Example with external inertia control. Using the indirect method can be easily achieved by commenting out the SpiceLine2 as in the picture:

U2 is 3ph_gen with:
sym=1 f=50 amp=325 phi=0 Ro=10m N=1
dc1=0 dc2=0 dc3=0 A1=1 A2=1 A3=1
h1=0 h2=0 h3=0 phi1=0 phi2=0 phi3=0
a=0 b=0 c=0 d=0 e=0 p=1 q=0 xp=1

©Vlad, 2014 - 2015