To provide a power supply switching device capable of converting stored power and reliably supply the power to a load while preventing reverse flow to an electric power system.SOLUTION: When a commercial power system fails, electric power from a battery unit 65 constituting a charge/discharge unit 50 is supplied to a control unit 66. The control unit 66 then disconnects a home power system from the commercial power system. Subsequently, the control unit 66 controls AC-DC conversion units 53-55 to operate to supply the electric power stored in a main battery unit of an electric vehicle to a load in a house.SELECTED DRAWING: Figure 3

    【課題】電力系統への逆潮流を回避しつつ、蓄電された電力を変換して確実に負荷に供給する。【解決手段】商用電力系統が停電した際には、充放電装置50を構成するバッテリユニット65の電力を制御ユニット66に供給する。そして、当該制御ユニット66は、商用電力系統から家庭内電力系統を解列する。次に、制御ユニット66は、交直変換器53〜55を動作させて、電気自動車のメインバッテリユニットに蓄えられた電力を、住宅の負荷に供給する。【選択図】図3


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    Title :

    CHARGE/DISCHARGE DEVICE AND POWER SUPPLY SWITCHING SYSTEM


    Additional title:

    充放電装置及び電源切替システム


    Contributors:

    Publication date :

    2020-08-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    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



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