Testing method of transformer DC resistance tester
Transformer DC resistance tester is a commonly used high-voltage electrical test equipment, mainly used to...
March 17, 2026
hvhipot Insulation resistance tester is not accurate
a) The battery voltage is insufficient. The battery voltage is too low, causing the circuit...
Measurement of inverter insulation resistance
1. Requirements before measurement To test the insulation resistor of the inverter, you must first...
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...
Causes of three-phase imbalance in resistance
The resistance in the DC resistance tester is unbalanced or the measured value is too...
Grounding resistance tester operation problems
Answers to the operation problems of the ground resistance tester 1. Why is the resistance...