天气预报 > 其他 > 平时怎样检测发电机充不充电
平时怎样检测发电机充不充电
更新时间: 2020-10-19 00:00:00  

1、充电的要素是发电机能发出高于电瓶额定电压的直流电。例如12V轿车发电机输出电压是14V,所以可用万用表直接测量电瓶正负极,若测得大约14V,说明发动机正常,低于14V可能存在故障;

2、拆掉电瓶上的正极接线。放置一天后,查看电瓶容量指示器,若出现红色指示,进而测量电瓶电压,若低于12V很多,可断定电瓶寿终正寝,需更换新电瓶。因为目前的电瓶都是免维护式,无法维护,只能废弃;

3、若测量发电机电压为零或低于14V,请更新发电机,将故障发电机送;

4、车子打起来之后,监视电池的电压,如果能达到13.3v/节或更高的水平,说明发电机能充电。

关键词: 平时 怎样 检测 发电机 充电

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