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公开(公告)号：US20220123684A1
公开(公告)日：2022-04-21
申请号：US17428117
申请日：2020-01-14
Applicant: Hitachi Astemo, Ltd.
Inventor： Hiroyoshi GOMI , Masaki ITABASHI , Yawara KATO , Kazutoshi TANABE
Abstract: A motor actuator of the present invention includes, between a battery and an inverter, a first solid state relay and a second solid state relay in which directions of parasitic diodes are opposite to each other. When supply of power from the battery to the inverter is to be interrupted, the first solid state relay is brought into an OFF state or all of a plurality of field effect transistors are brought into the OFF state, and then the second solid state relay is brought into the OFF state.
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