Research Article
Model Predictive Control on Transient Flux Linkage and Reactive Power Compensation of Doubly Fed Induction Wind Generator
Table 3
Comparison of relevant control performance indicators.
| Index | Peak rotor current (pu) | DC bus voltage overshoot (%) | Stator active power recovery time (s) | Maximum reactive power absorbed by stator (kW) | Rotor speed overshoot (%) |
| Three-phase voltage drops to 20% | TVC | 2.6 | 5.4 | 0.7 | 10.2 | 64.2 | TDC | 2.5 | 4.5 | 0.6 | 9.1 | 64.2 | MPC+DC | 2.5 | 2.7 | 0.6 | 7.8 | 50.3 | Method proposed | 1.9 | 2.0 | 0.45 | 5.2 | 28.5 |
| Two-phase voltage drop to 20% | TVC | 4.1 | 5.0 | 1.3 | 4.9 | 35.7 | TDC | 3.7 | 5.0 | 0.9 | 2.2 | 25.2 | MPC+DC | 2.8 | 2.5 | 0.7 | 1.8 | 25.0 | Method proposed | 2.2 | 1.2 | 0.57 | 1.2 | 14.2 |
| Single-phase voltage drop of 20% | TVC | 4.2 | 1.6 | 0.8 | 2.5 | 17.8 | TDC | 3.9 | 1.5 | 0.8 | 2.45 | 17.8 | MPC+DC | 2.5 | 1.2 | 0.6 | 2.6 | 12.8 | Method proposed | 1.3 | 0.8 | 0.45 | 1.5 | 7.1 |
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