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变频器保险丝熔断原因
更新时间: 2021-04-08 13:07:54  

1、短路:线路侧出现短路故障,熔丝速断。

2、过载:负载电流超过保险丝的额定电流,熔丝长期发热熔断(一般1.1倍额定电流1小时左右熔断)

3、脉冲:在电路启动或电源不稳定时,一个瞬时大电流造成保险丝断开;另外,熔丝安装时螺丝没拧紧,或熔丝损伤也会造成熔丝熔断。

关键词: 变频 保险丝 熔断 原因

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