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What is Vk and Imag i.e Knee point voltage & Magnetising
Current?
How to calculate above values?
How to define accuracy class 5P10?
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Answer Posted / savanth
Formula for vk is as follows
vk=if(rct+2*rl)
where if is fault current
rct is ct secondary resistance rl is lead resistance
| Is This Answer Correct ? | 12 Yes | 3 No |
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