CT PT Tester is a necessary equipment for testing Current transformer and Potential transformer, especially for Preventive test and commissi...

The Basics of VLF Testing is Cable Testing and Diagnostics.Very low frequency (VLF) withstand testing is the application of an AC sinusoidal...

The votage ransformer is atully a ransfomer witha core. tis mainly composed of primay and secondary coil iron core and insulation.There are ...

A good basic equation to know is: P = 2πfCV2 where f = applied test frequency, C = capacitance of the test object, and V = applied test volt...

When a cable is subjected to a considerably higher test voltage than what it typically sees in service, any defects in the cable will see hi...