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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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PART A: INTRODUCTION 1 J# Q. I4 T2 X5 x3 U) i" g. P
1. Introduction..................................................................................................................3
4 i7 u" A, Y9 w2 R2. pscad components....................................................................................................5
, ?: t2 O7 k2 |8 L3. Modelled structure .......................................................................................................7 : b7 p3 Q7 I+ b; f& Z
4. Simulations performed.................................................................................................9
. A, S; ~0 d& d% {$ P% OPART B: BUILD THE MODEL 11
9 m0 l# N; C3 t; z5. From the wind to the Synchronous Generator ...........................................................13 ' s, p1 I/ q9 n( c) f
5.1 The Wind Source.........................................................................................................14
8 k0 G' w$ Z( ~9 R7 ]2 V0 K1 I5.2 The wind turbine component .......................................................................................15 / h o% A% M/ Q% c4 \# D
5.2.1 Theoretical study ...................................................................................................15 * |) P5 J, A" a! E) L6 h' s
5.2.2 Cp curve with PSCAD standard model .................................................................16 5 P4 o* z+ ?4 F) t H
5.2.3 Computation of parameters...................................................................................17 $ Q, {, J/ }4 N) R- U9 W3 m
5.2.4 Define the Wind turbine parameters .....................................................................18
; j0 a, }7 r- T. ]! w+ x, E9 S5.3 Wind turbine governor component ..............................................................................19 5 u& Y8 D/ @( E, A
5.3.1 Theoretical study ...................................................................................................19 9 p3 p* r: I, k6 \
5.3.2 Define the Wind governor parameters ..................................................................20
5 E7 O3 L: w" h& M# ]7 v& C5.4 The synchronous generator.........................................................................................21 3 T" j4 ~6 g: n. i. a+ ~6 |6 \
5.5 Turbine generator connection: Simulation at rated load..............................................24 # b9 b+ p4 |* x8 B1 g9 Y4 Q
Simulation parameters & analysis : ......................................................................................24
. c( P' @2 @* y9 x, _) x) H, N8 V6. AC/DC/AC : Power and Frequency conversion .........................................................27 , K" y' j, [& D5 X* C
6.1 Diode Rectifier .............................................................................................................28
0 f5 H; h/ }* O5 O( F6.2 Overvoltage protection ................................................................................................30 + s! U" E+ s5 H& w
6.3 DC bus.........................................................................................................................31
4 P6 Y, }% {& \, _- Y6.3.1 Build the DC bus....................................................................................................31 5 u. q$ x4 U1 L7 @9 C
6.3.2 Model validation.....................................................................................................32
* @1 P! Z- x( c# Q- Q. u6.4 6-Pulse Thyristor inverter ............................................................................................34 , a' O" C1 K) I1 n* [6 k0 i
6.4.1 Presentation.......................................................................................................... 34
5 q( p2 \1 M3 N) y* T( T6.4.2 Voltage collapse limitation .................................................................................... 36 8 t+ T1 S+ T' b: O8 f
6.4.3 Voltage regulation................................................................................................. 37 / _' u, L5 j' ?0 _9 K
6.5 Connection to the network ..........................................................................................40 - o& R0 b5 w; E6 D3 o8 N
7. The distribution grid ...................................................................................................43 : }3 @( F7 S Y' S& J! u
7.1.1 Definition of the grid.............................................................................................. 43
8 }' Y/ W/ j. [- @& f7.1.2 Load Flow Simulation ........................................................................................... 47 0 S) | }6 U. e0 a& x
PART C: SIMULATE 49 9 O; Z+ E2 E, `
8. Constant Wind Study .................................................................................................51 2 T" u1 R" v% b7 p# Z1 P% R3 X
8.1 Structure the complete model .....................................................................................51 + U3 _( c3 Y8 ?& ]. @) }: |* \& j
8.2 Constant wind study....................................................................................................53
! T% n; f! u; n3 g' B% o* g9. Fault Analysis.............................................................................................................55 ! e( C- y# e* a
9.1 Default at Node 3 ........................................................................................................56
O6 F8 B4 P* `1 Z3 S! M; O0 A9.1.1 Without DG........................................................................................................... 56 % X% O, Q1 E7 z8 s
9.1.2 With DG connected at node 1 .............................................................................. 57
+ i, t6 X) I: \9 Q! Y9.2 Default at Node 2 ........................................................................................................59 1 g) a/ O" W% v+ ~9 R
9.2.1 Without DG........................................................................................................... 59 . @1 y; V5 V1 t, O& E! ~$ t
9.2.2 With DG connected at node 3 .............................................................................. 59 , r4 k. b# s8 L: Y4 t# v# @
9.3 Conclusion ..................................................................................................................61 # Y0 W, w4 N) c* e
10. Variable wind study....................................................................................................63 % W. T# p* `: B/ f* }; p+ j
10.1 Dynamic pitch control ..................................................................................................63
% F' N* R' X& S2 D" l10.2 Passive pitch control simulation ..................................................................................67
2 ^6 G, D |% z10.3 Comparison of passive and dynamic pitch control ......................................................69 4 R7 C& g5 s# O2 `1 p" R4 K
11. Wind farm...................................................................................................................71 ) T( f1 v) k- ~ j' ?* ^$ w: [' x
11.1 From a single wind turbine to a wind farm ..................................................................72
% [6 p* u/ H* T11.1.1 Change the structure of the model ....................................................................... 72 / G* V( A# e7 A# ?2 m
11.1.2 Modifications in the synchronous generator......................................................... 73
, |( W( n1 m( G2 Z5 p, |; c" D11.1.3 Modifications in the transformer ........................................................................... 74
. d0 Q7 d( s0 u8 n. K. [6 v+ T11.1.4 Modifications in the grid........................................................................................ 74
6 L8 t: h6 E/ ]11.2 PWM Regulation drives...............................................................................................75 9 B8 @4 y- e) u( @) V8 ^. w& {
11.2.1 Principles .............................................................................................................. 75
* q( p9 Y; o9 M* F11.2.2 Generation of the triangular waveform................................................................. 75 ; G" m( q- e l" E m. \
11.2.3 Generation of the reference.................................................................................. 79 9 O8 j! l2 ]# }9 i
11.2.4 Generation of the firing pulses for the GTO inverter ............................................ 83 % l# j7 P. r! ]" f+ c; g
11.3 Simulation 85
x5 w9 w; \+ YPART D: APPENDIX 87 3 }3 \9 Y8 c2 N% N7 D
12. References.................................................................................................................89 |
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