Use of dry test transformers
The dry test transformer, together with the oil immersed test transformer and the gas filled...
Technical Guide
How to choose the type of dc resistance tester?
During the test of the microcomputer relay protection tester, the occurrence of interturn and interphase...
The function of relay protection device
The main function of the relay protection device is to automatically cut off the power...
Ground resistance detector reading
(1) in the detection of gas and liquefied petroleum gas station and high-rise buildings and...
Overheat treatment of resistance tester
The insulation resistance tester is a kind of transformer dc resistance tester which is small...
Why contact resistance testing?
The contacts in the circuit breaker need to be checked periodically to ensure normal operation...
Dc high voltage generator test procedure
The dc high voltage generator has the characteristics of large output power, small size and...
Microcomputer relay protection device
Microcomputer protective device to electromagnetic interference protection measures are taken, substation, electromagnetic protection to the...
Operation method of large current generator
A large current generator (current lifter) is a separate or integrated structure based on the...
A digital megohm meter measures dc voltage
1. Transfer the dial to v. Some digital megohm meters (DMM) also include mv. If...