What is insulation resistance test?
An electrical system is like a pipe system. Voltage is like liquid pressure, current is...
2026
hvhipot Measuring method of insulation resistance meter
1. Measuring method of insulation resistance meter: (1) Wiring method When measuring the insulation resistance...
The circuit breaker needs to detect resistance?
Exceeding the resistance of the main circuit of the circuit breaker is a major problem...
Megger is suitable for various measurements
The high-voltage megohmmeter is suitable for measuring the resistance value of various insulating materials, transformers...
Double clamp method of ground resistance tester
The advantages of the measurement principle of the ground resistance tester method are: First, the...
How to use insulation resistance tester
1. Before using the insulation resistance tester. Before unpacking and use, it needs to be...
Common problems of DC resistance tester
Common problems encountered by DC resistance testers: 1. Burn insurance at boot Generally, this kind...
The measured resistance is too large
The reason and solution for the large resistance value of the earth grid grounding resistance...
Precautions for transformer capacity tester
1. The transformer capacity characteristic tester does not allow the no-load tap changer to be...
Failure Analysis of High Voltage Test Transformer
The high-voltage test transformer is suitable for the power system to conduct the insulation strength...