The invention discloses a 120kW high-power direct-current charging module design, and belongs to the field of direct-current vehicle charging pile charging. According to the technical scheme, the 120kW high-power direct-current charging module comprises a pre-charging unit, a DC/DC conversion unit and an output voltage stabilization unit, wherein the pre-charging unit comprises a sampling circuitand a pre-charging circuit, the DC/DC conversion unit comprises a DC/DC conversion circuit, a sampling circuit, a driving circuit, a protection circuit and a control circuit, and the output voltage stabilizing unit comprises a sampling circuit and a voltage stabilizing circuit. According to the invention, the 120kW high-power direct-current charging module adopts a pulse width modulation (PWM) strategy and a two-way interleaved parallel technology, the power level is high, 120kW power can be output at most, the power density and the efficiency are high, the output voltage is from 200V to 700V,the voltage adaptability is relatively high, and the module further has other characteristics.

    本发明公开了一种120kW大功率直流充电模块设计,属于直流汽车充电桩充电领域。该技术方案包括预充电单元、DC/DC变换单元和输出稳压单元;所述预充电单元包含采样电路和预充电电路;DC/DC变换单元包换DC/DC变换电路、采样电路、驱动电路、保护电路、控制电路;输出稳压单元包括采样电路和稳压电路;该120kW大功率直流充电模块采用采用脉宽调制(PWM)策略和两路交错并联技术,功率等级高,最高可输出120kW功率;功率密度高,效率高;输出电压从直流200V‑700V具有较高的电压适应性等特点。


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    Title :

    120kW high-power direct-current charging module design


    Additional title:

    一种120kW大功率直流充电模块设计


    Contributors:
    FAN JIANHUA (author) / XU PENGFEI (author) / WANG QINGYUAN (author) / SI SHENGLI (author) / TONG XIWEI (author) / ZHANG JIAN (author) / LI WEI (author) / WU XUEMEI (author) / LU FENG (author) / LIN ZHICHAO (author)

    Publication date :

    2020-08-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    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 / 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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