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Power inverter implementing phase skipping control

United States Patent

October 18, 2016
View the Complete Patent at the US Patent & Trademark Office
A power inverter includes a DC/AC inverter having first, second and third phase circuitry coupled to receive power from a power source. A controller is coupled to a driver for each of the first, second and third phase circuitry (control input drivers). The controller includes an associated memory storing a phase skipping control algorithm, wherein the controller is coupled to receive updating information including a power level generated by the power source. The drivers are coupled to control inputs of the first, second and third phase circuitry, where the drivers are configured for receiving phase skipping control signals from the controller and outputting mode selection signals configured to dynamically select an operating mode for the DC/AC inverter from a Normal Control operation and a Phase Skipping Control operation which have different power injection patterns through the first, second and third phase circuitry depending upon the power level.
Somani; Utsav (Orlando, FL), Amirahmadi; Ahmadreza (Orlando, FL), Jourdan; Charles (Orlando, FL), Batarseh; Issa (Orlando, FL)
University of Central Research Foundation, Inc. (Orlando, FL)
14/ 271,949
May 7, 2014
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with U.S. Government support under DOE Award Number: DE-EE0003176 awarded by the U.S. Department of Energy (DOE). The U.S. Government has certain rights in this invention.