In the combined-cycle power plant generators are started by using the igniting arrangement up to the ignition rotational speed of the gas turbine. On the other hand, in case of using the superconducting generator, it is difficult to apply the igniting arrangement used to generate electricity on the combined cycle for the structure as it is. Then, we examined the induction motor starting method of superconducting generator by using the 70MW class quick response excitation superconducting model generator and the VVVF power supply. In the result of examination, we confirmed to be able to raise the rotational speed from 6 to 360rpm. Moreover, it was clarified to be able to start 200MW class superconducting generator by the induction motor start method with the analysis.
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