Selection of test transformer
The test transformer can be used to generate power frequency high voltage, which acts on...
Technical Guide
How to use the ground resistance tester?
How to use the ground resistance tester to measure correctly? In order to get a...
Partial discharge test operation steps
According to the calculation result of the excitation voltage, the voltage on each side of...
Dry-type test transformer fault solution
The dry-type test transformer is the introduction of the latest foreign advanced technology, the use...
Operation steps of zinc oxide arrester live tester
The use method and precautions of the zinc oxide arrester live tester, this instrument can...
Failure phenomenon of loop resistance tester
If the loop resistance tester has the following failure phenomena, the troubleshooting methods are as...
Causes of partial discharge in switchgear
The causes and treatment methods of partial discharge in switch cabinets. Partial discharge in switch...
Test method of clamp ground resistance tester
Let’s take the commonly used clamp ground resistance tester as an example. The meter is...
AC test of microcomputer relay protection tester?
The microcomputer relay protection tester has powerful test software inside, among which a universal and...
Partial discharge detector safety tips
safety warning 1. The operation and maintenance of the partial discharge detector should be carried...