Rotary electric machine driving device
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United States of America Patent
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Dec 13, 2016
Grant Date -
Dec 10, 2015
app pub date -
Mar 26, 2014
filing date -
Mar 29, 2013
priority date (Note) -
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Abstract
A rotary electric machine driving device including: an inverter that is electrically interposed between a direct-current power supply and the rotary electric machine, and converts electric power between a direct current and an alternating current; a smoothing capacitor that is electrically interposed between the direct-current power supply and the inverter, and is connected between a positive pole and a negative pole on a direct-current side of the inverter; an inverter control unit that controls switching of a switching element of the inverter according to a predetermined switching frequency; and an inductance control unit that switches a direct-current side inductance between a positive pole of the direct-current power supply and a positive pole of the smoothing capacitor, according to the switching frequency, between a predefined standard inductance and a high inductance that is higher than the standard inductance.
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