A controller selectively prevents electrical power flow from a traction battery to an electric machine based on an actual rate of charge acquired by a cell of the traction battery per unit of actual increase in amp hours and an expected rate of charge acquired per unit of expected increase in amp hours.
BATTERY INTERNAL SHORT CIRCUIT DETECTION AND MITIGATION
02.02.2023
Patent
Elektronische Ressource
Englisch
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY |
Battery internal short circuit detection and mitigation
Europäisches Patentamt | 2023
|Battery internal short-circuit detection method based on cell charge balancing
Europäisches Patentamt | 2017
|