定时限过电流保护线路末端母线上有三条出线，各自的过电流保护动作时限分别为0.5S,1S,1.5S, 则该线路过电流保护的时限应整定为(  )

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69548' and id < 4507023 and id<>'4507023' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69548' and id > 4507023 and id<>'4507023' order by id asc limit 5