Control device of power converter, power conversion system, compressor driving system, flywheel power generation system, and control method for power converter
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United States of America Patent
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Apr 3, 2018
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N/A
app pub date -
Jun 6, 2017
filing date -
Jun 14, 2016
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Abstract
A control device of a power converter controls a system including a converter that converts alternating current (AC) power of a power supply into direct current (DC) power, an inverter that converts the DC power into AC power, a capacitor that is charged with and discharges the DC power, and a rotary electric machine that is driven by the AC power supplied from the inverter or regenerates the AC power to the power supply, the control device including: a vibration suppression control unit that outputs a torque current command correction value for canceling an axial vibration component due to a vibration frequency of a transmission system including the rotary electric machine and an output compensation control unit that outputs a correction value for suppressing AC power of the power supply fluctuated by the vibration suppression control unit to a voltage control unit of the converter.
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