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反向电池：保护汽车电机驱动系统的反极性条件
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2016-11-23
sina_2097172502
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Electronics are integrated into virtually every system of the modern automobile, from safety to infotainment. Now more than ever it is important for manufacturers to build robust protection into the electrical systems of their vehicles. One danger that all electrical systems face is a reversed polarity from the power source. This event can be caused by a short circuit, but is usually caused by simply switching the power and ground terminals when connecting a power supply. In the case of an automobile, the power for most electronics is supplied from the battery. A car battery that is installed with the terminal connections reversed could damage the electrical systems if they are not protected. The electronics could also be damage from reverse polarity if a jump-start is attempted with the jumper cables reversed.
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