Megger test procedure
1. Before measuring, keep the megohmmeter in a horizontal position, press the body of the...
March 2026
Factors of Partial Discharge of Transformer
The direct factor that causes the partial discharge phenomenon of power transformers is nothing more...
What are the conditions for insulation resistance?
In practical applications, we can select the appropriate measurement voltage according to the different gears...
Failure of Microcomputer Relay Protection Tester
The abnormal phenomenon of the microcomputer relay protection tester is often at the system level,...
Interference partial discharge detector
The various interferences in the test will reduce the detection sensitivity of the partial discharge...
How practical is the partial discharge tester?
In fact, when you choose any kind of tester, you have always worried that its...
Loop resistance tester becomes the first choice
If there is a problem with the resistance voltage of a device, there is no...
Advantages of oil-immersed test transformer
There are many types of test transformers in the market now. For example, oil-immersed test...
Use characteristics of AC and DC voltage divider
When using any kind of voltage divider, I definitely hope that its overall use features...
Is the dry test transformer easy to use?
We should be familiar with oil-immersed transformers and dry-type test transformers. These are test transformers...