Abstract
ABSTRACT In this study, a current source PWM rectifier (CS-PWM) system combined with vector-oriented control method has been developed for a three-phase self-excited induction generator (SEIG) supplying isolated DC load. Unlike the conventional rectifier scheme, the proposed CS-PWM rectifier uses two numbers of active switches in each leg that are connected with power diode in series to prevent the current reversal of DC link. The adopted decoupled control strategy maintains a constant DC load voltage of 220 V and CS-PWM rectifier input current harmonic content of only 4.82% at the rated 50 Hz frequency. The proposed system performance has been predetermined for various operating conditions using binary search algorithm (BSA) technique and the analysis has been carried out. An abc-dq modeling has been employed for the dynamic performance analysis of the induction generator and simulation of the proposed system has been carried out under both steady state and transient state using Matlab/Simulink toolbox to validate the successful working under various operating conditions.
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