Texts:
7. Machine X is a 3-phase synchronous machine and has the following ratings.
Stator: 13.8 kV, 100 MVA, 60 Hz
Rotor Field: 500 V, 4 poles
Use the linearized OCC.
The following tests are run on Machine X.
KAL
Variable Speed Drive
Machine X
3A = fF Rp
v
20 V 9. SaA
Ee L, 9uV Ka = Ef - 6.9 MV
Switch (O, C) 0
OR Vs Is Vee Ia rpm volt A kV kA
1800 250 500 12 0
6p = 5.3Z
1200 200 400 0 +3
V = 13.YN
1800 300 00 0 4.157
Vc = 5.5ZKP = 4.6
a. Fill in the four missing entries in the Table.
RyhJ /./
b. Find X Xd X = EV E = 1XA T X = 199 I Q69V X = 6.21 kV
f3 : 1.99 WEsh
8. The rotor and stator vector magnetic fields (RF, SF) of a 3-phase synchronous machine are given (rotation is CCW):
Circle the operating mode.
SF Gen Lag Gen Lead
Mot Lag -10
Mot Lead
F: X