Tech Blogs

• Case Study --- Find Transformer Faults by DC Winding Resistance Testing2022-08-09
• How to judge transformer failure by oil chromatography test results？2022-08-08
• What are Transformer Losses and What is the Best Economical Operating Point?2022-08-05
• How to Implement Accurate Timing Tests for Circuit Breakers in Practice?2022-08-04
• How to measure the contact resistance without changing the circuit?2022-07-28
• What is the cause of inaccurate oil BDV test results?2022-07-25
• Common Fault Causes and Preventive Measures of Zinc Oxide Arresters2022-07-21
• Transformer protection method and protection scope2022-07-18
• Knowing these points and you will become a power transformer expert2022-07-15
• What is the difference between series resonance tester and test (hipot)transform2022-07-14
• Why must PT never be short-circuited and CT never be open-circuited?2022-07-12
• The difference between the test methods of insulation resistance tester and grou2022-07-11
• Precautions and Processing of Transformer Oil dielectric Loss Exceeding Standard2022-07-07
• Analysis of Three-phase Unbalance in DC Resistance Test2022-07-05
• Why Does Excessive Contact Resistance Occur In Electrical Secondary Circuits?2022-07-02
• What's the Causes of Transformer Oil dielectric Loss Exceeding the Standard?2022-07-01
• Three methods of measuring partial discharge in GIS cabinet2022-06-28
• Anti-interference measures in partial discharge testing2022-06-24
• What is the significance of measuring DC Winding Resistance?2022-06-23
• How Temperature and Humidity Affect Insulation Resistance, Leakage Current and D2022-06-22