[单选题]某 10.5kV送电线路最大负荷电流为 1200A,可靠系数系数为 1.3,自启动系数为1.5,返回系数为 0.8,其定时限过电流保护的动作动作电流为()A。(每题 0.5分)(0.5)
发布时间:2025-12-01
A.2925
B.3125
C.3250
D.2645
试卷相关题目
-
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69429' and id < 4496217 and id<>'4496217' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69429' and id > 4496217 and id<>'4496217' order by id asc limit 5
湘公网安备:43011102000856号 
