Apparatus for compensating for ripple and offset of inverter and method therefor
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United States of America Patent
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Nov 29, 2016
Grant Date -
Sep 29, 2016
app pub date -
Nov 14, 2013
filing date -
Nov 14, 2012
priority date (Note) -
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Abstract
An apparatus and method for compensating for a ripple and offset of an inverter and an apparatus and method for compensating for a ripple and offset of an inverter which removes a ripple component by compensating for an offset component included in a signal input to the inverter from an inverter controller. A method that senses a direct current (DC) input to an inverter from an inverter controller and an alternating current (AC) output from the inverter and removes a ripple component included in the DC based on the sensed currents, a method that removes a ripple component included in a reference voltage that is output from an inverter controller and is input to an inverter, and a method that compensates for an offset component of an AC voltage/AC used for inverter control and reduces a ripple component corresponding to an output frequency of an inverter.
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