The electric power storage device of an electric power storage system includes plural electric power storage bodies and a switching relay. The switching relay is capable of being switched between a first state where the plural electric power storage bodies are connected in series, and a second state where the plural electric power storage bodies are connected in parallel. The switching relay allows each of the plural electric power storage bodies to be electrically disconnected from the rest of the electric power storage bodies. The control unit controls the switching relay into the all-off state where the plural electric power storage bodies are electrically disconnected from each other, when the main relay is in an opened state.
ELECTRIC POWER STORAGE SYSTEM
2019-07-25
Patent
Electronic Resource
English
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / 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 / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
Electric power storage method and electric power storage system of electric vehicle
European Patent Office | 2023
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