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    Soft switched three-phase boost rectifiers and voltage source inverters

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    5633793.pdf (639.5Kb)
    Downloads: 83
    Publication Date
    1997-05-27
    Filing Date
    1995-01-23
    Inventor
    Lee, Fred C.
    Jiang, Yimin
    Metadata
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    Abstract
    A boost rectifier is provided with an ultra high speed diode in its direct current rail to reduce diode reverse recovery loss with or without implementing a soft switching technique. Full zero-voltage-transition (ZVT) as well as zero-current-transition (ZCT) may also be achieved by adding a simple auxiliary network across the DC rail which operates only during the short turn-on transients of the bridge switches. Similarly, a simple, inexpensive auxiliary circuit can be added to the DC rail of a conventional voltage source inverter shown to implement both ZVT and ZCT.
    Assignee
    Center for Innovative Technology
    Virginia Polytechnic Institute and State University
    Virginia Tech Intellectual Properties, Inc.
    Patent Number
    5633793
    Application Number
    8376365
    Source URL
    http://pimg-fpiw.uspto.gov/fdd/93/337/056/0.pdf
    Primary/U.S. Class
    363/127
    Other/U.S. Class
    363/132
    CPC Class
    H02M7/4826
    H02M7/062
    H02M7/219
    H02M7/5387
    Y02B70/1441
    Patent Type
    utility
    URI
    http://hdl.handle.net/10919/72342
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