The purpose and use points of the ratio tester
The purpose of the ratio tester The transformation ratio test is one of the routine...
March 2026
SF6 gas water content measurement
SF6 gas water content measurement SF6 gas always contains some impurities such as moisture, and...
Direct resistance tachometer wiring method
Transformer DC resistance measurement is a must-test item for semi-finished products, finished products factory test,...
Resistance exceeds DC resistance tester
The DC resistance tester is an indispensable experimental item after the transformer is handed over,...
General selection current of DC resistance tester
The DC resistance test of transformer windings is an indispensable test item after the transformer...
What is a ground resistance tester?
Grounding resistance testers check whether the actual grounding systems in power stations, power distribution systems,...
Fault detection of zinc oxide arrester
Most power stations use lightning arresters for lightning protection measures, among which the most commonly...
How to do frequency slip test
Rated operating voltage, the voltage value output in the rated operating state, generally 57.740V, rated...
Reasons for change in insulation value
Electricity safety problems exist in the process of electricity consumption. In electrical equipment, such as...
Solutions to problems with DC resistance tester
The DC resistance tester is an ideal device for the DC resistance of lateral transformer...