Partial discharge measurement limitation
Partial discharge is mainly caused by the winding or transformer oil moisture, between the winding,...
Technical Guide
Reasons for high contact resistance
Reasons for using loop resistance tester to test high contact resistance of high voltage switch...
Operation method of high current generator
We power test personnel all know that when the large current generator operation, the current...
How to use the clamp ground resistance tester
1. Multi-point grounding system For multi-point grounding systems (such as power transmission system tower grounding,...
Six precautions for DC high voltage generators
The DC high voltage generator must strictly abide by the operating rules during the operation....
Temperature rise test of grounding transformer
Test transformers, also called neutral point couplers, are often used in three-phase power systems without...
Precautions for dry-type test transformers
Precautions for the use of dry-type test transformers 1. The layout of the test equipment...
How to use the insulation resistance tester
Method/Step 1. When the insulation resistance tester measures the insulation resistance of the circuit, the...
Precautions for partial discharge tester
Partial discharge testers are widely used in power testing. Partial discharge test is the main...
High voltage generator without high voltage output
What is the reason why the generator has no high voltage output during the test...