东莞市百鑫机电有限公司  产品咨询热线--13729910711  

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低压开关的跳闸时间将先于中压开关的跳闸时间

如果故障发生在断路器的进线侧，则由双G功能可以实现中压断路器执行脱扣操作现在我们再来讨论剩余电流保护问题向母线时，左边脱扣器的电流方向为反向
产品型号

AE630-SW
AE630-SW
AE1000-SW
AE1000-SW
AE1250-SW
AE1250-SW
AE1600-SW
AE1600-SW
AE2000-SW
AE2000-SW
AE2000-SWA
AE2000-SWA
AE2500-SW
AE2500-SW
AE3200-SW
AE3200-SW
AE4000-SWA
AE4000-SWA
AE5000-SW
AE5000-SW
AE6300-SW
AE6300-SW
AE630-SW
AE630-SW
AE1000-SW
AE1000-SW
AE1250-SW
AE1250-SW
AE1600-SW
AE1600-SW
AE2000-SW
AE2000-SW
AE2000-SWA
AE2000-SWA
AE2500-SW
AE2500-SW
AE3200-SW
AE3200-SW
AE4000-SWA
AE4000-SWA
AE630-SS
AE630-SS
AE1000-SS
AE1000-SS
AE1250-SS
AE1250-SS
AE1600-SS
AE1600-SS
AE2000-SS
AE2000-SS
AE2000-SSA
AE2000-SSA
AE2500-SS
AE2500-SS
AE3200-SS
AE3200-SS
AE4000-SSA
AE4000-SSA
AE5000-SS
AE5000-SS
AE6300-SS
AE6300-SS
AE630-SS
AE630-SS
AE1000-SS
AE1000-SS
AE1250-SS
AE1250-SS
AE1600-SS
AE1600-SS
AE2000-SS
AE2000-SS
AE2000-SSA
AE2000-SSA
AE2500-SS
AE2500-SS
AE3200-SS
AE3200-SS
AE4000-SSA
AE4000-SSA
AE5000-SS
AE5000-SS
AE6300-SS
AE6300-SS
AE630-SW
AE630-SW
AE1000-SW
AE1000-SW
AE1250-SW
AE1250-SW
AE1600-SW
AE1600-SW
AE2000-SW
AE2000-SW
AE2000-SWA
AE2000-SWA
AE2500-SW
AE2500-SW
AE3200-SW
AE3200-SW
AE4000-SWA
AE4000-SWA
AE5000-SW
AE5000-SW
AE6300-SW
AE6300-SW
AE630-SW
AE630-SW
AE1000-SW
AE1000-SW
AE1250-SW
AE1250-SW
AE1600-SW
AE1600-SW
AE2000-SW
AE2000-SW
AE2000-SWA
AE2000-SWA
AE2500-SW
AE2500-SW
AE3200-SW
AE3200-SW
AE4000-SWA
AE4000-SWA
AE630-SS
AE630-SS
AE1000-SS
AE1000-SS
AE1250-SS
AE1250-SS
AE1600-SS
AE1600-SS
AE2000-SS
AE2000-SS
AE2000-SSA
AE2000-SSA
AE2500-SS
AE2500-SS
AE3200-SS
AE3200-SS
AE4000-SSA
AE4000-SSA
AE5000-SS
AE5000-SS
AE6300-SS
AE6300-SS
AE630-SS
AE630-SS
AE1000-SS
AE1000-SS
AE1250-SS
AE1250-SS
AE1600-SS
AE1600-SS
AE2000-SS
AE2000-SS
AE2000-SSA
AE2000-SSA
AE2500-SS
AE2500-SS
AE3200-SS
AE3200-SS
AE4000-SSA
AE4000-SSA
AE5000-SS
AE5000-SS
AE6300-SS
AE6300-SS
各级断路器的时间电流曲线是一级包住一级，连速断I参数都没有重叠，确实具有完全的选择性如果曲线有重叠那么在重叠之处就会发生上下级断路器的同时跳闸，造成事故的扩大化那么在实际的工程中就按照这样匹配保护参数就可以了呢
答案是否定的，因为还必须要考虑到电缆对短路电流的限制。因此，如果将样本中的这段描述理解