Analysis for voltage unbalance phenomenon of small current grounding system in unattended substation;

Structure and application of traction substation comprehensive automation system;

The electrification rebuild of railway traction substation;

Discussion on function of traction substation integrated automation system;

The design and implementation of cross- platform substation supervisory control information publishing system based on Web Service is introduced in this paper.

introducing the basic principle of the automatic 220 kV in feed switchover, the automatic catenary line testing (OLPA) and the automatic reserve voltage check(OLRA) used in substation control system of Harbin-Dalian railway line, analyzing the process of these function and talking about the result of application of it.

n this paper,for calculating the arerage current and effective current of the substation’s feed line,a new calculating method and its principles,derivation,calculating examples and the conclusions are introduced and described.

Building design of unattended substation;

Actuality and suggestions for the reconstruction of integrated automation in 110kV unattended substation

Through introduction of application of the supervisory and control system in implementing management regulations, eg ticket of operation, the normal run mode of unattended substation is discussed, and improving ideas for existing problems are given.

Experience in unmanned substation construction of Shaoguan Power Bureau;

This paper discusses about the importance of unmanned substation s DC power,and puts forward the proposal thet unmanned substation should select intelligent high-frequency switch power system first,and expatiates the principle of selection and design of unmanned substation s DC main power.

Based on lonwork network technique,a design plan of unmanned substation integratedautomation system is put forward.