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通过充电状态和低温启动性能的估算,可以使发电机,起动机和蓄电池组成的汽车电系的性能、重量和效率达到最佳配合,发挥系统的综合作用。在保证充电状态平衡及临界启动温度足够低的条件下,采用低速输出发电机、减速式起动机和低温大功率启动用蓄电池,可使汽车上的电器重量减轻10～20％。在最佳化的汽车电系上,蓄电池的充放电电流都比较小,输出电压精度高。
Through the estimation of charging status and low-temperature starting performance, the performance, weight and efficiency of the automotive power system composed of the generator, the starter and the battery can be optimally matched and the combined effect of the system can be exerted. Under the condition of keeping the balance of charging state and the critical starting temperature low enough, the low-speed output generator, decelerating starter and low-temperature high-power starting battery can reduce the weight of the electric appliance on the car by 10 to 20%. In the optimization of the car electrical system, the battery charge and discharge currents are relatively small, the output voltage accuracy.