High voltage test transformer oil leakage
Power transformers are mostly oil-immersed transformers. Over the years, oil leakage of high-voltage test transformers...
February 2026
Some Points of Transformer DC Resistance Tester
Various problems will be encountered during the use of the transformer DC resistance tester. For...
Problem solving of high voltage switch tester
The high-voltage switch tester prompts “output short circuit or excessive load, please turn off and...
Precautions for relay protection tester
Precautions for the use of microcomputer relay protection tester 1. Microcomputer relay protection tester This...
Resistance Tester Megohmmeter and Shaker
Megohmmeter and shaker are two names for one thing. They are used to measure insulation...
AC and DC high voltage test transformer
Test methods for AC and DC high voltage test transformers 1. In general measurement of...
How to operate a DC high voltage generator
DC high voltage generator operation method: Before the operation of the DC high voltage generator,...
DC high voltage generator no-load boost test
The DC high-voltage generator is an instrument that provides a high-voltage DC series resonance. Before...
Measuring principle of earth resistance tester
1. What is grounding? Grounding is a low resistance connection between a circuit or...
The use of microcomputer relay protection tester
Precautions for the use of microcomputer relay protection tester 1. Microcomputer relay protection tester This...