The invention provides a hybrid power system and a working method thereof.The hybrid power system comprises a fuel cell, an energy storage cell, a one-way charging module, a first voltage monitoring module, a second voltage monitoring module and a charging control module, wherein the fuel cell and the energy storage cell are connected in parallel and suitable for supplying power to a load; an input end of the one-way charging module is electrically connected with the fuel cell, an output end of the one-way charging module is electrically connected with the energy storage cell, the first voltage monitoring module is electrically connected with the fuel cell, and the second voltage monitoring module is electrically connected with the energy storage cell. According to the hybrid power system, self-adaption of working modes under different conditions is achieved, the control method is simple, system setting is simple, meanwhile, thermal runaway or local hot spot generation of the fuel cell due to the fact that the power generation efficiency is reduced due to the fact that the voltage of the fuel cell is too low is avoided, and finally the fuel cell is prevented from being damaged.
本发明提供一种混合动力系统及其工作方法,混合动力系统包括:燃料电池、储能电池、单向充电模块、第一电压监测模块、第二电压监测模块和充电控制模块,燃料电池与储能电池并联并适于为负载供电,单向充电模块的输入端与燃料电池电学连接,单向充电模块的输出端与储能电池电学连接,第一电压监测模块与燃料电池电学连接,第二电压监测模块与储能电池电学连接。上述混合动力系统实现了在不同情况下工作模式的自适应,控制方法简单且系统设置简单,同时还避免了由于燃料电池电压过低导致的发电效率降低使燃料电池发生热失控或产生局部热点,最终避免了燃料电池发生损坏。
Hybrid power system and working method thereof
一种混合动力系统及其工作方法
2021-06-29
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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