Partial discharge tester waveform
The principle of the partial discharge tester is the pulse current method principle, that is,...
2026
hvhipot Relay protection and overcurrent protection
Relay protection is a very important test in power system testing. It is an important...
The use effect of ground resistance tester
Since the ground resistance tester is to test the ground resistance of the circuit, it...
On-site test method of grounding resistance tester
Let’s take the commonly used clamp ground resistance tester as an example. The meter is...
Principle Analysis of DC Resistance Tester
Insulation resistance refers to the resistance between two parts of conductors separated by insulating materials,...
Field test of zinc oxide arrester tester
As a special instrument for professionally testing the electrical performance of zinc oxide arresters, zinc...
Safety measures for high-voltage test transformers
Insulation defects of high-voltage test transformers are an important factor leading to equipment failures. A...
Field failure of zinc oxide arrester tester
The fault of the zinc oxide arrester tester on site should be handled correctly 1....
Loop resistance tester measures resistance
Loop resistance tester measures contact resistance: During work, electric workers often need to use a...
Transformer integrated tester failure
The integrated transformer tester is designed for automatic testing of protection and metering CT/PT, which...