According to the pure electric power system of the mine heavy truck, innovative layout and optimal design are carried out on the power system, and a direct-current battery energy storage unit system meeting a high-power, high-capacity and high-voltage platform is built by connecting a plurality of large-string battery clusters in parallel; alternating current for supplying different requirements and direct current for auxiliary power utilization of the mine heavy truck are output through a plurality of converter units of the electric control device system; the direct-current end of an electric control device unit system is connected with a high-voltage direct-current bus, the direct-current end of an inversion unit of the electric control device unit system is connected with a high-voltage direct-current power line, and the output end of the inversion unit of the electric control device unit system is connected with an electric wheel alternating-current load. The output end of the control system is connected with an electric direct current load of auxiliary power utilization, and the control system is connected with a corresponding controlled power conversion unit and a controlled switch through an electric control device control bus, so that pure power supply of the mine heavy truck is realized.
本发明一种矿山重卡的纯电动力系统,对动力系统进行了创新布局和优化设计,通过多个大组串电池簇并接,搭建满足大功率、大容量、高电压平台的直流电池储能单元系统,通过电控装置系统的多个变流器单元输出供给不同需求的交流电和矿山重卡辅助用电的直流电;通过电控装置单元系统的直流端连接高压直流母线,并且电控装置单元系统的逆变单元直流端连接高压直流电力线,输出端连接电动轮交流负荷,同时电控装置的直流变换单元的直流输入端连接高压直流电力线,输出端连接辅助用电的电直流负荷,通过电控装置控制总线连接相应的受控功率变换单元以及受控开关,实现矿山重卡纯电供电的控制系统。
Pure electric power system of mine heavy truck
一种矿山重卡的纯电动力系统
2024-12-13
Patent
Electronic Resource
Chinese
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