Tech Blogs

• Differences in DC Winding Resistance Testing Between New and Old Transformers (w2025-11-11
• Transformer Turn Ratio Test and Recommended Lead Length2025-11-07
• Which is the most suitable DC winding resistance test lead for a transformer, 5 2025-11-07
• What Should Be Noted When Testing Different Size Transformers With Only One Tur2025-11-06
• What Should Be Noted When Testing Transformers of Different Sizes With Only One 2025-11-06
• What Does Transformer Percent（%） Impedance Really Mean?2025-08-23
• Understanding 20 kV Vaccum Circuit Breaker(VCB) Performance Through Nameplate In2025-08-22
• Troubleshooting Guide for 20 kV Vacuum Circuit Breaker(VCB) Failure to Close2025-08-22
• How to understanding the 6000 kVA Transformer Nameplate2025-08-22
• How to choose the most economical power transformer?2025-08-05
• What’s the Difference Between 50Hz and 60Hz Transformers?2025-08-05
• What is the Power Factor(PF) of the Transformer and How is it Tested?2025-08-05
• How Long Can a Transformer Run Over Its Nameplate Rating?2025-08-05
• How to Choose the Right Vacuum Circuit Breaker（VCB） for a 10MVA Transformer?2025-08-04
• Calculating the short-circuit current on the secondary side of a 6000kVA transfo2025-08-04
• The key role of DGA (dissolved gas analysis) in transformer health testing2025-08-04
• How is the high temperature inside a power transformer dissipated?2025-08-04
• Infrared Thermography,UHF,TEV,HFCT,Ultrasonic sensors: Which test tells you more2025-06-11
• How Zero-Sequence Impedance Influences Single-Phase Ground Fault Protection2025-06-06
• Assessing Transformer Reliability Through Short-Circuit Voltage(Usc) Analysis2025-06-06