OVERTOP products with high reliability of the system is widely used in electric power industry, February 2009, OVERTOP RT200K UPS in Inner Mongolia, Chifeng electric power dispatching automation system engineering project competition advantage After expert demonstration, the final advantage was selected, eventually selected. The input and distribution of the system adopts the power supply mode of Double Road electricity and 3 UPS parallel system and generator. Since it was put into use, the system runs well and provides a solid guarantee for the normal operation of the power dispatching system for the users.