Causes of three-phase imbalance in resistance
The resistance in the DC resistance tester is unbalanced or the measured value is too...
2026
What is a gas-filled test transformer?
Electric workers often need to boost high-voltage power equipment at work, so they need to...
High voltage test transformer test method
High-voltage test high-voltage device refers to a type of transformer that generates high voltage for...
How to protect the dry-type test transformer?
1. Gas protection Gas protection refers to a protection that causes the protected transformer to...
The problem of using DC high voltage generator
The use of DC high voltage generator provides convenience for production and processing, but in...
Test method of partial discharge test
The partial discharge test is a non-destructive test item, and there are currently two types...
Operation and use of relay protection tester
1. Wiring instructions The yellow, green, red and black terminals on the panel of the...
Why does the DC resistance tester make a noise?
The DC resistance tester will produce a continuous “hum” sound when it is running. If...
Grounding resistance tester operation problems
Answers to the operation problems of the ground resistance tester 1. Why is the resistance...
Method of measuring transformer DC resistance
Method of measuring transformer DC resistance (1) Electric bridge method. Two types of bridges are...