news
-
How Do You Perform a Transformer Turns Ratio (TTR) Test According to IEEE and IEC Guidelines?
To perform a transformer turns ratio (TTR) test, technicians apply a controlled AC test voltage to one winding and measure the corresponding voltage on another winding. They then compare the measur... -
How to Test a Current Transformer Before Commissioning and During Service?
How do you test a current transformer accurately and safely? The usual process combines visual inspection, winding resistance measurement, insulation testing, excitation testing, polarity verificat... -
Railway Grounding Resistance Tester for Railway Safety
What Is a Railway Grounding Resistance Tester? A railway grounding resistance tester is a field instrument used to measure the resistance of a grounding or earthing system. It may be used in: The p... -
Railway Grounding Resistance Tester: Applications, Testing Principles, and Maintenance
What Is a Railway Grounding Resistance Tester? A railway grounding resistance tester is a specialized instrument used to measure the resistance of an earthing system or grounding electrode. Dependi... -
Why Is Tan Delta Testing Important for Transformers? A Practical Guide for Maintenance and Testing Teams?
A transformer can continue operating while its insulation system slowly loses its electrical integrity. This makes early insulation assessment important for utilities, transformer manufacturers, in... -
What Is Partial Discharge Testing in Transformers, and Why Does It Matter for Insulation Diagnostics?
A partial discharge test in a transformer detects localized electrical discharges within insulation that do not completely bridge the insulation between conductors. The test helps engineers identif... -
How Can You Choose the Best Insulation Resistance Tester Supplier in China with Confidence?
A faulty insulator rarely gives advance warning. A single insulation breakdown at a substation can shut down power lines and rack up costly repairs. That’s why insulation resistance testing is crit... -
How Does a Hipot Tester Verify Insulation Integrity in Industrial Electrical Systems?
A hipot tester applies a high voltage to electrical equipment insulation to check its dielectric strength and detect manufacturing flaws. This diagnostic device measures leakage current to ensure t... -
Can a Karl Fischer Moisture Analyzer Measure Moisture in Liquids?
Moisture content represents one of the most critical quality indicators for numerous liquid raw materials, finished fluids and process intermediates across industrial workflows. Many field lab tech...