为研究气体绝缘全封闭式组合电器(gas insulated switchgear, GIS) 设备中绝缘子表面固定金属
颗粒沿面局部放电发展的现象及其特征, 搭建了一套220 kV GIS 设备沿面放电缺陷发展实验 …

In order to study the developing process of surface discharges initiated by immobilized
metallic particles attached to Gas Insulated Substation (GIS) insulators under gradually …

Electrical insulation performance of compressed gas insulated switchgear (GIS) and gas
insulated transmission line (GITL) systems is adversely affected by metallic particle …

Free moving metallic particles are one of the most common defects leading to insulation
failures in gas insulated substation (GIS) equipment. The present research is designed to …

Coating the inner surface of grounded enclosures has been used to inhibit metal particle
motion inside AC GIS for many years. However, for DC GIS, only fundamental research has …

When an unloaded transformer or motor is switched under certain conditions, the circuit
breaker can be exposed to a re‐strike effect that leads to voltage escalation. The effect of …

In compressed GIS (gas insulated switchgear), the control of wire particle contamination by
dielectric coating of enclosure is demonstrated in this paper. Assuming that a particle …

Sulphur hexaflouride (SF 6) is generally found to be very sensitive to field perturbations such
as those caused by conductor surface imperfections and by conducting particle …

This paper discusses the charging and behavior of a spherically conducting particle on a
dielectrically coated electrode in non-uniform dc and ac electric fields between non-parallel …

High-voltage electrode protrusion is one of the major causes of insulation failure in gas-
insulated substation (GIS) equipment. The present research is designed to diagnose and …