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论文文献
| 标题: |
WIND TURBINE APPLICATIONS TECHNICAL PAPER |
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| 所属专业方向: |
风电 |
| 摘要: |
WIND TURBINE APPLICATIONS TECHNICAL PAPER |
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Wind_turbine_PSCADV42.rar
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1 U/ D+ F2 d( e# x3 Q2 U- [( e% }7 c! kPART A: INTRODUCTION 1
1 u' k) w: ], n" v9 J, S1 `. w: X: [1. Introduction..................................................................................................................3
. M. `6 w' w+ W; O0 F2. PSCAD components....................................................................................................5
5 z+ F( v' H' _! d' u- ~3. Modelled structure .......................................................................................................7
% c7 F0 g6 H4 P2 e9 t- ^! _4. Simulations performed.................................................................................................9
) Y; @2 _5 A9 P* |; c* ?PART B: BUILD THE MODEL 11 + F4 q! k' ]1 }
5. From the wind to the Synchronous Generator ...........................................................13 6 x! b) Z8 t# f9 ^
5.1 The Wind Source.........................................................................................................14 ( R) ~+ V* a" k U( _7 S
5.2 The wind turbine component .......................................................................................15
9 h- l; t- G/ N! {5.2.1 Theoretical study ...................................................................................................15 % l6 \! F9 P9 Q8 R3 a
5.2.2 Cp curve with PSCAD standard model .................................................................16
8 j5 x/ m6 M* s5.2.3 Computation of parameters...................................................................................17 ( ]8 c4 o; u* {; R ]1 l
5.2.4 Define the Wind turbine parameters .....................................................................18 1 D* C8 y& J; V7 M' m
5.3 Wind turbine governor component ..............................................................................19
7 a; K) [- \) P" a5.3.1 Theoretical study ...................................................................................................19
; S3 Q, j9 z6 [: a5.3.2 Define the Wind governor parameters ..................................................................20
$ i6 g) }: X) _( R5.4 The synchronous generator.........................................................................................21 7 ]! f, N$ I0 z! `* o& k2 O
5.5 Turbine generator connection: Simulation at rated load..............................................24 0 F& {; \& b3 D
Simulation parameters & analysis : ......................................................................................24
) U/ N! g( q ^. q1 n2 ~6. AC/DC/AC : Power and Frequency conversion .........................................................27 $ [, X. H5 }8 F
6.1 Diode Rectifier .............................................................................................................28
* _1 @/ Q2 l y4 ]2 E2 i6.2 Overvoltage protection ................................................................................................30 7 F0 q1 ?9 ^' S @- [
6.3 DC bus.........................................................................................................................31 & N1 F; \% c' X
6.3.1 Build the DC bus....................................................................................................31
- i5 o- k1 L4 O6.3.2 Model validation.....................................................................................................32 : L4 c2 x4 D- e/ i( ?7 M; b% n- N! U+ a
6.4 6-Pulse Thyristor inverter ............................................................................................34
% J8 A+ W6 j: t7 p6.4.1 Presentation.......................................................................................................... 34
6 M2 J% _& m) n. g$ V6.4.2 Voltage collapse limitation .................................................................................... 36
9 \8 p& Y/ `7 B0 T9 ?% u4 d* p6.4.3 Voltage regulation................................................................................................. 37
4 w7 H7 z. |; {5 c; i+ k6.5 Connection to the network ..........................................................................................40 / \ a/ ]3 }5 `7 n
7. The distribution grid ...................................................................................................43
}+ s( Q" v% X3 `" N2 I7.1.1 Definition of the grid.............................................................................................. 43 6 O$ B O4 U- A1 T D( B) [" a
7.1.2 Load Flow Simulation ........................................................................................... 47 9 m/ X) `; M' I' d" a
PART C: SIMULATE 49 }/ w4 _( v* ~
8. Constant Wind Study .................................................................................................51 ) a! V5 P: m# }$ E- c! Z, O% G
8.1 Structure the complete model .....................................................................................51 6 w p* \" r4 V* ~
8.2 Constant wind study....................................................................................................53
$ v2 Z! i, A# _9 F$ F9. Fault Analysis.............................................................................................................55
q/ v( g. {5 k' l9.1 Default at Node 3 ........................................................................................................56 0 j& t( w7 T2 Z4 p9 A
9.1.1 Without DG........................................................................................................... 56
6 o. K4 [4 g/ ]1 E- c9.1.2 With DG connected at node 1 .............................................................................. 57 * M6 b' i2 U6 T
9.2 Default at Node 2 ........................................................................................................59
' m+ h k6 \- ]3 q7 v7 F+ m9.2.1 Without DG........................................................................................................... 59 4 Y- N7 j, |/ n' |
9.2.2 With DG connected at node 3 .............................................................................. 59
4 n# _- ^# e* {: U3 h9.3 Conclusion ..................................................................................................................61
; o6 h0 w; D1 m) X4 |* ^8 C10. Variable wind study....................................................................................................63 - E" W# C c* b3 V
10.1 Dynamic pitch control ..................................................................................................63 " O4 W L& m7 `4 W
10.2 Passive pitch control simulation ..................................................................................67 ' `' ? I( i/ a8 K: `( n# L8 V0 w+ L
10.3 Comparison of passive and dynamic pitch control ......................................................69 ; n1 e$ n7 x# Z+ h
11. Wind farm...................................................................................................................71 $ h1 Y) J$ @. ` } t
11.1 From a single wind turbine to a wind farm ..................................................................72 T5 F; A7 o3 b3 T3 C. K, Y
11.1.1 Change the structure of the model ....................................................................... 72 2 t2 z9 r2 ~' W+ ]$ f; }
11.1.2 Modifications in the synchronous generator......................................................... 73 ) v5 U: K) S7 y) l' C- `6 ~+ H3 n
11.1.3 Modifications in the transformer ........................................................................... 74 ( R8 e* E% v) N+ u6 _* w& ~
11.1.4 Modifications in the grid........................................................................................ 74 2 B2 c) n4 o8 |3 c0 w
11.2 PWM Regulation drives...............................................................................................75
. f: c4 c' b/ _- u11.2.1 Principles .............................................................................................................. 75
* I' i( G" q: B6 h8 U9 \11.2.2 Generation of the triangular waveform................................................................. 75 ' H2 B4 V2 U1 R( B2 d' e; L6 J8 [" ?
11.2.3 Generation of the reference.................................................................................. 79 ' f$ a2 b; M8 ]; R( J% Y3 e
11.2.4 Generation of the firing pulses for the GTO inverter ............................................ 83
$ e; E$ _2 A$ s11.3 Simulation 85
x# f( ^0 W' ~ H1 o+ z3 APART D: APPENDIX 87 2 I7 w- A1 t' \# z+ ~. X
12. References.................................................................................................................89 |
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