How to use dry test transformer correctly?
In terms of the insulation structure layout, according to the principle of the “distance effect”...
Technical Guide
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,...
Test process of relay protection tester
Test instruction process of relay protection tester Transformer compound voltage blocking (direction) overcurrent protection This...
Common troubleshooting of loop resistance tester
The loop resistance tester adopts new power supply technology, which can continuously output large current...
Transformer volt-ampere characteristic tester
The transformer volt-ampere characteristic tester is used for the withstand voltage measurement test of high-voltage...
How to use oil-immersed test transformer
In addition to the AC power frequency withstand voltage test, the oil-immersed test transformer can...
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...