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(a) A wye-connected generator is to be designed to supply a 20-kV three-phase line. Find the terminal line-to-neutral voltage of each phase winding.
(b) If the windings of the generator of part (a) were delta-connected, determine the output line-to-line voltage.
(c) Let the 20-kV generator of part (a) supply a line current of 10 A at a lagging power factor of 0.8. Compute the kVA, kW, and kVAR supplied by the alternator.
when i/p voltg is grater than battery diode is clse or open
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