (SCPMGs) are a potential candidate for 10 MW direct-drive wind turbine applications. This paper presents two 10 MW SCPMG designs using MgB<sub>2</sub> cables for the armature winding and investigates the short-circuit characteristics of the designed SCPMGs. The first part of the results shows that the SCPMGs can double the shear stress of a conventional low-speed permanent magnet (PM) generator (from 65 kPa to 130 kPa) whilst avoiding demagnetization of the PMs in rated-load operation. However, the power factor has to drop to a range of 0.7-0.8. The second part of the results shows that during a sudden three-phase short circuit, the superconducting armature winding is prone to quench and the PMs are likely to be demagnetized in both proposed designs. Subject DemagnetizationMgB2permanent magnetshort circuitsuperconducting generatorwind turbine To reference this document use: http://resolver.tudelft.nl/uuid:ccd741ed-c338-44a0-bff3-17208de8cc2e DOI https://doi.org/10.1109/TASC.2021.3056996 ISSN 1051-8223 Source IEEE Transactions on Applied Superconductivity, 31 (5) Bibliographical note Accepted Author Manuscript Part of collection Institutional Repository Document type journal article Rights © 2021 Dong Liu, Xiaowei Song, X. Wang, Mohamed Elhindi, Urfan Hasanov, Xiaofan Gou, Changqing Ye Files PDF 09346020.pdf 1.09 MB Close viewer /islandora/object/uuid:ccd741ed-c338-44a0-bff3-17208de8cc2e/datastream/OBJ/view