Optimization and comparison of superconducting generator topologies for a 10 MW wind turbine application

Dong Liu, Henk Polinder, Asger Bech Abrahamsen, Ewoud Stehouwer, Ben Hendriks, Niklas Magnusson

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    Abstract

    A direct-drive superconducting generator (DDSCG) is proposed for 10 MW wind turbines in the INNWIND.EU project. To fit the generator into the "king-pin" conceptual nacelle design, the generator structure with inner stationary superconducting (SC) field winding and outer rotating copper armature winding is investigated in the first research phase. Since the cost is an important performance indicator for this application, this paper presents a method to minimize the active material cost of the "king-pin" fitted DDSCG. In this method a relatively fast optimization program is developed with 2D non-linear finite element models. By implementing this method, three typical superconducting generator topologies are compared in terms of the active material cost and mass, the synchronous reactance and the phase resistance. The optimization method and the comparison results provide the DDSCG designers with a guideline for selecting a suitable machine topology.
    Original languageEnglish
    JournalThe International Journal of Applied Electromagnetics and Mechanics
    Volume53
    Issue numberSuppl. 2
    Pages (from-to)191-202
    ISSN1383-5416
    DOIs
    Publication statusPublished - 2017
    Event13th International Workshop on Optimization and Inverse Problems in Electromagnetism - Delft, Netherlands
    Duration: 10 Sept 201412 Sept 2014
    Conference number: 13
    http://www.oipe2014.nl/

    Workshop

    Workshop13th International Workshop on Optimization and Inverse Problems in Electromagnetism
    Number13
    Country/TerritoryNetherlands
    CityDelft
    Period10/09/201412/09/2014
    Internet address

    Keywords

    • Comparison
    • MgB2
    • Optimization
    • Superconducting generator
    • Topology
    • Wind turbine

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