The line surge arrester can effectively improve the lightning protection performances of transmission lines by eliminating the insulator flashover. If the line arrester is very close to the insulator ...

The performance of surge arresters during electromagnetic transients on power systems can be simulated with EMTP-type computer programs. This paper discusses the steps to be performed for deriving the ...

Metal oxide surge arresters are of great significance for surge arrester configuration, insulation coordination research, and system reliability calculation. Their accurate modeling depends on precise ...

In order to meet the requirement of deeply limiting the operating overvoltage level of a 500 kV AC power system, a controllable metal oxide surge arrester with a trigger switch was developed. The key ...

Monitoring the leakage current of surge arrester can find its defects in time, which is of great significance to the security and stability of power system. But the complex environment will increase ...

This paper deals with the development of an accurate finite-element model of an arrester to investigate the electrothermal and mechanical stress during dc current interruption. The comprehensive ...

In the simulation of very fast transient over-voltage (VFTO), establishing the accurate equivalent model of electrical equipments in GIS has a major effect on the calculation results. At present, ...