Abstract
Large-scale wind turbine high-temperature superconducting (HTS) synchronous generators (WTHGs) can directly meet the wind power systems under low speeds and have great merits such as lighter weight and higher efficiency than the conventional counterparts due to HTS carrying high current density. In this paper, an electrical design method of large-scale salient-pole WTHGs with different stator outer diameters is briefly shown. The basic machine parameters of the operating temperature, the magnetic flux density, and the number of poles for 10-MW WTHGs are optimized and determined considering the main generator performance (generator weight, HTS length, and generator efficiency). Then, the influence of the stator outer diameter on the main generator performance is made clear. Finally, the optimized design results of 10-MW WTHGs with different stator outer diameters are studied, and the magnetic flux simulation results are shown.
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