Abstract
In this paper, an odd-harmonic repetitive control scheme with phase lead compensation is proposed for CVCF PWM converters. The proposed repetitive controller that combines an odd-harmonic periodic generator with a poles-zeros-cancellation phase lead filter occupies less data memory that a conventional repetitive controller does. And it offers faster monotonic convergence of the tracking error; and yields nearly exact tracking accuracy (very low THD and tracking error RMS). Analysis and design of such an odd-harmonic repetitive control system are completely discussed. Simulation results of a single-phase PWM inverter with proposed repetitive controller are illustrated to validate the proposed approach.
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