Ripple coefficient of DC high voltage generator
The high frequency DC high voltage generator adopts intermediate frequency rectification and filtering technology, which...
March 17, 2026
How to set the DC high voltage generator
The instrument generally meets the DC withstand voltage test of cables below 220KV voltage level...
Common fault treatment of DC resistance tester
The DC resistance tester often has the following faults: the pointer of the ground resistance...
Difference in insulation and ground resistance
The difference between insulation resistance and ground resistance: Insulation resistance is to test the degree...
Disadvantages in the test of DC resistance tester
Disadvantages in the field test of the DC resistance tester: 1. Problems with existing test...
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...
Affect the frequency of DC resistance tester
In order to make the transformer DC resistance tester achieve the expected results, it is...