Limiting methods for grid resonance overvoltage
Overvoltage phenomenon is very common in power supply systems. If there are no preventive measures,...
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hvhipot How to choose a test transformer
When selecting a test transformer, the following points should be considered: (1) Voltage. According to...
What is a dry-type transformer?
Dry type transformer: relying on air convection for cooling, it is generally used for small...
Application of wires and cables
Application of wires and cables 1. Power system The wire and cable products used in...
How to correctly measure insulation resistance
Modern life is changing rapidly, and people cannot do without electricity for a moment. There...
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,...
Automatic detection technology
1-1 Concept of Measurement According to the recommended basic terminology in international metrology, ‘measurement is...
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...