
Figure 3. Single-phase equivalent circuit of converter.
Table 2. Simulation system parameter settings.
System quantities Values System quantities Values
Systems frequency 50 Hz Microgrid R
01
=R
02
=0.2
Source voltage 11 kV DC votage 3.5 kV
Feeder impedance R
1
=1.025 ,L
1
=57.75 mH Tra rating 3/11 kV, 0.5 MVA, 2.5%
DG-1 and DG-2 local R
1a
=48.4 ,L
1a
=192.6 mH VSC losses 1.5
unbalanced load R
1b
=24.4 ,L
1b
=100.0 mH Filter C 50 µF
R
1c
=96.4 ,L
1c
=300.0mH m1 −0.1 rad/MVAr
DG-1/-2 local 3-phase R =200 ,L=100 mH m2 −0.05 rad/MVAr
Common impedance load R
1a
=24.4 ,L
1a
=100.0 mH n1 0.12 kV/MW
R
1b
=24.4 ,L
1b
=100.0 mH n2 0.06 kV/MW
R
1c
=24.4 ,L
1c
=100.0 mH DGs and comeper ...