A.1ms B.5ms C.2ms D.3ms
A.IEC61850-9-2 B.IEC61850-9-1 C.IEC60044-8 D.IEC61850-8-1
A.測控裝置的遙控命令 B.啟動失靈、閉鎖重合閘 C.一次設(shè)備的遙信信號 D.電度表數(shù)據(jù)