Studies on improving efficiency and quality of a hybrid wind turbine generating system with a thyristor inverter

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A wind turbine generating system generally has a difficulty in generating a stable power because the velocity of natural wind changes all the time and the system output cannot be kept always constant. Thus, a novel hybrid wind turbine generating system on the basis of a wind turbine generating system using a current source thyristor inverter for generating a constant output power for the cases when the wind velocity fluctuates is proposed. In the proposed system, high quality of output voltage waveform is always obtained with the system of very simple configuration. It is investigated that the hybrid wind turbine generating system can be put into practical use.