公开(公告)号：US20230242008A1

公开(公告)日：2023-08-03

申请号：US17587632

申请日：2022-01-28

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Mark Daniel GOTTLIEB ,  Venkata Prasad ATLURI ,  Madhusudan RAGHAVAN ,  Chandra S. NAMUDURI ,  Suresh GOPALAKRISHNAN

IPC: B60L58/16 ,  B60L58/13 ,  H01M10/42

CPC classification number: B60L58/16 ,  B60L58/13 ,  H01M10/425 ,  H01M2010/4271 ,  H01M2010/4278 ,  H01M2220/20

Abstract: A power control system for a battery system of a vehicle includes one or more supplemental protection devices that are connected to at least one of a first contactor, a second contactor, one of N fuses, and one of N vehicle loads. A battery management module is configured to measure and store a plurality of state of health parameters for the battery system and to selectively operate the one or more supplemental protection devices in a coverage gap between first and second coverage areas handled by the first contactor and the second contactor and the N fuses based on a calibration function and/or calibration parameters. A telematics system selectively sends the plurality of state of health parameters for the battery system to a remote server and to receive at least one of a new calibration function and new calibration parameters for the vehicle from the remote server.

公开(公告)号：US20230147014A1

公开(公告)日：2023-05-11

申请号：US17523719

申请日：2021-11-10

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Mark Daniel GOTTLIEB ,  Venkata Prasad ATLURI ,  Madhusudan RAGHAVAN

IPC: H01M50/583 ,  H01M50/581 ,  H01H85/02

CPC classification number: H01M50/583 ,  H01M50/581 ,  H01H85/0241 ,  H01M2200/103 ,  H01H2085/025 ,  H01M2220/20

Abstract: A power control system for a battery system of a vehicle includes a first contactor, a second contactor, N fuses and N vehicle loads. An active sacrificial protection device includes a third contactor and a first fuse. The active sacrificial protection device is connected to a positive or negative terminal of the battery system. A current sensor is configured to sense a measured load current flowing through one of the first contactor and the second contactor. A battery management module is configured to selectively close the third contactor to reduce current flowing through one of the first contactor or the second contactor and selectively open the one of the first contactor or the second contactor after closing the third contactor.