Question

Wind Energy a) Explain how an induction machine can be configured as DFIG to generate electricity b) With the aid of a sketch, explain the total losses of a DFIG, a ASG and a FSG asa function of wind-speed. c) For a 750kW wind turbine with a required generator rotor speed of 2200rpm, a blade length of 45m operating in 14m/s wind, and a TSR of 3.5, calculate (i) the blade rpm, (ii) the blade tip speed, (iii) the required gear box ratio, and (iv) the efficiency

Answer 1

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