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System and method for regulating resonant inverters

United States Patent

7,262,981
August 28, 2007
View the Complete Patent at the US Patent & Trademark Office
A technique is provided for direct digital phase control of resonant inverters based on sensing of one or more parameters of the resonant inverter. The resonant inverter control system includes a switching circuit for applying power signals to the resonant inverter and a sensor for sensing one or more parameters of the resonant inverter. The one or more parameters are representative of a phase angle. The resonant inverter control system also includes a comparator for comparing the one or more parameters to a reference value and a digital controller for determining timing of the one or more parameters and for regulating operation of the switching circuit based upon the timing of the one or more parameters.
Stevanovic; Ljubisa Dragoljub (Clifton Park, NY), Zane; Regan Andrew (Superior, CO)
General Electric Company (Niskayuna, NY)
10/ 853,695
20050265058
May 25, 2004
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with Government support under contract number DE-FC26-02NT41252 awarded by U.S. Department of Energy. The Government has certain rights in the invention.