**Author details**

**Appendix**

244 Advances in Wind Power

Generators 1, 2 and 3 parameters (p.u. on base of machine rating):

G2: H = 2.09s, Sb = 2200 MVA G3: H = 2.33s, Sb = 1400 MVA SCIG and DFIG parameters (on base of machine rating): rs = 0.85%Xs = 5.776%Xm = 505.9% rr = 0.712%Xr = 8.094%H = 3.5 s Poles = 2Power = 1140 HP DFIG wind turbine parameters: Rotor diameter = 58 mGear ratio = 74.5 DFIG power curve:

OLTC parameters: Time delay for the first tap movement = 30 s Time delay for subsequent tap movement = 5 s Dead band = ±1% bus voltage Tap range = ±16 steps Step size = 5/8% (0.00625 pu) Induction Motor parameters (p.u. on base of machine rating): Xm = 3.3 Rs = 0.01Xs = 0.145 Rr = 0.008Xr = 0.145 H = 0.6s, 4,826.0 HP Generic network parameters (p.u. on base Sb = 100MVA): Line 5-6:R = 0.0 X = 0.0040B = 0.0 Line 6-7:R = 0.0015 X = 0.0288B = 1.173 Line 9-10: R = 0.0010X = 0.0030B = 0.0 T1:R = 0.0X = 0.0020Ratio = 0.8857 T2: R = 0.0X = 0.0045Ratio = 0.8857 T3:R = 0.0 X = 0.0125Ratio = 0.9024 T4:R = 0.0 X = 0.0030Ratio = 1.0664 T5:R = 0.0 X = 0.0026Ratio = 1.0800

q = 0.49X"

d0 = 4.10 sT'

T"d0 = 0.033sT"

d = 0.28X"

q = 0.215Xl

q0 = 0.56 s

q0 = 0.0062 s

d = 0.215

= 0.155

Ra = 0.0046Xd = 2.07X'

T'

Xq = 1.99X'

Rafael Rorato Londero, João Paulo A. Vieira and Carolina de M. Affonso

Faculty of Electrical Engineering, Federal University of Pará, Belém, PA, Brazil
