maqbul usmanbhai ghanchi


{ City } ahmedabad
< Country > india
* Profession * faculty in electrical engineering depart
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Question { Dewan Cement, 9051 }

What is the difference between PT for metering and PT for protection ?


Answer

Metering PT used for measuring purpose and it is design to operate on knee point of flux v/s I curve..
Metering PT has less volume of core...

While protecting PT is used for protection purpose and it is design to operate on ankle point of flux v/s I curve.
Protecting PT has more volume of core..

Is This Answer Correct ?    8 Yes 1 No