Harmonic neutralized frequency changer (HFNC) control system and a HFNC including the same
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United States of America Patent
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Apr 5, 2016
Grant Date -
Jun 18, 2015
app pub date -
Dec 18, 2013
filing date -
Dec 18, 2013
priority date (Note) -
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Abstract
A control system for a harmonic neutralized frequency changer. The control system includes a processor, a narrow band harmonic controller and a fundamental current controller. The narrow band harmonic controller is communicably connected to the processor and is configured to reduce a positive sequence component, a negative sequence component and a zero sequence component of a harmonic generated by a cycloconverter of the harmonic neutralized frequency changer. The fundamental current controller is communicably connected to the processor and is configured to reduce a fundamental frequency component of current flowing in a neutralization inverter of the harmonic neutralized frequency changer.
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