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2020-07-09View Original

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本帖最后由 goldliyang 于 2020-7-10 14:44 编辑 保险丝在安装过程中如果不按规范步骤进行操作,电路异常、电路故障发生的概率会增加,那么如何避免保险丝在安装过程中出现故障?以及自恢复保险丝安装后出现故障如何解决? 一、保险丝安装 1.保险丝在安装过程中尽量不要触碰保险丝本身,如果保险丝本身有损伤,侧改保险丝不能使用,要及时更换新的。 2.保险丝在安装时,检查保险丝的两端接触是否良好。 3.保险丝的额定电流,只能小于或等于保险丝的额定电流。 4.电路的电压必定要小于或等于保险丝的额定电压。 5.保险丝熔断后,在更换时要注意:①更换相同尺寸和材料的保险丝,不能随意加粗或减小,更不能用不易熔断的其他金属丝去更换,以免造成事故。②要提前切断电源,千万不能在通电的情况下直接拔出保险丝查看,并且在更换保险丝时,要带绝缘手套,穿上绝缘鞋等其它绝缘措施。 6.保险丝、保险管及底座温度不应超过60℃,若超过60℃需要更换合适的。 二、保险丝故障解决方案 1.电路故障解决:检查电路,找出电路故障路段,是否是电路接错、电路过载、电线老化等情况。 2.保险丝故障解决:保险丝出现故障,电路正常运行熔断和电路过载时不熔断,出现这两种情况时,前者是保险丝的额定电流、额定电压可能不合适,更换合适的保险丝即可。后者是保险丝的熔点过大,需要更换熔点更低的保险丝,具体可对比保险丝的额定电压、额定电流与电路的工作额定电压、额定电流。通常情况下,保险丝的额定电流是电路正常工作的1.5~2倍。 3.其它异常故障解决:如果出现其它异常故障导致电路烧毁,不要着急,先关掉电路总电源或下闸,一步步分析出故障的原因,可从电路与保险丝身上着手进行检查。为了安全起见要做好绝缘措施,如找不出故障可联系专业的电工进行解决。
Reply #22020-07-10
请不要把电气专业资料发工艺板块

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