Dc resistance tester operation
Several points that should be paid attention to when operating dc resistance tester Dc resistance...
hvhipot
Partial discharge in the switchgear
In the process of long-term operation of switchgear and ring main unit, due to many...
Current method of zinc oxide arrester tester
We know that under the excitation of sinusoidal voltage, the leakage current of the zinc...
DC power supply test and AC power supply test
The DC resistance tester is mainly used to measure the DC resistance of various inductive...
Safety tips for insulation resistance testers
Insulation resistance tester in use matters needing attention: 1. Work on power lines where possible....
Protection of dry transformers
1, dry transformer cooling mode Dry transformer cooling is divided into natural air cooling and...
Calibration of grounding resistance tester
When measuring the grounding resistance, there are some objective factors that make the grounding resistance...
Dc resistance tester with built-in battery
Dc resistance tester built-in battery maintenance: Charge on a regular basis When the instrument for...
Winding deformation tester deformation
The local deformation of transformer winding deformation tester means that the total height of the...
What tests can the HV dc generator do?
Dc high voltage generators are mainly used in the power sector, the steel industry, the...