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    Dynamic frequency scaling to improve converter efficiency

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    12608041_Duke.pdf (1.036Mb)
    Author
    Turner, R.
    Duke, R.
    Walton, S.
    Date
    2007
    Permanent Link
    http://hdl.handle.net/10092/2145

    A controller, suitable for medium to high power switching converters (1kW to 1MW), is proposed that dynamically changes the output PWM carrier frequency. The control objective is to optimise the choice of switching frequency so as to maximise overall converter efficiency, while providing a good transient performance. A range of control techniques which can determine when to change the PWM switching frequency are investigated. The practical limitations imposed by conventional PWM controllers and DSPs used in switching converter control are also considered.

    Subjects
    PWM
     
    converter efficiency
     
    digital controller
     
    Fields of Research::290000 Engineering and Technology::290900 Electrical and Electronic Engineering::290903 Other electronic engineering
     
    Fields of Research::290000 Engineering and Technology::299900 Other Engineering and Technology::299904 Engineering/technology instrumentation
    Collections
    • Engineering: Conference Contributions [2012]
    Rights
    https://hdl.handle.net/10092/17651

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