With the reform of electricity industry and the development of and power network interconnection, the intelligent perfect and reliable power automation system is playing much more crucial role in the grid operation and control. To begin with, this article points the important role of dispatching automation system that has played in power system. Then, the essay reviews the four stages of the dispatching automation system development in Pingdingshan. Moreover, this paper informs the construction of dispatching automation system, definition and structure of Energy Management System (EMS) and Substation Automation systems. Furthermore, based on the actual situation of Pingdingshan power dispatching automation system, writers focus on issues of dispatching automation system, such as maintenance encountered in the slow speed of information transmission, remote mistake and integration of the monitoring and protection. In addition, authors provide their own views and suggestions. Finally, authors prospect the dispatching automation system trends with several characteristics such as digitization, grid technology, integration, and intellectualization.
