ABSTRACT:

Single-phase two-state boost rectifiers with sinusoidal input current are presented and a novel topology with two active power devices is proposed. These contain a capacitor for pumping action in DC circuit. This gives two-stage boost operation to obtain higher DC output voltage. The rectifier can be operated in the switch mode for pumping action and for forcing the input current to follow its sinusoidal reference independent of the working conditions. The results of the proposed rectifier are compared with those of the rectifier with a single active power device. The prototype tested is implemented to investigate the steady-state operation in the output voltage regulation. The experimental and the simulated results prove that the proposed rectifier has the expected performance.


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