How much current we will inject in CT, while conducting Ratio Test by Primary injection method?

How much current we will inject in CT, while conducting Ratio Test by Primary injection method?

A. 10-25% of Primary current Rating of CT
B. 25-50% of Primary current Rating of CT
C. 51-75% of Primary current Rating of CT
D. 76-100% of Primary current Rating of CT

Show Answer

Answer: A

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