hvhipot Common faults of loop resistance tester?
The loop resistance tester is designed with a combination of high-frequency switching power supply technology...
How to maintain the on-load tap changer tester?
Overhaul content and requirements of on-load tap-changer tester (1) When the on-load tap-changer tester is...
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...
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...
2 common influencing factors of insulation failure
Degradation and decomposition The most common faults in electrical equipment are degradation and breakdown (flashover)...
Common faults of dry-type test transformers
Transformers are indispensable for the long-term success of any operation. Therefore, it is very important...
Attention to on-site use of circuit breaker tester
In the field test of the circuit breaker tester, in order to ensure the accuracy...