1.1.145复合电压闭锁元件包含低电压、电压突变、负序电压、零序电压。( )

3020( )-10-20

20 iB( )-10-20

20 iA 10 ( )-10-20-30

3uo 40( ) 0.0 4.0 -8.0-120

128Mc 40 ( )0

8.0MB 40 ( )a-40

6.1 0.200( )

60 3i0 3.0 ( )

6.0ic( ) 3.0

6.0 B 3.0 ( )00--3.0