Example 3: Obtain the power angle relationship and the generator internal emf for (i) classical model (ii) salient pole model with following data: x=1.0 pu: xq = 0.6 pu: V₁ =1.0 pu: 1,=1.0 pu at upf

Verify the following property of the twiddle factor:

a) Discuss the theory of CT using an equivalent-circuit & the associated phasor diagram along-with the derivation of mathematical expression for the Ratio-error & Phase-angle error of a CT. b) Discuss the causes of CT Ratio error and Phase-angle errors and by how you can mitigate these errors of CT?

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