Test of circuit resistance
Compared with similar products, there are still significant differences in the current series resonance of...
January 2026
sion932 Number of insulator pieces for DC lines
Due to the electrostatic adsorption effect of DC lines, the pollution level of DC lines...
How to correctly measure insulation resistance
Modern life is changing rapidly, and people cannot do without electricity for a moment. There...
Grounding requirements for 10kV substations
Metal enclosures for transformers, switchgear, and transformers (PT, CP), distribution cabinets, control and protection panels,...
On site testing of zinc oxide lightning arrester
In the 10KV (6KV) distribution network of the power system, tubular lightning arresters were commonly...
Transformer on load voltage regulation
1. Advantages of On Load Voltage Regulating Transformers 1.1 Maintain voltage stability. Transformers have impedance,...
The function and use of grounding wire
Hanging a grounding wire is a safety barrier to protect maintenance personnel and is the...
The function of insulating oil
Insulating oil is widely used in high-voltage electrical equipment such as power transformers, oil circuit...
DC resistance of transformer coil
The purpose of measuring the DC resistance of transformer windings is to check the welding...
Partial discharge of transformer
Partial discharge is mainly the discharge that occurs in the internal insulation of transformers, transformers,...