A problem in loop resistance tester testing
The loop resistance tester designed according to the conventional design principle found that there is...
March 13, 2026
Specific methods to eliminate electrical faults
Electricians must have professional knowledge and sufficient theoretical principles as the basis, so that faults...
Instruments for measuring insulation resistance
Due to its extended measurement capabilities, modern household megohmmeters not only have high noise immunity,...
Two methods of measuring transformer windings
The purpose of the DC resistance tester to measure the DC winding resistance of the...
How to use the DC resistance tester correctly?
Operation process and method of DC resistance tester: 1. Equipped with a dedicated test circuit...
Judge the abnormality of the voltage transformer
Judgment of common abnormalities of voltage transformer of DC resistance tester: (1) Three-phase voltage indication...
Debug the circuit breaker and judge the fault
The high-voltage switch time characteristic tester debugs the high-voltage circuit breaker and judges the fault:...
Connection of partial discharge test circuit
(1) Standard test circuit, also known as parallel method. It is suitable for the test...
DC high voltage generator test efficiency
With the large-scale deployment of DC transmission projects, the number and frequency of DC high-voltage...
High efficiency of partial discharge detector
Partial discharge detector test digital partial discharge detection system can detect machine failure, vibration, leakage...