Isolated Boost Converters

Two implementations of the isolated boost converter that exhibit no parasitic voltage ringing across all semiconductor devices on the primary and secondary sides of the transformer are introduced. Ringing-free operation is achieved by clamping the voltages of the primary switches and rectifiers to t...

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Bibliographic Details
Published in:	IEEE transactions on power electronics Vol. 22; no. 4; pp. 1514 - 1521
Main Authors:	Yungtaek Jang, Jovanovic, M.M.
Format:	Journal Article
Language:	English
Published:	New York, NY IEEE 01-07-2007 Institute of Electrical and Electronics Engineers The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Applied sciences Capacitors Circuit properties Circuits Clamping Clamps Converters Convertors Current sharing Diodes dual ac input Electric currents Electric potential Electric, optical and optoelectronic circuits Electrical engineering. Electrical power engineering Electrical machines Electronic circuits Electronics Exact sciences and technology Filters Inductance isolated boost converter Power electronics, power supplies power factor correction (PFC) Prototypes Rectifiers Semiconductor devices Semiconductors Signal convertors Switched capacitor circuits Switches Switching circuits Topology Transformers and inductors Voltage Performance evaluation Electric transformer Rectifier Power converter Prototype Up converter Energy storage capacitor Power factor correction Power capacitor Power electronics isolated boost converter Implementation dual ac input Semiconductor device Current sharing Current distribution Power factor regulation power factor correction (PFC) Selector switch
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Summary:	Two implementations of the isolated boost converter that exhibit no parasitic voltage ringing across all semiconductor devices on the primary and secondary sides of the transformer are introduced. Ringing-free operation is achieved by clamping the voltages of the primary switches and rectifiers to the voltage of the primary-side energy-storage capacitor and clamping the voltage across the secondary-side rectifiers to the output filter capacitor. The performance of the proposed topology was verified on a dual ac-input, 900-W experimental prototype operating at 67 kHz.
Bibliography:	ObjectType-Article-2 SourceType-Scholarly Journals-1 ObjectType-Feature-1 content type line 23
ISSN:	0885-8993 1941-0107
DOI:	10.1109/TPEL.2007.900528