The invention discloses an electric energy discharge control method and system for an electric transport vehicle, and relates to the technical field of new energy vehicles. A complementary energy discharging loop is added on the basis of a traditional DCDC converter and used for discharging complementary energy when the fuel cell transport vehicle suddenly decelerates and brakes. A whole vehicle control method is provided, and normal, safe and stable operation of the whole vehicle and parts is guaranteed; according to the method, hardware is slightly changed, more control methods and software are changed, the increased cost of the whole vehicle is low, and practicability is high. And when the output power reduction rate of the fuel cell stack is lower than the absorbable power reduction rate of the whole vehicle, the power of the fuel cell stack is discharged through the energy discharge loop, so that the normal work of the whole vehicle and parts is ensured.
本发明公开了一种电动运输车电能泄放控制方法及系统,涉及新能源汽车技术领域。在传统DCDC变换器的基础上增加了余能泄放回路,用于燃料电池运输车急减速、刹车时的余能泄放;提出了整车控制方法,保证整车及零部件的正常安全稳定运行;本发明对硬件的改动极少,更多的是对控制方法及软件的改动,整车增加的费用较低,实用性较强。当燃料电池堆的输出功率下降率低于整车可吸收的功率下降率时,通过能量泄放回路对燃料电池堆的功率进行泄放,从而保证整车及零部件的正常工作。
Electric energy discharge control method and system for electric transport vehicle
一种电动运输车电能泄放控制方法及系统
2024-05-03
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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