Title:
A POWER SUPPLY AND DISTRIBUTION SYSTEM FOR AN ELECTRIC VEHICLE AND A METHOD FOR OPERATING A POWER SUPPLY SYSTEM FOR AN ELECTRIC VEHICLE
Document Type and Number:
WIPO Patent Application WO/2023/231977
Kind Code:
A1
Abstract:
The disclosure relates to a power supply and distribution system (1) for an electric vehicle, comprising: a High Voltage power source (2) connected to a first DC-DC converter (DCDC1) and a second DC-DC converter (DCDC2), each of the first DC-DC converter (DCDC1) and the second DC-DC converter (DCDC2) producing Low Voltage DC to a first primary power supply line (PS1) for a first group of critical low voltage equipment (DCDC2) and a second primary power supply line (PS2) for a second group of critical low voltage equipment (5), respectively; wherein the first primary power supply line (PS1) and the second primary power supply line (PS2) are connected in parallel to Variable Electrical Loads (VEL) via a dual back-to-back switch unit (S), the dual back-to-back switch (SW) comprising a first back-to-back switch (SW1) and a second back-to-back switch (SW2) each individually controlled by at least a first microcontroller unit (MCU1). The disclosure further relates to a method for operating a power supply system (1) for an electric vehicle.
Inventors:
SORANI HEZA (SE)
FETIU FEHMI (SE)
HÖGLUND NILS (SE)
FRANZÉN LINUS (SE)
FETIU FEHMI (SE)
HÖGLUND NILS (SE)
FRANZÉN LINUS (SE)
Application Number:
PCT/CN2023/096886
Publication Date:
December 07, 2023
Filing Date:
May 29, 2023
Export Citation:
Assignee:
NINGBO GEELY AUTOMOBILE RES & DEVELOPMENT CO LTD (CN)
GEELY HOLDING GROUP CO LTD (CN)
GEELY HOLDING GROUP CO LTD (CN)
International Classes:
H02J1/10; B60R16/03
Domestic Patent References:
| WO2021075408A1 | 2021-04-22 |
Foreign References:
| DE102013225020A1 | 2015-06-11 | |||
| US5654859A | 1997-08-05 | |||
| US20180229609A1 | 2018-08-16 |
Attorney, Agent or Firm:
KING & WOOD MALLESONS (CN)
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