Provided is a power storage apparatus, including: series circuits, the series circuits being formed of first coils and first switching elements, the first coils and the first switching elements being connected to a plurality of battery units in parallel; second coils electromagnetically coupled to the first coils; second switching elements connected to the second coils in series; a capacitor inserted between two common power source lines for commonly supplying voltage to both ends of the series circuits of the second coils and the second switching element related to the plurality of battery units; and a control unit that supplies a control pulse signal to the first switching element and the second switching element for equalizing voltage of each of the plurality of battery units, in which an amount of charge obtained by dividing an amount of transferred charge necessary for eliminating a voltage difference between the first battery unit and the second battery unit into 10 or more is transferred by switching operations of the first and second switching elements.


    Access

    Download


    Export, share and cite



    Title :

    POWER STORAGE APPARATUS, ELECTRONIC APPARATUS, ELECTRIC VEHICLE, AND ELECTRIC POWER SYSTEM


    Contributors:

    Publication date :

    2017-09-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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



    Power storage apparatus, electronic apparatus, electric vehicle, and electric power system

    SUGENO NAOYUKI / WATANABE KOHKI / IMAMURA NORITOSHI et al. | European Patent Office | 2019

    Free access


    POWER STORAGE DEVICE, POWER STORAGE SYSTEM, ELECTRONIC APPARATUS, ELECTRIC VEHICLE, AND ELECTRIC POWER SYSTEM

    ADACHI TATSUYA / SUGENO NAOYUKI / AOYAMA TSUTOMU | European Patent Office | 2021

    Free access

    ELECTRIC STORAGE APPARATUS, ELECTRONIC DEVICE, ELECTRIC VEHICLE, AND ELECTRIC POWER SYSTEM

    KOMATSU YOSHIHIRO / KIKUCHI HIDEKAZU / UMETSU KOJI | European Patent Office | 2017

    Free access

    Power storage device, power storage system, electronic apparatus, electric vehicle, and electric power system

    SUGENO NAOYUKI / AOYAMA TSUTOMU / ADACHI TATSUYA | European Patent Office | 2018

    Free access