Pub. Date:
VDM Verlag
New Generation Three-Phase Rectifier

New Generation Three-Phase Rectifier

by William Phipps


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This thesis describes the development of a new generation of three-phase rectifier, used to power telecommunications equipment. The traditional topology for such power converters is a single-phase two-stage design, with a boost converter providing power factor correction at the input to the first stage and an isolated dc-dc converter making up the second stage. A two-stage design results in the output power being processed twice and this cascade effect results in an overall reduction in efficiency. A rectifier solution is sought that meets with all the requirements of the telecommunications industry, while not displaying the inherent weaknesses associated with a boost-derived topology, and which can be realised in a single-stage design. A new three-phase rectifier, which is a single-stage buck-derived topology, is proposed. The new proposed rectifier is modular in nature, which has the added benefit of redundancy. As a result of the new three-phase rectifier having a single-stage topology, it is expected that the overall efficiency would reach close to 95%.

Product Details

ISBN-13: 9783639220698
Publisher: VDM Verlag
Publication date: 12/08/2009
Pages: 132
Product dimensions: 0.31(w) x 9.00(h) x 6.00(d)

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