The invention provides a multi-module direct current power supply for a new energy automobile charging pile and a control method thereof, and belongs to the technical field of power supplies. Comprising a first direct-current converter, a second direct-current converter, a third direct-current converter, an Nth direct-current converter, an input power supply, a power divider, a power controller, a first output end, a second output end, a third output end and a fourth output end, an input power supply is connected in parallel with the input ends of the first direct-current converter, the second direct-current converter, the third direct-current converter and the Nth direct-current converter; the output ends of the first direct-current converter, the second direct-current converter, the third direct-current converter and the Nth direct-current converter are respectively connected with the power divider, and are output to the first output end, the second output end, the third output end and the fourth output end through the power divider; the power controller respectively controls the output current and the output voltage of the first direct current converter, the second direct current converter, the third direct current converter and the Nth direct current converter; and the power controller controls on and off of a switch in the power divider. According to the embodiment of the invention, high-efficiency, small-size and low-cost power conversion can be realized, the power factor can be accurately controlled, and the efficiency and the power density of the charging pile are improved.

    本申请提供了用于新能源汽车充电桩的多模块直流电源及其控制方法,属于电源技术领域,包括:第一直流变换器、第二直流变换器、第三直流变换器、第N直流变换器、输入电源、功率分配器、功率控制器、第一输出端、第二输出端、第三输出端和第四输出端;输入电源与第一直流变换器、第二直流变换器、第三直流变换器和第N直流变换器的输入端并联;第一直流变换器、第二直流变换器、第三直流变换器和第N直流变换器的输出端分别与功率分配器相连,并通过功率分配器输出到第一输出端、第二输出端、第三输出端和第四输出端;功率控制器分别控制第一直流变换器、第二直流变换器、第三直流变换器和第N直流变换器的输出电流与输出电压;功率控制器控制功率分配器中的开关导通与断开。根据本申请的实施例能够实现高效率、小体积、低成本的电力转换,并且可以精确控制功率因数,提高充电桩的效率和功率密度。


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    Title :

    Multi-module direct-current power supply for new energy automobile charging pile and control method of multi-module direct-current power supply


    Additional title:

    用于新能源汽车充电桩的多模块直流电源及其控制方法


    Contributors:
    MIN QINGYUN (author) / SUN XIAOYONG (author) / XU ZHICHENG (author) / DUAN YANGUO (author)

    Publication date :

    2025-02-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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 / 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



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