Controlling Operation of a Converter Having a Plurality of Semiconductor Switches for Converting High Power Electric Signals from DC to AC or from AC to DC
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United States of America Patent
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Issued Date -
Dec 11, 2014
app pub date -
Jun 4, 2014
filing date -
Jun 5, 2013
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Abandoned
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Abstract
A method for controlling operation of a power converter is provided. The method includes determining, in a rotating dq-reference frame, a direct current error signal and a quadrature current error signal, performing a first control procedure, and performing a second control procedure. The method also includes obtaining a direct voltage control signal by subtracting a signal resulting from the second control procedure from a signal resulting from first control procedure, and obtaining a quadrature voltage control signal by adding a signal resulting from the second control procedure to a signal resulting from the first control procedure. The method includes executing a transformation from the rotating dq-reference frame to a stationary abc-reference frame based on the obtained signals, and controlling switching states of the plurality of semiconductor switches based on the signals resulting from the executed transformation from the rotating dq-reference frame to the stationary abc-reference frame.
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