How to correctly measure insulation resistance
Modern life is changing rapidly, and people cannot do without electricity for a moment. There...
January 2026
hvhipot 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...
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...
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...
Determination of Abnormal Voltage Transformers
(1) Unbalanced three-phase voltage indication: One phase decreases (can be zero), the other two phases...
Instructions for using cable fault tester
Based on common faults in power cables, HV Hipot Electric Co., Ltd. company’s HT-TC cable...