Substation computer monitoring system

The utility model provides a substation computer monitoring system, which is high in reliability and comprehensive in functions and comprises a main transformer monitor and control device, a protection monitor and control device, a data storage device, a man-machine operation station, network switching equipment, at least two main communication units and another man-machine operation station, wherein the main transformer monitor and control device, the protection monitor and control device, the data storage device, the man-machine operation station, network switching equipment and the main communication units are arranged in a substation, and another man-machine operation station is arranged in a distant dispatching center outside the substation. The main transformer monitor and control device, the protection monitor and control device, the data storage device, the man-machine operation station and the main communication units which are in the substation form an in-station monitoring network by the aid of the