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This paper extends the voltage-doubler concept to the single-phase SEPIC rectifier in discontinuous conduction mode and, as a consequence, novel rectifiers are proposed. A comparison with the classic SEPIC rectifier shows that the proposed converters can either provide reduced voltage stress on the semiconductors for the same output voltage level or supply double the gain of the output voltage with...
This paper proposes a single-phase SEPIC rectifier that works in discontinuous conduction mode (DCM). The proposed rectifier employs a three-stage switch and a voltage-doubler structure. Hence, it works as two half-wave rectifiers with the output voltages series-connected and thus it provides a higher voltage gain. The paper presents the theoretical analysis of the proposed structure and it also discusses...
This paper introduces a single-phase PWM rectifier topology based on a discontinuous conduction mode (DCM) SEPIC converter. The structure integrates two SEPIC rectifiers, which work as half-wave rectifiers, one for each half-line cycle, in a unique converter, and the novel rectifier is designed as voltage-doubler SEPIC rectifier. A comparison with the classic SEPIC rectifier shows that the proposed...
In this paper is proposed a novel single-phase PWM bridgeless rectifier, based on SEPIC converter topology, integrated with a modified switched capacitor cell. The structure has the absence of the diode bridge at the input port reducing the number of components and conduction losses. Besides, it has the presence of a switched capacitor cell, providing double gain at the output voltage. A comparison...
This paper proposes a novel single-phase PWM rectifier topology based on a DCM SEPIC integrated to a switched capacitor cell. A comparison with the classic SEPIC shows that the proposed converter might either provide reduced voltage stress on the semiconductors to the same output voltage level, or it might supply double the gain in the output voltage with the same voltage stress. As results, the proposed...
This paper presents the theoretical analysis and experimental results from a three-phase SEPIC-type rectifier operating in discontinuous conduction mode (DCM). The rectifier is suitable for applications in the electronic energy processing of small wind energy conversion systems based on permanent magnetic synchronous generators. The rectifier is capable of providing high power factor without the use...
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