WIND TURBINE APPLICATIONS
PART A: INTRODUCTION 11. Introduction..................................................................................................................3
2. PSCAD components....................................................................................................5
3. Modelled structure.......................................................................................................7
4. Simulations performed.................................................................................................9
PART B: BUILD THE MODEL 11
5. From the wind to the Synchronous Generator...........................................................13
5.1 The Wind Source.........................................................................................................14
5.2 The wind turbine component.......................................................................................15
5.2.1 Theoretical study...................................................................................................15
5.2.2 Cp curve with PSCAD standard model.................................................................16
5.2.3 Computation of parameters...................................................................................17
5.2.4 Define the Wind turbine parameters.....................................................................18
5.3 Wind turbine governor component..............................................................................19
5.3.1 Theoretical study...................................................................................................19
5.3.2 Define the Wind governor parameters..................................................................20
5.4 The synchronous generator.........................................................................................21
5.5 Turbine generator connection: Simulation at rated load..............................................24
Simulation parameters & analysis :......................................................................................24
6. AC/DC/AC : Power and Frequency conversion.........................................................27
6.1 Diode Rectifier.............................................................................................................28
6.2 Overvoltage protection................................................................................................30
6.3 DC bus.........................................................................................................................31
6.3.1 Build the DC bus....................................................................................................31
6.3.2 Model validation.....................................................................................................32
6.4 6-Pulse Thyristor inverter............................................................................................34 WIND TURBINE APPLICATIONS PAGE A
PSCAD®4.02
Introduction
6.4.1 Presentation..........................................................................................................34
6.4.2 Voltage collapse limitation....................................................................................36
6.4.3 Voltage regulation.................................................................................................37
6.5 Connection to the network..........................................................................................40
7. The distribution grid...................................................................................................43
7.1.1 Definition of the grid..............................................................................................43
7.1.2 Load Flow Simulation...........................................................................................47
PART C: SIMULATE 49
8. Constant Wind Study.................................................................................................51
8.1 Structure the complete model.....................................................................................51
8.2 Constant wind study....................................................................................................53
9. Fault Analysis.............................................................................................................55
9.1 Default at Node 3........................................................................................................56
9.1.1 Without DG...........................................................................................................56
9.1.2 With DG connected at node 1..............................................................................57
9.2 Default at Node 2........................................................................................................59
9.2.1 Without DG...........................................................................................................59
9.2.2 With DG connected at node 3..............................................................................59
9.3 Conclusion..................................................................................................................61
10. Variable wind study....................................................................................................63
10.1 Dynamic pitch control..................................................................................................63
10.2 Passive pitch control simulation..................................................................................67
10.3 Comparison of passive and dynamic pitch control......................................................69
11. Wind farm...................................................................................................................71
11.1 From a single wind turbine to a wind farm..................................................................72
11.1.1 Change the structure of the model.......................................................................72
11.1.2 Modifications in the synchronous generator.........................................................73
11.1.3 Modifications in the transformer...........................................................................74
11.1.4 Modifications in the grid........................................................................................74
11.2 PWM Regulation drives...............................................................................................75
11.2.1 Principles..............................................................................................................75
11.2.2 Generation of the triangular waveform.................................................................75
11.2.3 Generation of the reference..................................................................................79
11.2.4 Generation of the firing pulses for the GTO inverter............................................83
11.3 Simulation 85
PART D: APPENDIX 87
12. References.................................................................................................................89 多谢楼主的分享 感谢楼主的资料 很好的参考。 弥足珍贵，而且还有简单介绍，太感谢楼主了 再次感谢了
页:
[1]
