The invention provides a range extender, a starting method of the range extender and a vehicle. The range extender includes an internal combustion engine, a generator, and a generator controller. Thegenerator controller comprises an inversion module and a rectification module. The internal combustion engine is connected with the generator. The generator is connected with the battery pack throughthe rectification module. The generator is further connected with the battery pack through the inversion module. The inversion module comprises a switch group, and the switch group is used for controlling the on-off of the inversion module. An existing range extender has the problems that power devices connected in parallel are prone to damage, and resistors connected in series are prone to heating. On-off of the inversion module is controlled by arranging the switch group, series resistors can be omitted, and potential safety hazards caused by heating of the resistors are avoided. After the range extender is started, the inversion module is disconnected through the switch group, so that the inversion module can be prevented from being damaged by passing of a large amount of current causedby non-uniform current of parallel devices.

    本发明提供了增程器、增程器的启动方法、车辆。该增程器包括内燃机、发电机和发电机控制器。发电机控制器包括逆变模块和整流模块。内燃机与发电机连接。发电机通过整流模块与电池组连接。发电机还通过逆变模块与电池组连接。逆变模块包括开关组,开关组用于控制逆变模块的通断。现有的增程器存在并联的功率器件易损坏、串联的电阻易发热的问题。本发明通过设置开关组来控制逆变模块的通断,能够省去串联的电阻,避免电阻发热造成安全隐患。在增程器启动后通过开关组断开逆变模块能够避免并联器件不均流造成的大量电流通过导致逆变模块损坏。


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    Titel :

    Range extender, starting method of range extender and vehicle


    Weitere Titelangaben:

    增程器、增程器的启动方法、车辆


    Beteiligte:
    GU XIAOJUAN (Autor:in) / LI LI (Autor:in)

    Erscheinungsdatum :

    2021-03-30


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / 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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