how to calculate the multiplying factor for energy meter
with CT ratio given
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Answer Posted / alamgir
Formula: MF= CT Ratio * PT Ratio
Where- CT-Current transformer.
PT- Potential Transformer
Example : CT Ratio: 120/5 , PT Ratio: 11KV/110V
Ans. MF- CT* PT
=120/5*11000/110
= 24*100
= 2400
So M.F =2400
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