In this project is addressed to the function of AC-DC converter operation and its modulation techniques. In recent years to developing pulse width modulation to used power conversion process. The many techniques of PWM to improve power production program. In this project focused Addresses a cost-effective, flexible solution of improvement of efficiency to three phase AC-DC converter using SVPWM(space vector pulse width modulation).The proposed converter has a better efficiency, especially under light-load condition and it was explained that this is because the energy from the output inductor can always be used to ensure that the very top and the very bottom switches can be turned ON with ZVS due to a discharge path that is introduced by its flying capacitor.
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