To provide an electrical system of a road vehicle provided with a DC-DC electronic power converter, and a corresponding road vehicle.SOLUTION: An electrical system 7 of a road vehicle comprises: a high-voltage (HV) electric circuit 8 provided with a first power storage system 6; a low-voltage (LV) electric circuit 9 provided with a second power storage system 10 and with a plurality of electrical loads 11; and an electronic DC-DC power management and conversion system 15, which connects the low-voltage (LV) electric circuit 9 and the high-voltage (HV) electric circuit 8 to each other so as to selectively transfer electrical energy from the high-voltage (HV) electric circuit 8 to the low-voltage (LV) electric circuit 9 and/or vice versa. The electronic system comprises a control unit 21 configured to detect a malfunction of the first storage system 6, of the second storage system 10 and/or of at least one of the electrical loads 11 and to control, depending on the malfunction, a conversion device 18 and a distribution unit 20 in order to ensure the supply of power to at least some priority loads 13 of the electrical loads 11.SELECTED DRAWING: Figure 2

    【課題】DC-DC電力変換器を備える道路車両の電気システムおよび対応する道路車両を提供する。【解決手段】第1の蓄電システム6を備えた高電圧(HV)電気回路8と、第2の蓄電システム10を備え、複数の電気負荷11を有する低電圧(LV)電気回路9と、低電圧(LV)電気回路9と高電圧(HV)電気回路8とを互いに接続して、高電圧(HV)電気回路8から低電圧(LV)電気回路9へ、及び/又はその逆に電気エネルギーを選択的に伝達する電子DC-DC電子管理変換システム15と、を備える道路車両の電気システム7であって、第1の蓄電システム6、第2の蓄電システム10及び/又は電気負荷11のうちの少なくとも1つの故障を検出し、故障に応じて、電気負荷11のうちの少なくともいくつかの優先負荷13への電力の供給を保証するために、変換装置18及び分配ユニット20を制御する制御ユニット21を備える。【選択図】図2


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    Title :

    ELECTRICAL SYSTEM OF ROAD VEHICLE PROVIDED WITH DC-DC ELECTRONIC POWER CONVERTER, AND RELATED ROAD VEHICLE


    Additional title:

    DC-DC電力変換器を備える道路車両の電気システムおよび関連する道路車両


    Contributors:

    Publication date :

    2024-01-18


    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 / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen



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