Difference in insulation and ground resistance
The difference between insulation resistance and ground resistance: Insulation resistance is to test the degree...
March 2026
Affect the frequency of DC resistance tester
In order to make the transformer DC resistance tester achieve the expected results, it is...
The resistance value exceeds the limit problem
The DC resistance measurement is to check the quality of the winding welding and the...
Test transformer temperature rise test
The current status of the transformer temperature rise test integrates the power monitoring and temperature...
Judgment basis for disconnection of current loop
The basis for discriminating the disconnection of the protection current circuit of the microcomputer relay...
Note on power frequency withstand voltage test
The oil-immersed test transformer is suitable for the power system to test the insulation strength...
What is the partial discharge of transformer
Partial discharge is mainly the discharge of the internal insulation of transformers, transformers and other...
What is the function of the test transformer
The power frequency withstand voltage test is a key item of the transformer test. It...
Four-wire method of DC resistance tester
The fHV Hipot Electric Co., Ltd.-wire method uses a pair of wires as the current...
Transformer dielectric loss test
1. Test purpose and significance Dielectric loss measurement is more sensitive to finding distribution defects...