A method for charging an intermediate circuit capacitor in a precharging unit includes charging the intermediate circuit capacitor via a current source and adjusting the supplied current in such a manner that a constant power loss is produced in the current source during the entire charging operation. A circuit arrangement includes a battery which is connected to a current source which is connected to an intermediate circuit capacitor via a switch. An adjusting circuit is arranged in parallel with the current source and can be used to adjust the current for charging the intermediate circuit capacitor. The current is adjusted in such a manner that a constant power loss is produced in the current source during the entire charging operation.


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    Titel :

    Method and circuit arrangement for charging an intermediate circuit capacitor


    Beteiligte:

    Erscheinungsdatum :

    2015-09-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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