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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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& k8 f- R9 K5 |# e: xPART A: INTRODUCTION 1 8 k4 m3 J# j0 |# z! @3 v/ M: y
1. Introduction..................................................................................................................3 % V& C2 J; c3 N6 W3 `- w
2. pscad components....................................................................................................5
! ~' F; X0 @1 m3 |. `) e Y4 K3. Modelled structure .......................................................................................................7
, l) C3 o0 S7 h6 s& n F4. Simulations performed.................................................................................................9 * u2 } T$ N" ~8 f: b8 s/ K$ @* R$ f
PART B: BUILD THE MODEL 11 ( `% N, p8 J ?
5. From the wind to the Synchronous Generator ...........................................................13
# P. v5 ?# s6 s2 E; \. m* q5 u5.1 The Wind Source.........................................................................................................14
1 l* Z& U) u$ c. R# q6 t5.2 The wind turbine component .......................................................................................15 ( V; }# \5 f: ?* K
5.2.1 Theoretical study ...................................................................................................15
* O. x) B q) v& @# x; H/ J1 W5.2.2 Cp curve with PSCAD standard model .................................................................16 4 v. K8 E% D' T/ j+ O3 v
5.2.3 Computation of parameters...................................................................................17
: d* g# ^# Y* K' I4 {8 B0 ~5.2.4 Define the Wind turbine parameters .....................................................................18
. Z+ s8 t l0 z. o" |* J% a5.3 Wind turbine governor component ..............................................................................19 + U8 ?- k8 }! k# M
5.3.1 Theoretical study ...................................................................................................19
$ `. n6 h! d; O3 f5.3.2 Define the Wind governor parameters ..................................................................20
( [, z0 N2 _. F2 R6 ^, I/ y5.4 The synchronous generator.........................................................................................21 * J' M# X+ h+ s% Z9 T
5.5 Turbine generator connection: Simulation at rated load..............................................24
7 _ @* c* m5 J) f4 `3 R2 sSimulation parameters & analysis : ......................................................................................24
, E; O" D: q( W2 q6. AC/DC/AC : Power and Frequency conversion .........................................................27 / h( Z2 G4 y" W- ~1 n
6.1 Diode Rectifier .............................................................................................................28 4 d/ A7 I: m0 U1 z. Q
6.2 Overvoltage protection ................................................................................................30
# S5 E3 _: s4 Z6.3 DC bus.........................................................................................................................31
. E- O5 z" w- F7 L6.3.1 Build the DC bus....................................................................................................31 ) p/ ?( G4 @0 R# ? v+ L+ F9 F
6.3.2 Model validation.....................................................................................................32
+ v0 U8 E1 S% _+ p6.4 6-Pulse Thyristor inverter ............................................................................................34 - q! C. l5 _& B5 G5 c( e) n
6.4.1 Presentation.......................................................................................................... 34
! G' z6 s3 E9 i' z# Y6.4.2 Voltage collapse limitation .................................................................................... 36
5 v I2 E z Z" r' @" G6.4.3 Voltage regulation................................................................................................. 37 , N4 S7 n+ f) }8 w. u8 o
6.5 Connection to the network ..........................................................................................40
* z5 e2 }8 r- m/ z( Q5 n& R7. The distribution grid ...................................................................................................43
8 @7 r5 E0 K' w3 Q! {$ Y7.1.1 Definition of the grid.............................................................................................. 43 3 h% }- t" ~2 Z: {# U% s
7.1.2 Load Flow Simulation ........................................................................................... 47 ' e4 G1 J" B' }* T4 n6 p
PART C: SIMULATE 49 ' [9 t7 W; r/ m% I6 q
8. Constant Wind Study .................................................................................................51
; l# W2 L4 S/ ]$ W7 r) E8.1 Structure the complete model .....................................................................................51
% n/ u# O5 }; B8.2 Constant wind study....................................................................................................53 $ P# G! |' j$ A8 T. G8 q
9. Fault Analysis.............................................................................................................55
; ^9 `4 f' |3 c) x9.1 Default at Node 3 ........................................................................................................56 - j2 y q& u9 L+ b0 `
9.1.1 Without DG........................................................................................................... 56
6 C% D' C4 O! H) A# s5 R+ h9.1.2 With DG connected at node 1 .............................................................................. 57 3 ^/ x3 D! Y+ N- F+ U
9.2 Default at Node 2 ........................................................................................................59
2 r) I* y0 y; i4 Z6 B) j9.2.1 Without DG........................................................................................................... 59
% r0 z% \; S, k" T& ^/ J3 B# |2 y9.2.2 With DG connected at node 3 .............................................................................. 59
6 H1 b. v$ I1 c+ S9.3 Conclusion ..................................................................................................................61 * B+ v1 j& Q$ ~, T. p+ B7 Z# Y
10. Variable wind study....................................................................................................63
$ z. y. n) c: d' ^5 K8 l10.1 Dynamic pitch control ..................................................................................................63
3 G6 E( \8 j! _# _6 ]% ~10.2 Passive pitch control simulation ..................................................................................67 * u; o9 ]+ a I& p% T6 _ w O5 I
10.3 Comparison of passive and dynamic pitch control ......................................................69 ( o" A; t5 x; w! d. c# e* Q. b
11. Wind farm...................................................................................................................71 : S& D. Y3 G& y. F$ e4 z4 M, G. H
11.1 From a single wind turbine to a wind farm ..................................................................72
% [+ K3 H9 o! G/ }9 }; F11.1.1 Change the structure of the model ....................................................................... 72
9 K5 \* r( @- T11.1.2 Modifications in the synchronous generator......................................................... 73 , L6 }+ w4 J# ~" U
11.1.3 Modifications in the transformer ........................................................................... 74 5 I6 z4 p- a# d. B. g
11.1.4 Modifications in the grid........................................................................................ 74
?1 W- ~# S: g6 E; T, H+ J2 c3 o7 f11.2 PWM Regulation drives...............................................................................................75 * R% b1 m: z$ B
11.2.1 Principles .............................................................................................................. 75 6 v) X7 Y( G; {: T
11.2.2 Generation of the triangular waveform................................................................. 75 9 \! d& x7 P$ k7 E& p& v# P% E
11.2.3 Generation of the reference.................................................................................. 79 # u1 e$ o: b0 A( Q# k
11.2.4 Generation of the firing pulses for the GTO inverter ............................................ 83
3 W+ t& b- D, t% s9 i3 ^% D3 f11.3 Simulation 85& D5 E5 a" \7 b# t ^% M& f
PART D: APPENDIX 87
+ L* I8 A) [* [' D* R- p) E& d( b12. References.................................................................................................................89 |
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