This thesis links with the basic knowledge of electric power system, emphasizing to introduce a series of problems and solutions in the GIS synthesis automatization transformer substation relay protection construction.

Some thought about development target of testing for relay protection equipment;

Discussion on the feasibility study and the construction thought of Ningxia Power Grid relay protection and fault information main station system;

Operative mode analysis of relay protection in grid operating procedure;

Special issues and suggestion on protective relaying applied in UHV transmission line;

Simulation on end-to-end delay of protective relaying data flow in substation;

Inquire of application of the artificial neural Networks in protective relaying;

Study of objected oriented CAD system for protective relay setting;

The comparison about methods of organizing network for protective relay and fault message system sub station in Ningxia Power Grid;

The application of relaying protection s fault analysis and setting management system in regional electric network;

Relaying Protection Based on Artificial Intelligence Technology;

Software design of intelligent relaying protection device based on object-oriented technology;