What factors affect the insulation resistance?
1. The effect of temperature The temperature of the power equipment in operation changes with...
2026
When to use an insulation resistance tester?
With the continuous update and expansion of modern technology, the reliability of power systems and...
Three misunderstandings of megohmmeter
The megohmmeter is a commonly used measuring instrument, mainly used to check the insulation resistance...
How to choose and use megohmmeter
A megohmmeter is a measuring instrument commonly used by electricians. The megohmmeter is mainly used...
Can it be discharged with a discharge rod?
Is it possible to directly discharge the DC high voltage generator with a discharge rod?...
Selection of current value of DC resistance tester
The transformer DC resistance tester can quickly measure the DC resistance of the transformer. The...
Reliability of transformer partial discharge test
Partial discharge refers to the non-penetrating discharge between the electrodes of the insulating medium in...
Application of DC generator DC test
A certain section of the cable’s insulation is damaged, a certain part is severely damp,...
Type and use of high voltage test transformer
High-voltage test transformer refers to a type of transformer that generates high voltage for high-voltage...
How to wire the three-phase DC resistance tester
How to wire the three-phase DC resistance tester: During work, electric workers often need to...