Estimation of SOC of a lead-acid battery. Embodiments herein disclose methods and systems for determining State of Charge (SOC) of a lead acid battery in a vehicle. Embodiments herein disclose methods and systems for determining State of Charge (SOC) of a lead acid battery in a vehicle using discharge and charge correction factors. Embodiments herein disclose methods and systems for determining State of Charge (SOC) of a lead acid battery in a vehicle using a master OCV table based SOC estimation (SOCOCV) after the vehicle has been powered off, and a current throughput based SOC estimation (SOCEST) based on coulomb count integration (amp-second (As) integration) when the vehicle is operational. Embodiments herein disclose methods and systems for determining State of Charge (SOC) of a lead acid battery in a vehicle considering ageing of the battery and temperature.
ESTIMATION OF SOC OF A LEAD-ACID BATTERY
13.06.2019
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 |
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|LEAD ACID BATTERY STATE DETECTOR AND LEAD ACID BATTERY STATE DETECTION METHOD
Europäisches Patentamt | 2020
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