Current transformer name plate details in Tamil-Insulation class,ISF,BIL,Ith
Current transformer basics version-1
https://youtu.be/SY50v_8LRvw
Current transformer burden calculatio version-2
https://youtu.be/ZPmjEu0gKq8

Why CT secondary should not keep open version-3
https://youtu.be/0E71wTxjXhc

Metering CT vs Protection CT version-4
https://youtu.be/DaoG5HYdjdc
In this video following topics are explained in tamil
1.CT insulation class
2.BIL-Basic insulation level
3.ISF-Instrument safety factor
4.Ith-Rated short time thermal current

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#Current transformer#ISF#BIL#InsulationClass#