What is the difference between PT for metering and PT for protection ?
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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 |
Metering PT s are more accurate ( 1, 0.5 ,0.2 )for 80% t0 120% of rated voltage .
Is This Answer Correct ? | 3 Yes | 0 No |
Answer / hardik patel
There is no difference between metering PT and protection PT. for both purposes same PT can be used.
Is This Answer Correct ? | 2 Yes | 9 No |
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