Poll Results
No votes. Be the first one to vote.
Lost your password? Please enter your email address. You will receive a link and will create a new password via email.
Please briefly explain why you feel this question should be reported.
Please briefly explain why you feel this answer should be reported.
Please briefly explain why you feel this user should be reported.
No votes. Be the first one to vote.
a
Explanation: First the turns ratio is calculated. Next the regulation of the current
transformer is obtained and on substitution gives the ratio error
The ratio error in current transformers (CTs) is given by the formula:
[ text{Ratio Error (%)} = left( frac{text{Actual Transformation Ratio} – text{Nominal Transformation Ratio}}{text{Nominal Transformation Ratio}} right) times 100 ]
Where:
– Actual Transformation Ratio = Primary Current / Secondary Current
– Nominal Transformation Ratio = Rated Primary Current / Rated Secondary Current
This formula aids in determining how accurately the current transformer performs in comparison to its specified or nominal ratings, which is crucial for ensuring effective and safe operations in electrical systems.