Active filter control device
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United States of America Patent
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Dec 5, 2017
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N/A
app pub date -
Nov 25, 2013
filing date -
Dec 14, 2012
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Abstract
A harmonic component extraction unit obtains a command value of compensating current from a harmonic component of the load current. A difference current generation unit obtains a deviation between the compensating current and a value obtained by leading a phase of the command value by a predetermined phase difference. A current controller generates a control signal based on output of the difference current generation unit. A driving signal generation circuit generates, based on the control signal, a driving signal driving a parallel active filter.
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