Recent Articles
Complete Guide to CT Polarity Test with Practical Field Tips
The CT polarity test is among the most important tests that is done during the commissioning of a new current transformer in the substation. It is because the correct polarity is very essential for the differential protection, directional overcurrent protection and metering accuracy. Wrong CT polarity can cause …
What Is a Hi Pot Test? Complete Guide for Engineers
Hi pot test or high potential test is a dielectric withstand test of an insulation which is used to verify insulation integrity by applying significantly high voltage compared to the rated voltage of the insulation/equipment under test. The hi pot test is commonly conducted during commissioning or as …
