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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
- s' S' T' v6 ~. ` }" p1. Introduction..................................................................................................................3 & h4 ^' p. s. d
2. pscad components....................................................................................................5
2 ?' v3 b0 C. s! L/ f3. Modelled structure .......................................................................................................7
5 E4 r0 Q$ d8 W: c+ C8 x. S4. Simulations performed.................................................................................................9
% X ?2 T. `( f, c6 I- Y1 w% WPART B: BUILD THE MODEL 11
3 f ^6 S; y, W" V( c# E% U$ S5. From the wind to the Synchronous Generator ...........................................................13 ) ~: u" N( r: x( S( C
5.1 The Wind Source.........................................................................................................14
# Y0 E5 i( b6 i2 \. ~8 I1 ?5.2 The wind turbine component .......................................................................................15 1 A0 F2 }" w7 F) S
5.2.1 Theoretical study ...................................................................................................15
) w* `0 @4 }) x! A8 b" r5.2.2 Cp curve with PSCAD standard model .................................................................16 " @( I B; r* j
5.2.3 Computation of parameters...................................................................................17
# I1 U* G$ i8 {+ ~5.2.4 Define the Wind turbine parameters .....................................................................18
. B. r+ _4 `+ k, E3 `( s5.3 Wind turbine governor component ..............................................................................19
* d- q$ D6 e8 W: h5 J* g5.3.1 Theoretical study ...................................................................................................19
5 d2 R* P5 h. p2 x: m5.3.2 Define the Wind governor parameters ..................................................................20
* L8 g; O3 ^! O" u) {, N" l5.4 The synchronous generator.........................................................................................21 - X, [8 ^+ _, a" z$ E
5.5 Turbine generator connection: Simulation at rated load..............................................24
& Y- r$ ] d7 lSimulation parameters & analysis : ......................................................................................24
/ j: \7 i+ E7 R' g! k j; }1 w; F6. AC/DC/AC : Power and Frequency conversion .........................................................27 : n! \! N; o5 n
6.1 Diode Rectifier .............................................................................................................28
6 K$ ?1 u8 [$ w( @5 |! `6.2 Overvoltage protection ................................................................................................30
! |, N' Z# e0 u9 C8 j5 z0 s" J5 c* J6.3 DC bus.........................................................................................................................31 / x! ]' i9 Q0 K, [+ y5 \. q, ^
6.3.1 Build the DC bus....................................................................................................31
6 i3 B/ U( t x6.3.2 Model validation.....................................................................................................32
; [. t0 R; O# I6.4 6-Pulse Thyristor inverter ............................................................................................34
8 q$ N2 j1 u8 Y s5 F6.4.1 Presentation.......................................................................................................... 34
* s. m. Y P6 k; Q. r' c6.4.2 Voltage collapse limitation .................................................................................... 36
4 n* L9 \8 P8 C8 x* D+ d/ G/ n6.4.3 Voltage regulation................................................................................................. 37
6 ]) A4 g, x* g( Q) Y8 c( p1 r. O1 s( q6.5 Connection to the network ..........................................................................................40
" D4 f ?; _ Y: w+ g0 A5 O+ b7. The distribution grid ...................................................................................................43
+ a. F+ D: Z2 D8 i' C7.1.1 Definition of the grid.............................................................................................. 43 0 ]" j. a5 m% I: a+ u; k+ W9 q
7.1.2 Load Flow Simulation ........................................................................................... 47
5 A& T% y& ?' N8 P, j8 {PART C: SIMULATE 49 , G4 d, y0 y1 [# G) i! {8 Y
8. Constant Wind Study .................................................................................................51 & h# R% v0 H3 ~ x+ [. g- t+ z" a
8.1 Structure the complete model .....................................................................................51
- @5 I4 q$ W) g- v5 c/ ^9 K3 _8.2 Constant wind study....................................................................................................53 7 x" p4 C+ \; V: W ^, @
9. Fault Analysis.............................................................................................................55
6 l9 i8 U6 s" d; ]+ p3 E9.1 Default at Node 3 ........................................................................................................56 4 ?! `; v/ m8 n6 I$ ^6 j
9.1.1 Without DG........................................................................................................... 56
0 a7 Y" T) t7 Q" N) a7 t9.1.2 With DG connected at node 1 .............................................................................. 57 & }3 m2 } U% p$ V& F6 t9 i
9.2 Default at Node 2 ........................................................................................................59 - e' C {1 F) a ~1 T; |# j w
9.2.1 Without DG........................................................................................................... 59 6 K# w& R/ t$ k6 ~! d# ?! v4 V
9.2.2 With DG connected at node 3 .............................................................................. 59 ( D% V: h" E2 x8 S* A8 d
9.3 Conclusion ..................................................................................................................61 : p$ z$ b0 H" N4 j \
10. Variable wind study....................................................................................................63 : P/ X" i) F* x0 t; `
10.1 Dynamic pitch control ..................................................................................................63 & U% [8 r8 V, g }# {6 d* ]6 @
10.2 Passive pitch control simulation ..................................................................................67 * A- N$ B# g1 |3 C
10.3 Comparison of passive and dynamic pitch control ......................................................69 ( S7 M1 \1 Q! `" v
11. Wind farm...................................................................................................................71 # ~0 h1 t5 `7 a: u; `
11.1 From a single wind turbine to a wind farm ..................................................................72
: b1 o4 W1 E( K! n11.1.1 Change the structure of the model ....................................................................... 72 * x! f' F! W$ A' X @
11.1.2 Modifications in the synchronous generator......................................................... 73 # k' W- t6 h' T' r3 U! Y- f0 i1 N+ R
11.1.3 Modifications in the transformer ........................................................................... 74
) k' ^3 \* h" j* X9 V6 i9 R11.1.4 Modifications in the grid........................................................................................ 74
8 h/ k( B% j8 V3 s" x11.2 PWM Regulation drives...............................................................................................75 9 j8 o9 b. ^8 A
11.2.1 Principles .............................................................................................................. 75 c9 A( {# o; e3 t
11.2.2 Generation of the triangular waveform................................................................. 75 " C( U! o* q2 V5 V# h: P1 P
11.2.3 Generation of the reference.................................................................................. 79
/ d: p2 y2 k$ Y11.2.4 Generation of the firing pulses for the GTO inverter ............................................ 83
! ]& f% Z# U4 p0 B" X11.3 Simulation 85+ U3 @$ W0 j! A( T: ?
PART D: APPENDIX 87
, P7 U1 g1 [* P! p/ T12. References.................................................................................................................89 |
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