News

• The Purpose and Method of Transformer No-load Test2022-05-12
• What is Transformer Winding Deformation?2022-05-11
• How to correctly measure the contact resistance of a switchgear?2022-05-11
• The Difference between DC Resistance and Insulation Resistance and How to Test2022-05-08
• Hazards and treatment measures of excessive contact resistance of circuit breake2022-05-05
• Common Faults and Treatment Methods of disconnect switch in Substations2022-05-03
• How to correctly test the DC 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 dielectric loss (Tan Delta) of a transformer and how is it tested?2022-04-19
• What is the DC winding resistance of a motor and how is it tested?2022-04-18
• Causes and Solutions of Partial Discharge in Transformers2022-04-18
• How to Carry out the Breakdown Voltage Test of Transformer Oil?2022-04-14
• What Test Items are Required for 110kV/220kV Substation Acceptance and Maintenan2022-04-08
• What Tests Must be Done before the Transformer Leaves the Factory?2022-04-07
• How to Choose the Capacity and Quantity of Transformers?2022-04-05
• What's The Details Concerned When Using The Transformer Turns Ratio Tester2022-03-31
• Which Parameters are Concerned More When Selecting DC Winding Resistance Tester?2022-03-29
• Kingrun Official Statement2021-02-26