The invention relates to a buck-boost DC/DC converter, a power supply system and a fuel cell automobile, in the buck-boost DC/DC converter, the first end of a switching device is the first input end of the buck-boost DC/DC converter, and the second end of the switching device is connected with one end of a second capacitor, one end of a second inductor and the negative electrode of a third diode; the other end of the second capacitor is connected with the negative electrode of the first diode and one end of the first inductor, and the other end of the first inductor is the second input end of the buck-boost DC/DC converter. The other end of the second inductor is connected with the anode of the first diode and the anode of the second diode, the cathode of the second diode is connected with the other end of the first inductor and one end of the first capacitor, and the other end of the first capacitor is connected with the anode of the third diode; one end of the first capacitor is a first output end of the buck-boost DC/DC converter, and the other end of the first capacitor is a second output end of the buck-boost DC/DC converter. According to the invention, high voltage gain can be realized.

    本申请涉及一种升降压DC/DC变换器、电源系统和燃料电池汽车,在所述升降压DC/DC变换器中,开关器件的第一端为升降压DC/DC变换器的第一输入端,开关器件的第二端分别连接第二电容的一端、第二电感的一端和第三二极管的负极;第二电容的另一端分别连接第一二极管的负极和第一电感的一端,第一电感的另一端为升降压DC/DC变换器的第二输入端。第二电感的另一端分别连接第一二极管的正极和第二二极管的正极,第二二极管的负极分别连接第一电感的另一端和第一电容的一端,第一电容的另一端连接第三二极管的正极;第一电容的一端为升降压DC/DC变换器的第一输出端,第一电容的另一端为升降压DC/DC变换器的第二输出端。采用本申请能够实现高电压增益。


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    Titel :

    Buck-boost DC/DC converter, power supply system and fuel cell vehicle


    Weitere Titelangaben:

    升降压DC/DC变换器、电源系统和燃料电池汽车


    Beteiligte:
    AN YU (Autor:in) / FAN LIJUAN (Autor:in) / LI HONGXIN (Autor:in) / SHI SHUAIBIN (Autor:in) / LIU YONGLI (Autor:in)

    Erscheinungsdatum :

    2022-05-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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