To provide a switching arrangement which is improved to be usable a pre-charge resistor not only in order to pre-charge a capacitor, but also in a heating mode.SOLUTION: A switching arrangement 1 is provided in a motor vehicle 100 powered at least partially electrically. The motor vehicle 100 includes: an inverter device 2 for converting a DC voltage of a high-voltage battery 10 into a multi-phase AC voltage for a travel drive unit 20; an intermediate circuit capacitor 3 connected to the inverter device 2, and a pre-charge resistor 4. The pre-charge resistor 4 of the switching arrangement 1 is configured to: in a pre-charge mode, prevent occurrence of current spikes during charging of the intermediate circuit capacitor 3; and, in a heating mode 24, heat a coolant cooling the high-voltage battery 10, as well as, allow electrical current to flow from the inverter device 2 to the high-voltage battery 10 through the pre-charge resistor 4 so as to heat the high-voltage battery 10.SELECTED DRAWING: Figure 3

    【課題】コンデンサをプリチャージするためにプリチャージ抵抗器を使用することができ、また加熱モードにおいて使用することができる、改善されたスイッチ装置を提供する。【解決手段】スイッチ装置1は、少なくとも部分的に電気的に動力が供給される自動車100に備えられる。自動車100は、高電圧バッテリ10のDC電圧を走行駆動部20のための多相AC電圧に変換するインバータデバイス2と、インバータデバイス2に接続されている中間回路コンデンサ3と、プリチャージ抵抗器4を備える。スイッチ装置1のプリチャージ抵抗器4は、プリチャージモードにおいては、中間回路コンデンサ3が充電される際の電流スパイク発生を防止し、加熱モード24においては、高電圧バッテリ10を冷却する冷却剤を加熱するとともに、プリチャージ抵抗器4を介しインバータデバイス2から高電圧バッテリ10へ電流を流すことにより、高電圧バッテリ10を加熱する。【選択図】図3


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    Title :

    SWITCHING ARRANGEMENT FOR MOTOR VEHICLE AND MOTOR VEHICLE DRIVEN AT LEAST PARTIALLY ELECTRICALLY


    Additional title:

    自動車のためのスイッチ装置及び少なくとも部分的に電気的に駆動される自動車


    Contributors:

    Publication date :

    2023-07-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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