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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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$ t c, k$ a8 s2 KPART A: INTRODUCTION 1 6 p, G( B: e8 O% F1 _% ]
1. Introduction..................................................................................................................3 3 j2 o3 ^8 k( e" r
2. PSCAD components....................................................................................................5
; ?" m) f+ q! ]' h$ m/ g3. Modelled structure .......................................................................................................7
3 j3 R& D3 |0 c+ z4 b4. Simulations performed.................................................................................................9
o- {2 }3 \7 d( \2 ?7 p4 vPART B: BUILD THE MODEL 11
4 c0 e) _$ i1 `( [4 t5. From the wind to the Synchronous Generator ...........................................................13 % }# e# ?1 P/ H' u0 c/ a
5.1 The Wind Source.........................................................................................................14
$ B2 n4 G \: k5 E- a5 c5.2 The wind turbine component .......................................................................................15 2 D0 f/ K( b; w7 ?7 O* ~ h
5.2.1 Theoretical study ...................................................................................................15
9 q( l' m7 z0 d5.2.2 Cp curve with PSCAD standard model .................................................................16
' Z' I- W+ m9 S* l# B5.2.3 Computation of parameters...................................................................................17
: v' B: Z H/ i- s' F. u5.2.4 Define the Wind turbine parameters .....................................................................18
3 l' ?7 H: s' C- G6 C `5.3 Wind turbine governor component ..............................................................................19
4 o$ h, O" ~; l8 k5.3.1 Theoretical study ...................................................................................................19 9 B, G; j) o p: K
5.3.2 Define the Wind governor parameters ..................................................................20
( r& c! r* X+ i1 C/ |8 w6 R% E z5.4 The synchronous generator.........................................................................................21 % x% }, G b8 O) W$ F n0 u
5.5 Turbine generator connection: Simulation at rated load..............................................24 ; |) { @% U( T- L2 b* W
Simulation parameters & analysis : ......................................................................................24 ! F. c0 R! k& C, `) f
6. AC/DC/AC : Power and Frequency conversion .........................................................27
; g* p% j- \" |, W0 m/ U6.1 Diode Rectifier .............................................................................................................28
6 F ~4 E7 L- K8 C6.2 Overvoltage protection ................................................................................................30 . |1 R7 B; a' p, I9 K7 Y
6.3 DC bus.........................................................................................................................31 + u5 f+ G" F# t0 F
6.3.1 Build the DC bus....................................................................................................31
8 o0 ]: W+ L. q+ @' M& c. }+ H6.3.2 Model validation.....................................................................................................32
& M* K) k" p: h( d, ]& A6.4 6-Pulse Thyristor inverter ............................................................................................34 : p" V9 ?) t$ Q1 n' u, L
6.4.1 Presentation.......................................................................................................... 34
: M& Y! I$ B; l/ k6.4.2 Voltage collapse limitation .................................................................................... 36
6 e; B0 k. R& Y& M) T) q6.4.3 Voltage regulation................................................................................................. 37
5 K; e8 z$ x i$ A7 n1 O2 ~* S& {6.5 Connection to the network ..........................................................................................40
8 w9 g5 p/ h5 }' ]3 q: d# N7. The distribution grid ...................................................................................................43
6 o1 }8 ~" o" W8 w3 V a7.1.1 Definition of the grid.............................................................................................. 43 * x+ j( b9 \$ L: W! R; }1 S$ B
7.1.2 Load Flow Simulation ........................................................................................... 47
* G1 s& l, h! o1 H" SPART C: SIMULATE 49
" {. g1 G1 i. d& L! `4 g( K5 H7 y8. Constant Wind Study .................................................................................................51
8 f# ~$ P X; P/ u/ p8.1 Structure the complete model .....................................................................................51 1 e8 n1 _) F/ t, p% i% w' n0 n
8.2 Constant wind study....................................................................................................53
% L$ @+ b8 e/ e& z3 [9. Fault Analysis.............................................................................................................55
% i/ I# o2 _ | `" M+ [' v9.1 Default at Node 3 ........................................................................................................56
2 l2 G6 V# q: X1 R9.1.1 Without DG........................................................................................................... 56
: x# }8 d* s" S C6 z2 Y0 a9.1.2 With DG connected at node 1 .............................................................................. 57
) q, B# W. j+ S. ?9.2 Default at Node 2 ........................................................................................................59 , a2 U1 u0 m" N" i$ P5 J, t
9.2.1 Without DG........................................................................................................... 59
! _+ T" Z) f3 H) ]9.2.2 With DG connected at node 3 .............................................................................. 59
9 K2 s) N' [5 t4 Q9.3 Conclusion ..................................................................................................................61
X4 w. e0 ~: {! W9 Q+ ~10. Variable wind study....................................................................................................63
7 Z8 w4 A/ c4 W& o" b, |10.1 Dynamic pitch control ..................................................................................................63
" ^& ~( T0 G8 C1 @0 S10.2 Passive pitch control simulation ..................................................................................67
' T- ^: K5 p! L" W10.3 Comparison of passive and dynamic pitch control ......................................................69
6 N" r/ a, `- f' B11. Wind farm...................................................................................................................71
4 ~) F; T8 T) w5 S11.1 From a single wind turbine to a wind farm ..................................................................72
" x9 J" ^' g4 |9 i. }11.1.1 Change the structure of the model ....................................................................... 72 " X; [2 b; H; B( R; j3 A: k
11.1.2 Modifications in the synchronous generator......................................................... 73
1 U. K# f4 j3 Z- G11.1.3 Modifications in the transformer ........................................................................... 74
: n) u, O8 k* t9 d" ]6 j11.1.4 Modifications in the grid........................................................................................ 74
8 B. ^, n! K+ z- [5 _# e( \/ F) {11.2 PWM Regulation drives...............................................................................................75 0 \* [& n- s% c9 c: _/ |
11.2.1 Principles .............................................................................................................. 75 . ]7 U5 O) Q3 S$ H/ d3 i% F
11.2.2 Generation of the triangular waveform................................................................. 75 / W; \7 \7 S6 T5 ~. {5 _0 E$ v' c
11.2.3 Generation of the reference.................................................................................. 79
, W0 o4 p# F' o: U6 X, P11.2.4 Generation of the firing pulses for the GTO inverter ............................................ 83 ) i E# i O; D8 O0 }" V1 O- i7 Z
11.3 Simulation 858 y4 I# m, L4 M/ @: F+ F1 m1 ~
PART D: APPENDIX 87 $ z/ e- n2 _3 W( v; E" h4 m
12. References.................................................................................................................89 |
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