A.輸入電源AC160-260V,50Hz B.輸出電源軌道AC220V±11V,25Hz,輸出電流局部AC110V±5.5V,25Hz C.局部電源電壓超前軌道電源電壓角度90℃ D.輸出電源軌道AC220±6.6V,25Hz,輸出電流局部AC220±3.3V,25Hz
A.400A B.600A C.900A D.1200A
A.短路 B.間歇故障 C.絕緣節(jié) D.斷軌