The utility model provides a long -term electrified performance of electronic transformer examination secondary and a wiring system, the electronic transformer station in the access module in the secondary wiring system all is connected to the monitoring analytic unit, the monitoring analytic unit is the real -time check -up unit of multichannel, network analysis and trouble record ripples device, electric energy quantitative analysis unit or state detection device. Two symmetrical examination circuits that set up rise the stream ware including setting up, set up at the examination station subassembly and the earthing switch that rise stream ware both sides in the wiring system, examination station subassembly includes interconnect's electronic type current transformer examination station and electronic voltage transformer examination station, all is equipped with the benzvalene form insulator between every device. The utility model provides a system, comprehensive, accurate and effectual long term stability and the reliability that has realized examination electronic transformer in the laboratory has effectively reduced the fault rate of electronic transformer at intelligent substation, and then has improved the operational reliability who installs electronic transformer's intelligent substation.