Tech Blogs

• Why is the Tested Winding Resistance Always Inaccurate? You May Have Overlooked 2022-06-06
• Tips for Current Transformer Turns Ratio and Polarity Test2022-06-02
• What Current Should be Used when Measuring DC Winding Resistance?2022-05-30
• 8 Tips to Improve the Accuracy of DC Resistance Measurement2022-05-26
• Transformer Preventive Test Items and Reference Standards2022-05-25
• The working principle of traditional contact resistance tester and its disadvant2022-05-23
• Transformer Short-circuit Impedance and On-load Impedance Test2022-05-19
• Why Can't a Multimeter Test the DC Winding Resistance of a Transformer?2022-05-13
• The Purpose and Method of Transformer No-load Test2022-05-12
• What is Transformer Winding Deformation?2022-05-11
• How to Correctly Test the Contact Resistance of HV Switchgear or Circuit Breaker2022-05-11
• What is the Difference between DC Resistance and Insulation Resistance and How t2022-05-08
• Hazards and Treatment of Excessive Contact Resistance of Circuit Breakers or HV 2022-05-05
• Common Faults and Treatment Methods for Disconnect Switch in Substations2022-05-03
• How to correctly test the DC winding resistance of transformer windings?2022-04-28
• How to test the contact resistance of disconnect switches in 110KV/220KV substat2022-04-28
• What is the difference between DC& AC resistance and how to measure it?2022-04-24
• What is the rated turns ratio, actual turns ratio, standard and non-standard tur2022-04-22
• What is the Tan Delta(δ) of the Transformer and How is it Tested?2022-04-19
• What is the DC Winding Resistance of Transformer&Motor and How is it Tested?2022-04-18