Mathematical Problems in Engineering / 2014 / Article / Fig 13

Research Article

The Virtual Resistance Control Strategy for HVRT of Doubly Fed Induction Wind Generators Based on Particle Swarm Optimization

Figure 13

Rotor current and voltage with variable damping coefficient in synchronization.
350367.fig.0013a
(a) Rotor current and voltage with 0.5 pu virtual resistance
350367.fig.0013b
(b) Rotor current and voltage with 1.5 pu virtual resistance