Introduces the developing trend of subway electrified power supervision system, characteristics of LONWORKS, puts forward the design plan of subway substation integrated automation system based on PLC technology, and compared with PLC plan, illustrates the excellence of LONWORKS, the designed interface between subway substation integrated automation system and railway main control system.

Research and development of test equipment typed PST for substation integrative automation system;

In order to facilitate the test of substation integrative automation system,the test equipment for this system based on virtual instrument technology has been developed.

Studies on software reliability for substation automation system;

Data Acquisition and Transmiting for Substation Automation System;

Compared with existing device of the high-speed railway traction substation automation system, based on new substation communication network and standard IEC61850 established by IEC, the model studies making use of the XML to generate and transmit the IED information to dispatching center, and realizes the method of "plug and play" in this Monitoring System.

Design of communication network for integrated substation automation system based on CAN fieldbus;

This paper takes EDCS-6000 series integrated substation automation devices as an example,combines the primary system for an oilfield 110kV substation system,to show the process of a distributed and integrated substation automation system.

In accordance with the existing management in power systems in China and considering the defects in the substation integrated automation, the computer integrated operation system is presented in the paper.

In view of managing system of power system in our country at present and shortcoming of substation integrated automation, a kind of computer integrated operation system is presented.