Title:
BATTERY WARM-UP METHOD AND BATTERY WARM-UP DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/095466
Kind Code:
A1
Abstract:
Provided is a battery warm-up method for warming up, in an electric vehicle in which a battery and an electric motor unit including an electric motor and an inverter for adjusting electric power of the electric motor are disposed in a common cooling circuit, the battery when the electric motor is stopped due to a stop of the electric vehicle. In particular, this battery warm-up method involves: executing the rotor position adjusting process for adjusting, to a predetermined target stop position, a rotor position at the time when the electric motor is stopped; and executing the d-axis current adjusting process for warming up the battery by operating a d-axis current in a state where the rotor position is adjusted to the target stop position.
Inventors:
KIMURA YOSHIYASU (JP)
TAZOE KAZUHIKO (JP)
SATOU SHOU (JP)
SHOUJI MITSUHIRO (JP)
TAZOE KAZUHIKO (JP)
SATOU SHOU (JP)
SHOUJI MITSUHIRO (JP)
Application Number:
PCT/JP2022/041210
Publication Date:
May 10, 2024
Filing Date:
November 04, 2022
Export Citation:
Assignee:
NISSAN MOTOR CO LTD (JP)
International Classes:
B60L58/25; B60L3/00
Attorney, Agent or Firm:
GOTOH & PARTNERS (3-1 Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, JP)
Download PDF: