Question Four: Essay Question (10 Points) A 208-V, 60 Hz six-pole, V-connected, 25-hp design class B(X;=0.4X_R, X2=0.6XLr) induction motor is tested in the laboratory, with the following results: XM XM ² No load: 208 V, 22.0 A, 1200 W, 60 Hz RH X, + ky! Locked rotor: 24.6 V, 64.5 A, 2200 W, 15 Hz 3Vf4 Ryls DC test: 13.5 V, 64 A Wsyo: (RTH + Ry/sy + (XTH + Xx)1 a) Find the equivalent circuit of this motor. R₂ b) Plot its torque-speed characteristic curve and specify on the VRH + (XTH + X)? curve the values of Smax, nsvne, Tmax, Tstart. 3. 2w.yne[RTH * VR + ( 4 + X34) Tində max = Taar
V = ve x ha a Rosa Rils & 12 + Xu Question Four: Essay Question (10 Points) A 208-V, 60 Hz six-pole, V-connected, 25-hp design class B(X=0.4Xır, X2=0.6XLR) induction motor is tested in the laboratory, with the following results: хи XM No load: 208 V, 22.0 A, 1200 W, 60 Hz RTHER X, + Xy! Locked rotor: 24.6 V, 64.5 A, 2200 W, 15 Hz 34 Ry/s Tind DC test: 13.5 V, 64 A Weyes(RTH + Ry/sy + (XtH + X2j31 a) Find the equivalent circuit of this motor. R₂ Saax - VRH + (XTH + Xxx b) Plot its torque-speed characteristic curve and specify on the 37 curve the values of Smax, Nsync, Tmax. Tstart. 2Wryne[RTH + VRH + (%Tu + X232] Tronx
VH V X + Xu AN R VH V X + Xu AN R Question Four: Essay Question (10 Points) A 208-V, 60 Hz six-pole, V-connected, 25-hp design class B(X;
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