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International Journal of Electrical and Power Engineering
Year: 2007  |  Volume: 1  |  Issue: 1  |  Page No.: 53 - 61

Implementation of Variable Speed Induction Generator System

S. Deve Gowda and S. Rajapandian    

Abstract: A variable speed cage type Induction Generator system is simulated and implemented. The complete model consists of Induction Generator, PWM converter, PWM inverter and local load. The system studied maintains constant voltage when the speed is fluctuating. The advantages of PWM rectifier and PWM inverter are utilized. Circuit model for variable speed induction generator is developed and the simulation is done with resistive load, RL load and induction motor load. PWM rectifier has improved input Power factor and PWM inverter has reduced harmonics at the output. Simulation studies performed on the circuit model for variable speed cage machine wind generation unit show that the output voltage is constant even as the load changes. The hardware was successfully implemented using microcontroller 89C2051. The experimental results agree with the simulation results.

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