Partial discharge test of oil-immersed transformer
Oil-immersed power transformers mainly use oil-paper barrier insulation, which is composed of electrical paper layers...
March 2026
hvhipot Dry-type and oil-immersed transformers
In terms of capacity, large-capacity oil becomes more than dry. Dry transformers must be used...
Working principle of partial discharge tester
The partial discharge tester has a wide range of applications, high detection sensitivity and accuracy....
Several factors of partial discharge
Partial discharge is mainly used to check whether large-scale electrical equipment has local defects in...
How to operate the zinc oxide arrester tester?
The zinc oxide arrester tester is a relatively advanced equipment, which has more functions. When...
What is the partial discharge of the transformer
Partial discharge is mainly the discharge of the internal insulation of transformers, transformers and other...
High voltage test equipment operation
Operators of high-voltage test equipment should have professional knowledge of high-voltage test, be familiar with...
Transformer on-load switch tester with winding AC
In the field of power testing, in order to inspect the installation quality of tap...
Understand high voltage test transformer
The high-voltage test transformer is the basic test equipment used for AC withstand voltage test...
2 common influencing factors of insulation failure
Degradation and decomposition The most common faults in electrical equipment are degradation and breakdown (flashover)...