1) A synchronous generator has an excitation voltage (Ef) of 3.8 (pu) and a terminal voltage (Vt) of 1.7 (pu). Xd=0.93 p
Posted: Sun May 15, 2022 8:09 pm
1) A synchronous generator has an excitation voltage (Ef) of 3.8 (pu) and a terminal voltage (Vt) of 1.7 (pu). Xd=0.93 pu, and Xq=0.57 pu. If sin 8 = 0.84, find the power that: A round rotor machine can deliver. b) A salient machine can deliver. c) Determine a) and b) if cos 8 = 0. 2) A three-phase, synchronous generator has the following characteristics (chart). When Ip=6.5 A, approximate: a) OCC Voltage b) SCC Current c) Air Gap Line Voltage d) X_(s,unsat) e) X_(s,sat) V. (V) Air-Gap Line 1060 850 OCC 1. (A) 640 700 430 SCC 500 220 250 0 5 10 15 20 1(A)