A Low-Power AC-DC Single-Stage Converter With Reduced DC Bus Voltage Variation

A new low-power single-stage ac-dc converter is proposed in the paper. The outstanding feature of the converter is that it can operate with a sinusoidal input current and a low primary-side dc bus voltage that is much less variable than that found in other single-stage converters. The operation of t...

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Veröffentlicht in:	IEEE transactions on power electronics 2012-08, Vol.27 (8), p.3714-3724
Hauptverfasser:	Golbon, Navid, Moschopoulos, Gerry
Format:	Artikel
Sprache:	eng
Schlagworte:	AC-DC converter AC-DC power converters Applied sciences Capacitors Circuit properties dc bus voltage Demagnetization Disturbances. Regulation. Protection Electric currents Electric, optical and optoelectronic circuits Electrical engineering. Electrical power engineering Electrical power engineering Electronic circuits Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Flyback transformers Inductance Inductors low-power converter Power electronics, power supplies Power networks and lines Power supply Prototypes Signal convertors single-stage converter Switches
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Beschreibung
Zusammenfassung:	A new low-power single-stage ac-dc converter is proposed in the paper. The outstanding feature of the converter is that it can operate with a sinusoidal input current and a low primary-side dc bus voltage that is much less variable than that found in other single-stage converters. The operation of the converter is discussed in the paper and its various modes of operation are explained in detail. An analysis of the converter's steady-state characteristics is performed and the results are used in the design of the converter. Experimental results obtained from a prototype converter are also presented.
ISSN:	0885-8993 1941-0107
DOI:	10.1109/TPEL.2012.2183619