#G01R31/3277

FAULT DETECTION METHOD, SYSTEM, ELECTRONIC DEVICE AND MEDIUM

A fault detection method includes: sequentially transmitting a first control signal to control chips corresponding to each of the plurality of battery switches after detecting a reverse feeding fault,…

DRIVE·Jun 10·2 min read

G01R31/3277 VERTIV TECH CO LTD [CN]

DIAGNOSTIC CIRCUIT FOR A BATTERY DISCONNECT UNIT, METHOD FOR DIAGNOSING A BATTERY DISCONNECT UNIT, BATTERY DISCONNECT UNIT

A diagnostic circuit () for diagnosing a battery disconnect unit () for disconnecting a battery system () from an electrical system (). The battery disconnect unit () includes a first switching elemen…

DRIVE·Jul 27·1 min read

G01R31/3277 Robert Bosch GmbH

POWER SUPPLY ASSEMBLY

A power supply assembly comprising a load supply converter system (8) and energy saving transfer route (457) both connected electrically to a load connection (71). The energy saving transfer route (45…

DRIVE·Jun 8·1 min read

G01R31/3277 ABB SCHWEIZ AG [CH]

METHODS AND APPARATUS FOR CONTACTOR WELD DETECTION IN A VEHICLE

The proposed mechanism for weld detection, uses isolation monitoring circuits (which is used for measurement of the leakage current between battery positive and negative to the chassis ground (on pack…

DRIVE·Apr 8·2 min read

G01R31/3277 Farasis Energy (Ganzhou) Co., Ltd.

ANOMALY DETECTOR IN MOSFET SWITCHING ELEMENT AND METHOD FOR DETECTING ANOMALY

An abnormality diagnostic device and method for a MOSFET switch element included in a rechargeable battery pack is provided that makes it possible to determine whether there exists a short circuit abn…

DRIVE·Jul 27·2 min read

G01R31/3277 TOYOTA JIDOSHOKKI KK [JP]

Fault tolerant fail-safe link

The present disclosure is generally directed to a plurality of solid state switches of varying periphery sizes connected in series between a power source and a load. A built-in test circuit senses an …

DRIVE·Apr 16·1 min read

G01R31/3277 BOEING CO [US]