US 12,074,548 B2
Electrified vehicle and method of controlling same
Myung Ho Kim, Incheon (KR); Young Seul Lim, Seoul (KR); Sang Cheol Shin, Suwon-si (KR); and Kang Ho Jeong, Siheung-si (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); and KIA CORPORATION, Seoul (KR)
Filed by Hyundai Motor Company, Seoul (KR); and Kia Corporation, Seoul (KR)
Filed on Mar. 6, 2023, as Appl. No. 18/117,686.
Claims priority of application No. 10-2022-0092535 (KR), filed on Jul. 26, 2022.
Prior Publication US 2024/0039448 A1, Feb. 1, 2024
Int. Cl. H02P 27/06 (2006.01); B60L 3/00 (2019.01); B60L 53/22 (2019.01); H02J 7/00 (2006.01); H02M 1/00 (2007.01); H02M 1/34 (2007.01); H02M 7/539 (2006.01); H02P 29/024 (2016.01)
CPC H02P 27/06 (2013.01) [B60L 3/003 (2013.01); B60L 53/22 (2019.02); H02J 7/00308 (2020.01); H02J 7/007 (2013.01); H02M 1/0054 (2021.05); H02M 1/348 (2021.05); H02M 7/539 (2013.01); H02P 29/0241 (2016.02)] 20 Claims
OG exemplary drawing
 
1. An electrified vehicle comprising:
a motor comprising a plurality of coils;
a first inverter having a DC terminal, and comprising a plurality of legs respectively connected to one end of each of the plurality of coils;
a second inverter connected to the DC terminal, and comprising a plurality of legs respectively connected to the other end of each of the plurality of coils;
a plurality of transfer switches respectively having one end connected to a neutral terminal for the plurality of coils and the other end connected to the other end of each of the plurality of coils;
an overvoltage protection circuit comprising a clamping switch, a resistor, and a capacitor, and connected to the neutral terminal and the DC terminal; and
a controller controlling a turned-on state of the plurality of transfer switches according to a motor driving mode, wherein, when the motor is driven, the controller controls a turned-on state of the clamping switch.