Evaluate direct-axis and quadrature-axis synchronous

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For the machine of Problem 3.18, assume that the active power supplied to the bus is 0.8 p.u. compute the power angle and the reactive power supplied to the bus. (Hint: assume cos δ≅1 for an approximation).

Problem 3.18

A salient pole machine supplies a load of 1.2 p.u. at unity power factor to an infinite bus whose voltage is maintained at 1.05 p.u. The machine excitation voltage is computed to be 1.4 p.u. when the power angle is 25°. Evaluate the direct-axis and quadrature-axis synchronous reactances.

Reference no: EM131359464

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