Dynamic Modeling and Improved Control of a Grid-Connected DFIG Used in Wind Energy Conversion Systems

Table 1

The parameters of the DFIG.

Parameters	Values
The rated power Pn	1.5 MW
The rated voltage Un	690 V
The nominal frequency	50 Hz
The rated rotor speed	1750 tr/min
The number of pole pairs	2
The stator resistance Rs	2.65 mΩ
The rotor resistance Rr	2.63 mΩ
The stator leakage inductance Lsσ	0.1687 mH
The rotor leakage inductance Lrσ	0.1337 mH
The magnetizing inductance Lm	5.4749 mH