To provide: a battery system which has an improved lifetime and capacity, is secure, and is easy to operate; a control method therefor; and an electric vehicle.SOLUTION: A battery system (1) includes a plurality of first battery modules (2) each including a plurality of battery cells (4), a plurality of second battery modules (3) each including a plurality of battery cells (5), and cell supervision circuits (13) which supervise cell voltage and cell temperatures. Each second battery module (3) includes a power electronics unit (14) having a DCDC converter. The first battery modules (2) and the second battery modules (3) are connected in series. The first battery modules (2) are connected directly in series and the second battery modules (3) are connected via their power electronics units (14).SELECTED DRAWING: Figure 1

    【課題】改善された寿命および容量を有し、安全であって操作が容易なバッテリシステム、その制御方法及び電気車両を提供する。【解決手段】バッテリシステム(1)は、それぞれ複数のバッテリセル(4)を備えた複数の第1のバッテリモジュール(2)と、それぞれ複数のバッテリセル(5)を備えた複数の第2のバッテリモジュール(3)と、セル電圧及びセル温度を監視するセル監視回路(13)と、を備える。各第2のバッテリモジュール(3)は、DCDCコンバータを有するパワーエレクトロニクスユニット(14)を含み、第1のバッテリモジュール(2)と第2のバッテリモジュール(3)とが直列に接続されており、第1のバッテリモジュール(2)は直接に直列に接続されており、第2のバッテリモジュール(3)は各自のパワーエレクトロニクスユニット(14)を介して接続されている。【選択図】図1


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    Title :

    BATTERY SYSTEM AND METHOD FOR CONTROLLING BATTERY SYSTEM


    Additional title:

    バッテリシステムおよびバッテリシステムを制御する方法


    Contributors:
    AYMAN AYAD (author)

    Publication date :

    2023-05-17


    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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