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公开(公告)号：US20220085744A1
公开(公告)日：2022-03-17
申请号：US17295217
申请日：2019-01-07
Applicant: LG ELECTRONICS INC.
Inventor： Jungdae LEE , Sanggi KO , Jaeyoon OH , Gilsu LEE
Abstract: The present specification relates to a motor control device, a motor control system, and a motor control method. The motor control device measures a ripple voltage of a DC link capacitor to determine an appropriate switching frequency according to the ripple voltage, and causes a plurality of arithmetic processing units to selectively control a switching operation of the switching unit according to the determined switching frequency.
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