The invention relates to the technical field of new energy, and discloses an EMS (energy management system) energy management method for a fuel cell system, which comprises the following steps: acquiring the maximum beneficial output power and the minimum beneficial output power of unit cells and the operation duration of each unit cell; vehicle request power is obtained, and the number of started unit batteries is calculated according to the maximum beneficial output power of the unit batteries; the operation duration of each unit battery is ranked in a decreasing mode, and the unit battery with the shortest operation duration is started preferentially; adjusting and judging the number of started unit batteries according to the whole vehicle request power at the next moment; adjusting the opening number of the unit batteries and the corresponding output power according to the operation duration of the unit batteries and the adjustment and judgment result of the opening number of the unit batteries; according to the fuel cell system, the required power of the whole vehicle is better averaged, unbalanced acting of the unit cells is avoided, the service life of each unit cell of the fuel cell system is guaranteed to be consistent to the maximum extent, and the service life of the fuel cell system is effectively prolonged.
本申请涉及新能源技术领域,公开了一种用于燃料电池系统的EMS能量管理方法,包括获取单元电池的最大有益输出功率、最小有益输出功率以及各单元电池的运行时长;获取整车请求功率,根据单元电池的最大有益输出功率计算得到单元电池开启数量;对各单元电池的运行时长进行取小排序,优先启动运行时长最短的单元电池;根据下一时刻的整车请求功率对单元电池开启数量做调整判断;根据单元电池的运行时长以及单元电池开启数量做调整判断的结果,调整单元电池开启数量以及相应的输出功率;本申请更好的将整车需求功率平均化,避免单元电池不均衡做功,最大程度保证燃料电池系统的各单元电池寿命保持一至,有效延长燃料电池系统的使用寿命。
EMS energy management method for fuel cell system
一种用于燃料电池系统的EMS能量管理方法
03.01.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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