In the past thirty years,the technology of relay protection for electric main equipment has been remarkably improved.

Along with many large-sized generators continuously going into operation in the power system,the requirements on protection for electric main equipments become more and more high.

HVAC design for FPSO electric equipment cabin;

Inquire about some problem during the testing of SF6 electric equipment;

Causes for electric equipment fire explosion at oil depots and precautions;

Maximum experimental safe gap of flameproof enclosure of electrical apparatus and its affecting factors;

Promoting the Continuous Development of Standardization Work of Traction Electrical Appartust and System—Speech on the Fourth Session of 1st National Committee of Traction Electrical Apparatus and System Standmdization;

The division of explosion danger zone in LPG station is discussed,the type selection of anti-explosion electrical apparatus is analyzed,and the measures that shall be taken to prevent LPG station from occurring fire explosion accidents are put forward.

A design of monitoring system for electrical equipments of rail locomotives by using LabWindows/CVI;

According to the uncompleted and substandard operation of temporary safety management in electricity in construction and the problems it brought such as plenty of accident,it analyses temporary safety management in electricity in construction for eliminating the accidents' happening,brings forward some advice on reform so as to ensure the safe operation of court workers and electrical equipments.

There are many hidden perils of the accidents using electrical equipments underground coal mine well,in which electric protection cannot give full scope to be the serious.