Motor control apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11831259
APP PUB NO 20220321035A1
SERIAL NO

17682136

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is a motor control apparatus that suppresses a steep rush current to a charging circuit and that can quickly start driving of a motor without depending on a current-limiting resistor. The motor control apparatus according to the present disclosure includes an inverter for driving a motor, a charging circuit for supplying electric power to the inverter, a relay circuit for connecting a charging circuit and a power supply terminal, a control unit for controlling the inverter and the relay circuit, and a pre-charging circuit that is provided in parallel with the relay circuit, that starts charging from the power supply terminal to the charging circuit after a power switch for connecting an external power source with the power supply terminal is turned on, and that completes charging of the charging circuit before the control unit starts operation thereof.

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Patent Owner(s)

Patent OwnerAddress
MITSUBISHI ELECTRIC CORPORATION7-3 MARUNOUCHI 2-CHOME CHIYODA-KU TOKYO 100-8310

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Matsumoto, Makoto Tokyo, JP 99 971
Muramoto, Yuichi Tokyo, JP 12 45
Sawada, Akihiro Tokyo, JP 62 621
Uchida, Hiroki Tokyo, JP 116 3487

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