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汽车“电瓶”是汽车上储存电能的装置,学名称“蓄电池”。其作用包括:一是当汽车发动机起动时,向起动机提供电能,并由起动机将电能变为机械转矩,带动发动机的曲轴转动。与此同时,蓄电池还向仪表、发电机的磁场线圈以及汽油机的点火系统等供电;二是在汽车运行过程中,当用电设备的用电量超过发电机的供电能力时,蓄
Car “battery” is a device for storing electrical energy in the car, the school name “battery.” Its role includes: First, when the car engine starts, the starter motor to provide power, and the starter will be electric energy into mechanical torque, driving the engine crankshaft rotation. At the same time, the battery also to the instrument, the generator of the field coil and the gasoline ignition system, etc .; second is in the process of running the car, when the power consumption of electrical equipment exceeds the power supply capacity of the generator, the storage