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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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, l% V w# i9 R8 D5 ~2 S& u" zPART A: INTRODUCTION 1
. K7 i& w6 f: b0 H& R' {1. Introduction..................................................................................................................3 3 t* g7 S1 Q6 V6 T" ^" ~5 y
2. PSCAD components....................................................................................................5 ) h2 i/ @! ?' g$ m7 l0 b8 G2 ]2 f
3. Modelled structure .......................................................................................................7 0 m# ?5 j) g1 W) C- T) k
4. Simulations performed.................................................................................................9 4 A% ^* A3 ]- d3 i% n% a
PART B: BUILD THE MODEL 11 * X8 d: K3 S& E. j4 m
5. From the wind to the Synchronous Generator ...........................................................13
/ R- I4 }1 O: M7 D$ V: I5.1 The Wind Source.........................................................................................................14 # x7 x7 `' z3 B: o5 ~
5.2 The wind turbine component .......................................................................................15 ; d" c- L9 H$ M7 l) k" l( p" c
5.2.1 Theoretical study ...................................................................................................15 & `: B3 z& ?. j
5.2.2 Cp curve with PSCAD standard model .................................................................16 ! n1 y8 M. U; C; q* v; ?2 I! e
5.2.3 Computation of parameters...................................................................................17 ( F) N8 u* @$ j6 x
5.2.4 Define the Wind turbine parameters .....................................................................18 9 D T! F- W, b0 F2 @* _
5.3 Wind turbine governor component ..............................................................................19 # I e: o3 F5 L3 ?2 v
5.3.1 Theoretical study ...................................................................................................19 - X4 p1 s, S. e5 B1 o3 d
5.3.2 Define the Wind governor parameters ..................................................................20 ) o, s0 w; m. w
5.4 The synchronous generator.........................................................................................21 ' ]( R: `& C6 ^; |5 H3 c8 N8 o' {
5.5 Turbine generator connection: Simulation at rated load..............................................24
% Q* M: @ G% ^+ G HSimulation parameters & analysis : ......................................................................................24
: I- x6 l% H8 w1 K8 ?! p! x6. AC/DC/AC : Power and Frequency conversion .........................................................27 5 G' g! M( Q3 T# Y
6.1 Diode Rectifier .............................................................................................................28 / W4 o1 ~/ U3 r( b/ G
6.2 Overvoltage protection ................................................................................................30
9 Z- R* g2 B; U6.3 DC bus.........................................................................................................................31 " t* A( [7 p5 L& l* K
6.3.1 Build the DC bus....................................................................................................31
# ~' l. {' J& Q3 [6.3.2 Model validation.....................................................................................................32
8 y6 [. u3 S% j. \7 e- C6.4 6-Pulse Thyristor inverter ............................................................................................34
- ?' K- x/ _ G0 o+ p2 U6.4.1 Presentation.......................................................................................................... 34 % c4 m( X/ J- c* Q4 L5 i
6.4.2 Voltage collapse limitation .................................................................................... 36
+ U- ? T; w1 }& E6.4.3 Voltage regulation................................................................................................. 37
% C( J! W4 R+ P+ Y, S6.5 Connection to the network ..........................................................................................40 8 Y- ~/ ?( R1 P9 O+ T! y
7. The distribution grid ...................................................................................................43
. n N( Y$ \+ S6 {: o8 X$ h4 J" W! ^7.1.1 Definition of the grid.............................................................................................. 43 ! ?. u- H$ |/ a7 c
7.1.2 Load Flow Simulation ........................................................................................... 47 1 v7 v, w/ E2 _5 |4 n
PART C: SIMULATE 49
+ G5 a" W1 V& N3 k) |+ m" i2 F+ o8. Constant Wind Study .................................................................................................51 ' f0 A; _" v3 J0 g
8.1 Structure the complete model .....................................................................................51 1 s% `+ R9 c+ Y( A/ R
8.2 Constant wind study....................................................................................................53
+ `: r R; k# j! R7 `4 D9. Fault Analysis.............................................................................................................55 & Z6 E% T { @. R; t$ \, e
9.1 Default at Node 3 ........................................................................................................56 " v* y2 k0 t& f6 w# y
9.1.1 Without DG........................................................................................................... 56
$ O+ d( N) t# e J2 c0 I* B9.1.2 With DG connected at node 1 .............................................................................. 57
# x, l5 d8 A! Z9.2 Default at Node 2 ........................................................................................................59 . l, n6 C/ X7 j: Z
9.2.1 Without DG........................................................................................................... 59
/ }2 F5 C$ _5 c2 N! y7 p2 R9.2.2 With DG connected at node 3 .............................................................................. 59
# g9 p* v5 r2 J$ V+ j8 O! @& J9.3 Conclusion ..................................................................................................................61 + \0 F9 ] e; q+ B
10. Variable wind study....................................................................................................63 ( L4 D( z( {# @5 c: U2 {
10.1 Dynamic pitch control ..................................................................................................63 : ^7 p6 ?! g4 V- l) ]; M; U; Y
10.2 Passive pitch control simulation ..................................................................................67
: h7 G" i/ d' }) w6 s10.3 Comparison of passive and dynamic pitch control ......................................................69 7 M& L$ {# |4 n( b7 g6 F& p0 {
11. Wind farm...................................................................................................................71 4 d. D: w6 b5 u3 ^* Y7 [
11.1 From a single wind turbine to a wind farm ..................................................................72 # Q0 b6 c# G" x+ r6 h, h0 u
11.1.1 Change the structure of the model ....................................................................... 72 ( B' C0 c" D, Z+ F3 E2 `
11.1.2 Modifications in the synchronous generator......................................................... 73 - G) q' w, W5 u( z% l
11.1.3 Modifications in the transformer ........................................................................... 74
" C% f% [: S8 q4 r11.1.4 Modifications in the grid........................................................................................ 74
+ V1 g% d& p* K11.2 PWM Regulation drives...............................................................................................75 0 s) j1 {$ a" ?# q$ v- `
11.2.1 Principles .............................................................................................................. 75 + K" m5 l r9 E0 y
11.2.2 Generation of the triangular waveform................................................................. 75
% z X' H/ n2 a* T) O8 }- ~8 V11.2.3 Generation of the reference.................................................................................. 79 * v# P* x2 W) O+ a2 p/ H1 Z; E
11.2.4 Generation of the firing pulses for the GTO inverter ............................................ 83
2 U# G0 i7 E4 [- W7 `3 u3 k11.3 Simulation 852 b- s9 Q4 A9 X
PART D: APPENDIX 87
' ^' }" q5 T1 ]! s& F6 G0 {12. References.................................................................................................................89 |
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