Environmental Engineering Reference
In-Depth Information
12.247449
20
10
I
ds
i
0
I
qs
i
-10
-20
-12.247331
0
100
200
300
400
0
i
359
(a)
12.247449
15
I
qe
i
10
5
0
I
de
i
5.329071
10
15
-5
0
100
200
300
400
i
0
359
(b)
Figure 7.6 Transformation of IM currents to the controller d-q synchronous
reference frame. (a) Currents after 3- to 2-phase transformation and
(b) currents transformed to synchronous reference frame
15
I
qe
10
5
2.5
I
de
0
Time (s)
Figure 7.7 Illustration of controller action to modify M/G torque
