Ratio error
Percentage ratio error = [(Nominal ratio – Actual ratio)/Actual ratio] x 100 The value of transformation ratio is not equal to the turns ratio.
(b) Phase angle error:
Phase angle =180/π[(ImCos δ-I1Sin δ)/nIs]
Ratio error
Percentage ratio error = [(Nominal ratio – Actual ratio)/Actual ratio] x 100 The value of transformation ratio is not equal to the turns ratio.
(b) Phase angle error:
Phase angle =180/π[(ImCos δ-I1Sin δ)/nIs]