The invention discloses a high-voltage electrical system of a fuel cell vehicle, a power-on control method and the vehicle, and the high-voltage electrical system of the fuel cell vehicle comprises a power battery distribution box which comprises a pre-charging control module, a first main positive relay and a main negative relay; the fuel cell DC/DC converter comprises a booster circuit and a second main positive relay, the positive electrode of the booster circuit is connected with the positive electrode side of the power cell distribution box through the second main positive relay, and the negative electrode of the booster circuit is connected with the negative electrode side of the power cell distribution box. The high-voltage electrical system of the fuel cell vehicle has the advantages of simple structure and few parts, so that the occupied volume can be reduced, the redundancy of the vehicle is reduced, and the reliability of the vehicle is improved.
本申请公开了一种燃料电池车辆的高压电气系统、上电控制方法和车辆,其中,燃料电池车辆的高压电气系统包括:动力电池配电盒,包括:预充控制模块,第一主正继电器和主负继电器;燃料电池DC/DC变换器,包括:升压电路和第二主正继电器,所述升压电路的正极通过所述第二主正继电器与所述动力电池配电盒的正极侧相连,所述升压电路的负极与所述动力电池配电盒的负极侧相连。本申请的燃料电池车辆的高压电气系统具有结构简单、部件少的优点,从而可以减少占用体积,降低车辆冗余,提升了车辆的可靠性。
High-voltage electrical system of fuel cell vehicle, power-on control method and vehicle
燃料电池车辆的高压电气系统、上电控制方法和车辆
2022-07-22
Patent
Electronic Resource
Chinese
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