PROJECT TITLE :
Performance Comparison of 10-MW Wind Turbine Generators With HTS, Copper, and PM Excitation
A conceptual structure for giant-scale wind turbine generators (WTGs) with high-temperature superconductor (HTS) excitation has been proposed. A unique electrical design method for this concept has been developed that can be also applied to conventional generators with copper coil and permanent magnet (PM) excitation with some modifications. Using the changed design program, electrical designs of 10-MW synchronous WTGs with HTS coil, copper coil, and PM excitation are conducted, and therefore the influence of machine parameters (like magnetic flux density in rotor iron cores, pole pitch, and stator outer diameter) on the basic generator performance is clarified. Primarily based on these results, the optimized styles of three types of WTGs rotating at the low speeds of 8 min−1 and ten min−1 are performed, and their basic performance is studied.
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