Patents Represented by Attorney Eugene F. Derenyl

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  • Single-stage buck-boost inverter
    Patent number: 7333349
    Abstract: An improved Single-Stage Buck-Boost inverter (S2B2 Inverter) is provided, using only three or four power semiconductor switches and two coupled inductors in a flyback arrangement. The inverter can handle a wide range of dc input voltages and produce a fixed ac output voltage. The inverter is well suited to distributed power generation systems such as photovoltaic and wind power and fuel cells, for standalone or grid connected applications. The inverter has a single charge loop, a positive discharge loop and a negative discharge loop.
    Type: Grant
    Filed: March 31, 2005
    Date of Patent: February 19, 2008
    Assignee: University of New Brunswick
    Inventors: Liuchen Chang, Zhuomin Liu