Different frequency method grounding tester
Basic principle of different frequency ground resistance tester: It adopts advanced technologies such as central...
2026
DC and loop resistance test
The DC resistance test is generally the DC resistance of windings such as transformers and...
How to safely operate the DC resistance tester?
The operator must pay attention to safety when operating the DC resistance tester, and should...
Cable accessories partial discharge detection
The purpose and significance of partial discharge detection for prefabricated cable accessories Since cables are...
Test procedure of DC high voltage generator
The high-frequency DC high-voltage generator provides a DC high-voltage series resonance, which is specially used...
The measured resistance value exceeds the limit
The measurement of the DC resistance tester is to check the quality of the winding...
How does the DC high voltage generator work?
The DC high-voltage generator is also known as the direct high-voltage generator. This equipment is...
Abnormal sound in high voltage test transformer
1. Abnormal sound During the operation of the distribution transformer, due to the alternating magnetic...
Common methods of grounding resistance tester
The measurement methods of the ground resistance tester are generally as follows: two-wire method, three-wire...
Abnormality of voltage transformer
Judgement of common abnormalities of voltage transformer of DC resistance tester: (1) Three-phase voltage indication...