hvhipot High voltage test transformer safety
The insulation defect of the high-voltage test transformer is an important factor leading to the...
Exceeding the limit of DC resistance tester
The DC resistance tester is an indispensable experimental item after the transformer is handed over,...
How to maintain high voltage test transformer
1. Periodic test contents of high-voltage test transformer include: ① Oil sample testing-performance indicators such...
Large current generator operation check
1. Connect the working circuit according to the electrical schematic diagram, the transformer shell, and...
Causes and hazards of partial discharge
1. The cause of partial discharge The so-called “partial discharge” refers to a discharge in...
The role of DC resistance tester
The DC resistance measuring instrument determines the welding and connection quality of the lead wire...
How to use oil-immersed test transformer
In addition to the AC power frequency withstand voltage test, the oil-immersed test transformer can...
Troubleshooting of DC resistance tester
The DC resistance tester is often used in electrical work. This instrument is an ideal...
What is a dry test transformer?
The dry-type test transformer is a special step-up device dedicated to the AC withstand voltage...
Field test of loop resistance tester
Some common problems in field test of loop resistance tester: 1. The voltage wiring circuit...