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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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# L3 b* ?, f( i0 ?& {7 GPART A: INTRODUCTION 1
8 N* {0 @0 \1 I/ z. \0 n1 y( m1. Introduction..................................................................................................................3
! r# g* ]0 z7 G9 w* s+ y2. PSCAD components....................................................................................................5
2 n( `+ n# H- @3. Modelled structure .......................................................................................................7
7 v: z& ~5 D/ \0 F1 ~: S$ I# ?4. Simulations performed.................................................................................................9
\; e8 {. a3 U8 SPART B: BUILD THE MODEL 11 : o$ D o5 v i4 h5 D" a
5. From the wind to the Synchronous Generator ...........................................................13 % W' G$ l- o# G/ p' M+ j
5.1 The Wind Source.........................................................................................................14 , b4 ^# J8 z0 c% X# y4 I6 i I
5.2 The wind turbine component .......................................................................................15 ) Y1 j, t/ R- N1 | X9 H; O
5.2.1 Theoretical study ...................................................................................................15
. q m- H0 E4 J# g, M" f: q, v& \9 f" E1 L5.2.2 Cp curve with PSCAD standard model .................................................................16
! ^- e7 u. X4 [% @- e2 H. {& f+ e0 N5.2.3 Computation of parameters...................................................................................17
+ Y0 t8 o9 H0 {3 A$ r5.2.4 Define the Wind turbine parameters .....................................................................18 # @: L/ }' z p) u1 I: m
5.3 Wind turbine governor component ..............................................................................19 ; y5 e; E% {; ]" U% f3 u
5.3.1 Theoretical study ...................................................................................................19 : i# c) [2 n+ W* F- w
5.3.2 Define the Wind governor parameters ..................................................................20 ! C9 G" o% n L/ o
5.4 The synchronous generator.........................................................................................21
0 t7 T# B; s% t6 n# i. A5.5 Turbine generator connection: Simulation at rated load..............................................24
& I5 n. C5 [; h6 O1 hSimulation parameters & analysis : ......................................................................................24 7 d9 a- d2 V, m4 R8 d2 L& F+ L
6. AC/DC/AC : Power and Frequency conversion .........................................................27 & L. L7 o9 A% I$ j3 ?
6.1 Diode Rectifier .............................................................................................................28
# W4 c8 y1 L* e/ D6.2 Overvoltage protection ................................................................................................30 5 ^+ ^& s0 [" B" l! }1 x( g
6.3 DC bus.........................................................................................................................31
% Y4 Z3 P1 J% @+ z J. I& b6.3.1 Build the DC bus....................................................................................................31 : r% k( X( ^7 U5 e/ I l
6.3.2 Model validation.....................................................................................................32
; k4 I; }0 `5 l; S2 F& S4 a6.4 6-Pulse Thyristor inverter ............................................................................................34
) u6 N" e, K4 n1 [6.4.1 Presentation.......................................................................................................... 34
6 g2 `8 M6 G! {. Y+ F6.4.2 Voltage collapse limitation .................................................................................... 36 ( A: n0 B4 p' }$ Q2 k$ }# n, }
6.4.3 Voltage regulation................................................................................................. 37
+ |& d# j1 Z3 u) \% Y9 Q. J6.5 Connection to the network ..........................................................................................40
- L" D3 G- H5 c5 P7. The distribution grid ...................................................................................................43 & z4 L; w/ `6 n$ N* X' t9 q
7.1.1 Definition of the grid.............................................................................................. 43
& \ `3 \9 ^& U* t' I) }7.1.2 Load Flow Simulation ........................................................................................... 47
6 M5 w/ G! g+ ePART C: SIMULATE 49 1 Z* y$ S- m% h( F& _- l1 L2 D
8. Constant Wind Study .................................................................................................51 " E7 C$ p0 {! l1 i) d- f
8.1 Structure the complete model .....................................................................................51 1 E! a( H# G' R$ v! j+ y
8.2 Constant wind study....................................................................................................53
9 n5 f8 j6 c* P( K9. Fault Analysis.............................................................................................................55 : e) e( [" d8 B T
9.1 Default at Node 3 ........................................................................................................56 $ M) i' J6 P! }0 j2 @' s
9.1.1 Without DG........................................................................................................... 56 $ w N' w B" R3 z% E4 M, t4 P" v
9.1.2 With DG connected at node 1 .............................................................................. 57
4 T+ |9 B% T+ e2 w) u7 ]9.2 Default at Node 2 ........................................................................................................59
8 y( z, g; d) o, z) O7 L9.2.1 Without DG........................................................................................................... 59
' t/ h9 c6 G( E5 b/ C0 k" ~" n9.2.2 With DG connected at node 3 .............................................................................. 59
/ b, H' E, Y5 E+ b" {! m9.3 Conclusion ..................................................................................................................61 6 S2 E. f0 l$ M9 S' h/ }) d
10. Variable wind study....................................................................................................63 % q/ s8 p4 ~, T* q; N2 O3 p. U3 s
10.1 Dynamic pitch control ..................................................................................................63
8 A0 _0 F1 k6 x10.2 Passive pitch control simulation ..................................................................................67 # d! Y8 T" h k7 W
10.3 Comparison of passive and dynamic pitch control ......................................................69
7 W- ~% J: u: ]11. Wind farm...................................................................................................................71
- E7 o- M& O5 _0 p3 [5 [11.1 From a single wind turbine to a wind farm ..................................................................72 a) x2 H- \" G! y- R: Q
11.1.1 Change the structure of the model ....................................................................... 72
7 F. Y( | r. L- `11.1.2 Modifications in the synchronous generator......................................................... 73
( m- n+ A# N6 L9 o7 R2 Z: l11.1.3 Modifications in the transformer ........................................................................... 74
h) i% B( N7 g: j0 T8 K( D' f# m, _11.1.4 Modifications in the grid........................................................................................ 74
u! ]3 t5 F* C+ ^. Y B! g5 o11.2 PWM Regulation drives...............................................................................................75 9 m8 t; K# p* Z/ \2 t! q7 _; u
11.2.1 Principles .............................................................................................................. 75
, @: y# I) ]0 W% p11.2.2 Generation of the triangular waveform................................................................. 75
9 D9 }4 x; O8 r* a) B4 \: H11.2.3 Generation of the reference.................................................................................. 79 / g6 I3 j/ ~: i/ y- T9 s) I7 e( v6 B
11.2.4 Generation of the firing pulses for the GTO inverter ............................................ 83
& M. i% Q& Y3 R K7 \" a$ |: c7 L y11.3 Simulation 85. S3 z/ }! U" u, u$ u1 p
PART D: APPENDIX 87
' f! |5 Z! I5 \4 e. h, | {: |12. References.................................................................................................................89 |
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