The invention belongs to the technical field of new energy electric vehicles, and particularly discloses an energy management method and system for a new energy electric vehicle storage battery composite power supply, and the method comprises the following steps: carrying out the research of the overall structure of a new energy electric vehicle storage battery composite power supply system; dividing the module into a plurality of sub-modules for design; super capacitor parameters are selected and optimized according to the actual situation of the electric vehicle, a new energy electric vehicle storage battery composite power system structure is built, and software and hardware design of a control system is carried out; and establishing a mathematical model of the composite power supply system, designing an energy management method of the composite power supply system, performing optimization, and determining a final energy management method of the composite power supply system. The scheme improves the energy utilization rate of the hybrid power supply. The storage battery can be protected, the driving range of the electric vehicle can be increased, and early-stage preparation work is made for the hybrid power supply new energy electric vehicle to go to the market.
本发明属于新能源电动车技术领域,具体公开了一种新能源电动车蓄电池复合电源的能量管理方法及系统,其中方法包括以下步骤:对新能源电动车车用新能源电动车蓄电池复合电源系统的整体结构进行研究,将其分成多个子模块进行设计;根据电动车的实际情况选择和优化超级电容参数,搭建新能源电动车蓄电池复合电源系统结构,并进行控制系统的软硬件设计;建立复合电源系统的数学模型,设计复合电源系统的能量管理方法,并进行优化,确定最终的复合电源系统的能量管理方法。该方案提高了复合电源的能量利用率。既可对蓄电池起到保护作用,又能提高电动车的续驶里程,为复合电源新能源电动车走向市场做好前期准备工作。
Energy management method and system of new energy electric vehicle storage battery hybrid power supply
一种新能源电动车蓄电池复合电源的能量管理方法及系统
2022-05-03
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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