To suppress variation in SOC among a plurality of battery modules in a power source system for an electric vehicle provided with the plurality of battery modules.SOLUTION: A plurality of relays 30 are provided on power source lines in a power source system. The plurality of relays 30 include relays 1, 3, 5, 7 that are each provided on a power source line connecting a low-voltage output terminal 21 and a positive electrode of a battery module 10, relays 2, 4, 6, 8 that are each provided on a power source line connecting a ground terminal 23 and a negative electrode of the battery module 10, relays 9-12 that are provided, between battery modules 10, on an annular power source line connecting the battery modules 10 in series into an annular shape, and relays 13-16 that are provided on a power source line connecting a high-voltage output terminal 22 and the positive electrode of the battery module 10.SELECTED DRAWING: Figure 1

    【課題】複数の電池モジュールを備える電動車両の電源システムについて、各電池モジュールのSOCのばらつきを抑制可能にする。【解決手段】電源システム内の電源ラインに複数のリレー30が設けられている。複数のリレー30は、電池モジュール10の正極と低電圧出力端子21とを接続する電源ラインに設けられたリレー1,3,5,7と、電池モジュール10の負極と接地端子23とを接続する電源ラインに設けられたリレー2,4,6,8と、電池モジュール10を直列かつ環状に接続する環状電源ラインにおいて電池モジュール10同士の間にリレー9-12と、電池モジュール10の正極と高電圧出力端子22とを接続する電源ラインにそれぞれ設けられたリレー13-16とを含む。【選択図】図1


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    Titel :

    POWER SOURCE SYSTEM FOR ELECTRIC VEHICLE


    Weitere Titelangaben:

    電動車両の電源システム


    Beteiligte:
    OMICHI KIYOSHI (Autor:in) / TAKAHASHI TOSHITAKA (Autor:in) / YAMAMOTO TAKASHI (Autor:in) / TOMIOKA SAEKO (Autor:in) / KAJIMOTO TAKANORI (Autor:in) / YOSHIHARA KUMI (Autor:in)

    Erscheinungsdatum :

    03.06.2022


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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



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