Research Article
The Virtual Resistance Control Strategy for HVRT of Doubly Fed Induction Wind Generators Based on Particle Swarm Optimization
Figure 11
Rotor current and voltage with variable damping control in supersynchronization.
 |
(a) Rotor current and voltage with 0.5 pu virtual resistance |
|
 |
(b) Rotor current and voltage with 1.5 pu virtual resistance |
|