Differential Evolution Based IDWNN Controller for Fault Ride-Through of Grid-Connected Doubly Fed Induction Wind Generators

Table 2

System specifications of DFIG system and grid module.

Specifications of DFIG system
Rated power	1.5 MW
Rated stator voltage	690 V
Nominal wind speed	12 m/s
Stator resistance	0.00706 pu
Rotor resistance	0.005 pu
Stator leakage inductance	0.1716 pu
Rotor leakage inductance	0.156 pu
Magnetizing inductance	2.9 pu
Turns ratio	2.7
Rotational inertia	5.04 s
Nominal DC-link rated voltage	1200 V
DC bus capacitor	60 millifarads
Specifications of AC grid
Rated voltage	20 kV
Frequency	50 Hz
Short circuit ratio	2.23
Load 1 power	400 kW & 120 kVar
Load 2 power	500 kW & 150 kVar
Load 3 power	50 KW & 15 kVar
Length of transmission lines
Line 1 and Line 3	15 km
Line 2 and Line 4	30 km
Synchronous machine speed	1500 rpm
Synchronous machine power	85 kVA