A Modular Superconducting Generator for Offshore Wind Turbines

O. Keysan, D. Olczak, M.A. Mueller

Research output: Contribution to journalArticlepeer-review

Abstract

In this study, a new claw-pole type transverse flux superconducting generator topology is presented. The machine has a stationary superconducting field winding, which eliminates electrical brushes and cryocouplers. The machine is specifically designed for low-speed high torque applications such as large offshore wind turbines. The proposed machine is robust and has a modular structure. A 30 kW, 100 rpm prototype is planned to be manufactured to prove the concept. MgB2, YBCO, and BSSCO wires are compared in terms of wire length, operating temperature, and critical temperature. The magnetic flux penetrating into superconducting wire has been simulated using 3D FEA software. Moreover, mechanical loads are estimated and the deflections in the structure are analysed.
Original languageEnglish
Pages (from-to)2103-2108
Number of pages6
JournalJournal of Superconductivity and Novel Magnetism
Volume26
Issue number5
DOIs
Publication statusPublished - May 2013

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