A configuration of a self-excited induction generator supplying DC loads with constant voltage through a diode bridge rectifier and a buck-type DC–DC converter is proposed. The rectifier input current is made continuous, by connecting a suitably designed series filter inductor. The method of binary search algorithm is used to solve for the operating parameters of the generator. The performance of the entire unit is predetermined for the various patterns of speed and power operations. For the dynamic analysis of the induction machine, an abc-dq modeling has been employed and the simulation results on the unit are obtained under both steady state and transient state using MATLAB/Simulink toolbox. A prototype model of the unit has been built in the laboratory and the experimental results have been presented, thereby validating the performance and usefulness of the system.
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