Abstract
A single-phase voltage-quadrupler rectifier with sinusoidal input current is presented. This has the circuit configuration that is based on the combination of a half-bridge rectifier and pump circuits. The circuit can be operated in the switching states for pumping action to pump twice the peak supply voltage onto each of the output capacitor and for forcing the input current to follow its sinusoidal reference in the vicinity of a zero crossing of the supply. The prototype tested, using the insulated gate bipolar transistors and a controller for the output voltage regulation, is implemented to investigate the operation. The experimental and the simulated results confirm that the input current can be waveshaped sinusoidally with a near-unity power factor.
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