Single-phase sinusoidal rectifier with step-up/down characteristics

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Abstract
The paper presents single-phase rectifiers that employ capacitive and inductive energy storage/transfer mechanisms. These are derived from the Cuk convertor and single-ended primary inductor convertors, so that the step-up and step-down characteristics of the output voltage can be easily obtained. The supply current can be sinusoidally waveshaped with a near-unity power factor by means of current reference hysteresis control. To predict their steady-state and transient characteristics successfully the approximate state-space averaging method is introduced with a digital PID controller. The experimental and predicted results confirm the usefulness of the rectifiers prsented.

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