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For a 3 phase synchronous generator of terminal voltage as 1 pu and field excitation of 1 pu. If the resistive drop is 0.2 pv, then what can be concluded for power factor?

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For a 3 phase synchronous generator of terminal voltage as 1 pu and field excitation of 1 pu. If the resistive drop is 0.2 pv, then what can be concluded for power factor?

(a) Leading

(b) Lagging

(c) Upf

(d) Zpf

I had been asked this question in final exam.

Query is from Power Flow Through an Inductive Impedance in division Efficiency and Regulation of Electrical Machines

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Correct option is (a) Leading

Explanation: Here Vt > Ef-Ia*ra.

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