Table 2 Load flow and machine initialization

Nominal values

2100 MVA 13.8 kV rms

2100 MVA 13.8 kV rms

4200 MVA 13.8 kV rms

Bus type

P and V generator

P and V generator

Swing bus

Uan phase

56.92°

58.35°

0.00°

Uab

13,800 Vrms [1 pu] 86.92°

13,800 Vrms [1 pu] 88.35°

13,938 Vrms [1.01 pu] 30.00°

Ubc

13,800 Vrms [1 pu] − 33.08°

13,800 Vrms [1 pu] − 31.65°

13,938 Vrms [1.01 pu] − 90.00°

Uca

13,800 Vrms [1 pu] − 153.08°

13,800 Vrms [1 pu] − 151.65°

13,938 Vrms [1.01 pu] 150.00°

Ia

82,267 Arms [0.9364 pu] 32.19°

57,751 Arms [0.6573 pu] 36.37°

2.0522e+005 Arms [1.168 pu] − 38.67°

Ib

82,267 Arms [0.9364 pu] − 87.81°

57,751 Arms [0.6573 pu] − 83.63°

2.0522e+005 Arms [1.168 pu] − 158.66°

Ic

82,267 Arms [0.9364 pu] 152.19°

57,751 Arms [0.6573 pu] 156.37°

2.0522e+005 Arms [1.168 pu] 81.33°

P

1.786e+009 W [0.8505 pu]

1.28e+009 W [0.6095 pu]

3.8684e+009 W [0.9211 pu]

Q

8.2261e+008 Vars [0.3917 pu]

1.28e+009 W [0.6095 pu]

3.0953e+009 Vars [0.737 pu]

Pmec

1.7913e+009 W [0.853 pu]

1.2826e+009 W [0.6108 pu]

3.8848e+009 W [0.925 pu]

Torque

1.5205e+008 N m [0.853 pu]

1.0887e+008 N m [0.6108]

3.2975e+008 N m [0.925 pu]

Vf

1.7892 pu

1.4793 pu

2.2318 pu