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Optimal design of dual stator-winding induction generator with variable speed based on improved genetic algorithm

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3 Author(s)
Liu Lingshun ; Nanjing Univ. of Aeronaut. & Astronaut., China ; Hu Yuwen ; Huang Wenxin

The idea of applying the novel dual stator-winding induction generator based on PWM converter to aviation, tank and automobile supply is presented. The minimization to converter's reactive power of control winding is the key to optimization of the system. The determination of excited capacitors to minimize the reactive power of control winding under variable speed is given. The calculating capacity of the machine with a diode bridge rectifier load is proposed. The expression between the current of control winding and parameters of generator is derived. To achieve global searching and improve optimization efficiency, the improved real-coded genetic algorithm is presented. The prototype of 18 kW, 270 V with DC output is designed. The results show this scheme has prominent effect to reduce reactive power of control winding, and the capacity of converter can be reduced to 1/3 of output rated power, which makes the dimension of inverter much smaller. This is rather benefiting for the applications to the above isolated supply system.

Published in:

2005 International Conference on Electrical Machines and Systems  (Volume:3 )

Date of Conference:

27-29 Sept. 2005