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VIRTUAL OSCILLATOR CONTROL

United States Patent Application

20170316135
A1
View the Complete Application at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
Virtual oscillator control systems, devices, and techniques are provided. One example device includes a processor configured to implement a virtual oscillator circuit and output an oscillating waveform based on the virtual oscillator circuit and power electronics operatively coupled to the processor and configured to convert, based on the oscillating waveform, direct current (DC) electricity to alternating current (AC) electricity. The processor may be further configured to extract, from the virtual oscillator circuit, a virtual current based on an output current of the AC electricity, and output the oscillating waveform further based on an input voltage of the DC electricity.
JOHNSON, Brian Benjamin (Denver, CO), AINSWORTH, Nathan (Brown Deer, WI), DHOPLE, Sairaj Vijaykumar (Minneapolis, MN), SINHA, Mohit (St. Paul, MN), DORFLER, Florian Anton (Zurich, CH)
15/ 581,824
April 28, 2017
CONTRACTUAL ORIGIN [0002] The United States Government has rights in this invention under Contract No. DE-AC36-08GO28308 between the United States Department of Energy and Alliance for Sustainable Energy, LLC, the Manager and Operator of the National Renewable Energy Laboratory.