PSCAD的风机模型仿真教程
PART A: INTRODUCTION1
1.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
5.1The Wind Source.........................................................................................................14
5.2The wind turbine component .......................................................................................15
5.2.1Theoretical study ...................................................................................................15
5.2.2Cp curve with PSCAD standard model .................................................................16
5.2.3Computation of parameters...................................................................................17
5.2.4Define the Wind turbine parameters .....................................................................18
5.3Wind turbine governor component ..............................................................................19
5.3.1Theoretical study ...................................................................................................19
5.3.2Define the Wind governor parameters ..................................................................20
5.4The synchronous generator.........................................................................................21
5.5Turbine generator connection: Simulation at rated load..............................................24
Simulation parameters & analysis : ......................................................................................24
6.AC/DC/AC : Power and Frequency conversion .........................................................27
6.1Diode Rectifier .............................................................................................................28
6.2Overvoltage protection ................................................................................................30
6.3DC bus.........................................................................................................................31
6.3.1Build the DC bus....................................................................................................31
6.3.2Model validation.....................................................................................................32
6.46-Pulse Thyristor inverter ............................................................................................34
6.4.1Presentation.......................................................................................................... 34
6.4.2Voltage collapse limitation .................................................................................... 36
6.4.3Voltage regulation................................................................................................. 37
6.5Connection to the network ..........................................................................................40
7.The distribution grid ...................................................................................................43
7.1.1Definition of the grid.............................................................................................. 43
7.1.2Load Flow Simulation ........................................................................................... 47
PART C: SIMULATE 49
8.Constant Wind Study .................................................................................................51
8.1Structure the complete model .....................................................................................51
8.2Constant wind study....................................................................................................53
9.Fault Analysis.............................................................................................................55
9.1Default at Node 3 ........................................................................................................56
9.1.1Without DG........................................................................................................... 56
9.1.2With DG connected at node 1 .............................................................................. 57
9.2Default at Node 2 ........................................................................................................59
9.2.1Without DG........................................................................................................... 59
9.2.2With DG connected at node 3 .............................................................................. 59
9.3Conclusion ..................................................................................................................61
10. Variable wind study....................................................................................................63
10.1Dynamic pitch control ..................................................................................................63
10.2Passive pitch control simulation ..................................................................................67
10.3Comparison of passive and dynamic pitch control ......................................................69
11. Wind farm...................................................................................................................71
11.1From a single wind turbine to a wind farm ..................................................................72
11.1.1Change the structure of the model ....................................................................... 72
11.1.2Modifications in the synchronous generator......................................................... 73
11.1.3Modifications in the transformer ........................................................................... 74
11.1.4Modifications in the grid........................................................................................ 74
11.2PWM Regulation drives...............................................................................................75
11.2.1Principles .............................................................................................................. 75
11.2.2Generation of the triangular waveform................................................................. 75
11.2.3Generation of the reference.................................................................................. 79
11.2.4Generation of the firing pulses for the GTO inverter ............................................ 83
11.3Simulation 85
PART D: APPENDIX 87
12. References.................................................................................................................89 咱也下一个 好东西 本帖最后由 wangyan_gba 于 2011-4-16 13:43 编辑
好东西，不过英文的看起来就累了 。LZ能不能发我邮箱一份啊wangyan_gba@126.com 楼主这是从哪找的？ 回复 5# gloria
我的小师弟给我的~ 楼主能给我发一份吗？我的流量不够那么多啊，zghnll@126.com 好东西啊 感谢楼主分享 回复 1# sanny_133
好东西，这个mode这么详细，还有说明，不会是PSCAD自带的吧？不过还是谢谢分享！
