Because the orginal NARIs equipment is no longer produced. The AC and DC panel can not work normall
·On the premise of ensuring the performances of the power supply meets or exceeds the originaldesig
Reform PRC contactor for GZ Metro APM Line The Contactor SS CA6-180 ,which is used by APM Line curr
Upgrade 10KV SF6 Double power supply automatic 2 time control and Integrated relay protection for N
·Upgrade AC DC panel s AC switching PLC for GZ Metro Line 3. We obtain the the original communicati
Upgrade Moeller Breaker protection module on GZ Metro Line 8. · Maintain the original connection wi
There is a large amount of maintenance in the Low voltage cabinet. The original equipment has not f
As the original Density relay on GZMTR Line 1 is no-longer produced and the installation way and sh
Upgrade to Siemens PLC control with higher stability. Ensure the communication protocol matching th
We upgrade the full quantity of electricity Multifunctional Measuring and Controlling Instrument fo
The old car used Plug-in installation. Because of the shaking brought by vehical running,t he relay
The old Protection Device is no longer produced. The form of signal receiving and controlling on th
The PIDS car TVs on different lines of GZMTR continuously appear snowflake or black screen failure.
Replacing HPB45 High speed circuit breaker car on GZ Metro Line 1 , 2 TheHPB45 High speed circuit b
