How to choose a suitable test transformer
Electric power workers often need to use test transformers in the work of high-voltage power...
March 2026
hvhipot 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...
Measuring method of insulation resistance meter
1. Measuring method of insulation resistance meter: (1) Wiring method When measuring the insulation 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...
DC resistance tester to measure and discharge
The DC resistance tester is a relatively common high-voltage electrical test equipment. It is mainly...
DC resistance tester measuring circuit
The measurement loop is mainly from the constant current series resonance outputting a stable current...