Common problems of DC resistance tester
Common problems encountered by DC resistance testers: 1. Burn insurance at boot Generally, this kind...
2026
hvhipot The measured resistance is too large
The reason and solution for the large resistance value of the earth grid grounding resistance...
Precautions for transformer capacity tester
1. The transformer capacity characteristic tester does not allow the no-load tap changer to be...
Failure Analysis of High Voltage Test Transformer
The high-voltage test transformer is suitable for the power system to conduct the insulation strength...
DC resistance tester to measure and discharge
The DC resistance tester is a relatively common high-voltage electrical test equipment. It is mainly...
DC resistance tester measuring circuit
The measurement loop is mainly from the constant current series resonance outputting a stable current...
Problems in the use of circuit resistance tester
Loop resistance tester in HV Hipot Electric Co., Ltd. daily use will inevitably encounter a...
Dc resistance tester operation
Several points that should be paid attention to when operating dc resistance tester Dc resistance...
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...