hvhipot Four characteristics of DC resistance tester
The current single-arm bridge is also known as the Wheatstone bridge. Its principle is to...
Different types of ground resistance testers
The grounding resistance tester is based on Ohm’s theorem and adopts the fHV Hipot Electric...
Precautions for DC resistance tester testing
1. After measuring the inductive load, the test line cannot be directly removed, so as...
DC resistance tester failure
Faults and troubleshooting methods of the DC resistance tester: 1. There is no display when...
Tips for maintenance of digital megohmmeter
Maintenance of digital megohmmeter: 1. The megohmmeter must be placed flat when in use. 2....
Partial discharge measurement limitation
Partial discharge is mainly caused by the winding or transformer oil moisture, between the winding,...
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...
What is partial discharge
If containing gas in the liquid and solid electrolyte composition, as a result of the...
How is partial discharge produced
According to the principle and position of partial discharge, transformer partial discharge can be generally...