Power conversion system for electrically driven mobility device and method for controlling same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11757352
APP PUB NO 20220368215A1
SERIAL NO

17470107

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Abstract

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A power conversion system for electrically driven mobility device includes a first energy storage device and a second energy storage device having a voltage output lower than a voltage of the first energy storage device, a relay having one terminal connected to the first energy storage device, a DC link capacitor connected to the other terminal of the relay, a first DC converter provided between the DC link capacitor and the second energy storage device and capable of bidirectional voltage conversion, and a controller configured to control the first DC converter to convert a level of the voltage of the second energy storage device and to apply the voltage having the converted level to the capacitor before switching of the relay from an off state to an on state to charge the DC link capacitor to a preset voltage or higher, and then to switch the relay to the on state.

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Patent Owner(s)

Patent OwnerAddress
HYUNDAI MOTOR COMPANY12 HEOLLEUNG-RO SEOCHO-GU SEOUL 06797
KIA CORPORATION12 HEOLLEUNG-RO SEOCHO-GU SEOUL 06797

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ha, Tae Jong Seoul, KR 17 13
Kang, Byung Gu Hwaseong-si, KR 17 68
Lee, Dae Woo Incheon, KR 116 653

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