TA的每日心情 | 奋斗 2020-3-3 14:59 |
---|
签到天数: 9 天 连续签到: 1 天 [LV.3]偶尔看看II 累计签到:10 天 连续签到:1 天
|
马上加入,结交更多好友,共享更多资料,让你轻松玩转电力研学社区!
您需要 登录 才可以下载或查看,没有账号?立即加入
×
PART A: INTRODUCTION 1; u! f& G6 h' I- C3 L6 t
1. Introduction..................................................................................................................3
9 F" n6 a* | _* f8 v* m; R( T2. pscad components....................................................................................................5
% P' z- @8 N' F/ J5 y2 s6 K+ M3. Modelled structure.......................................................................................................70 h# S+ s, x6 j% j; y5 P" L
4. Simulations performed.................................................................................................9
r! Q. e# [% ]PART B: BUILD THE MODEL 11& I9 l2 \; C4 m+ j8 [
5. From the wind to the Synchronous Generator...........................................................137 v+ w! L3 X& X1 ~$ T9 B6 m
5.1 The Wind Source.........................................................................................................14
' O( N( W3 R' ]0 C* I5.2 The wind turbine component.......................................................................................15- z" `9 A% L& w- ]9 R) M U
5.2.1 Theoretical study...................................................................................................15
- G: n3 ]9 F+ V, } b, U6 Q5.2.2 Cp curve with PSCAD standard model.................................................................162 c( g, C2 l5 X6 N2 s7 ]/ J
5.2.3 Computation of parameters...................................................................................17
; A1 p5 X( h" a7 q! d+ |5.2.4 Define the Wind turbine parameters.....................................................................18
: o- |) @6 `) r. o1 |" Q5.3 Wind turbine governor component..............................................................................19* K" b' S) t. i7 j. I
5.3.1 Theoretical study...................................................................................................19
2 c! t6 i- J" |) M6 q5.3.2 Define the Wind governor parameters..................................................................20
+ a# Y5 a& P+ c9 {/ j/ {5.4 The synchronous generator.........................................................................................21
; N4 V! r2 H+ a: F% V: D5.5 Turbine generator connection: Simulation at rated load..............................................24
# k) t( ^. X* \. Q/ O% B" ^4 |Simulation parameters & analysis :......................................................................................24
3 f2 @# R7 t6 ]2 e6. AC/DC/AC : Power and Frequency conversion.........................................................27% K: `- J( Y0 z* z" U; F) E5 [+ h
6.1 Diode Rectifier.............................................................................................................28' K+ U' B2 F' [# c
6.2 Overvoltage protection................................................................................................30
0 r' k* R, Y4 z/ X5 D6.3 DC bus.........................................................................................................................313 u$ I( Q$ m, L9 u4 M9 T
6.3.1 Build the DC bus....................................................................................................31
- u5 |9 n8 B: C5 o# v6.3.2 Model validation.....................................................................................................32
& X9 ?1 ]" Y, Y5 x8 t. F( J6.4 6-Pulse Thyristor inverter............................................................................................34 WIND TURBINE APPLICATIONS PAGE A- L, E/ B3 r$ {
PSCAD®4.025 P+ o7 C6 C) E. o1 Z4 Z+ W
Introduction
; Z/ h# T2 @( Y8 [* Y* e; r6.4.1 Presentation..........................................................................................................34
5 G; J7 w. Y" d |6.4.2 Voltage collapse limitation....................................................................................36
) _5 \8 S ?2 s5 I7 |6.4.3 Voltage regulation.................................................................................................37' A$ j S% q3 t+ s5 h
6.5 Connection to the network..........................................................................................40
, V, U, k: J; _2 L n( ^, r0 t7. The distribution grid...................................................................................................43, J* y8 _# Z3 ?& A
7.1.1 Definition of the grid..............................................................................................43 b+ m! r2 E/ m/ X
7.1.2 Load Flow Simulation...........................................................................................47# ]* @: ?( F; U4 ?0 }9 t
PART C: SIMULATE 49% p! ?( Z* q% |; S
8. Constant Wind Study.................................................................................................51
$ y5 w q* W; s2 t P' P8.1 Structure the complete model.....................................................................................51+ e. X. |, ?* S; x
8.2 Constant wind study....................................................................................................53
9 h0 W5 n+ \: k+ |# E, o9. Fault Analysis.............................................................................................................552 @: k9 J9 M) @* _" [
9.1 Default at Node 3........................................................................................................56
& ~, _% t- A8 p9.1.1 Without DG...........................................................................................................56( \5 |2 e. Q. M: n4 U" g" _3 J% w6 n+ i
9.1.2 With DG connected at node 1..............................................................................57& x2 K8 k# B/ X5 A' }% Y+ y3 _" a- I# T [% {
9.2 Default at Node 2........................................................................................................59- e, a! i+ O- _2 u2 h
9.2.1 Without DG...........................................................................................................59
* Y6 H. M6 u0 z' M9 n) S, Z9.2.2 With DG connected at node 3..............................................................................59
) U" x/ t% ~( n# q! }" a8 L1 {9.3 Conclusion..................................................................................................................61
' }/ Z. y( h. S10. Variable wind study....................................................................................................63
& b! ?) M# j0 j5 J; G* V10.1 Dynamic pitch control..................................................................................................63
2 G$ ^' {6 d# c8 g& y: b) a0 [ _10.2 Passive pitch control simulation..................................................................................67
, L/ {' e5 _8 \2 j10.3 Comparison of passive and dynamic pitch control......................................................69
, A# r8 ?( r! k6 \4 v11. Wind farm...................................................................................................................71, n2 C S( h' u: f! o6 j" k
11.1 From a single wind turbine to a wind farm..................................................................720 C5 k g% B. d( C
11.1.1 Change the structure of the model.......................................................................72& O0 @, e& t$ s! D
11.1.2 Modifications in the synchronous generator.........................................................73: T2 M# E# |1 ]1 K3 K4 l8 m
11.1.3 Modifications in the transformer...........................................................................74
; F$ H% Z* O! p% u' e11.1.4 Modifications in the grid........................................................................................74- f7 _8 b3 `1 C- ^; K. X
11.2 PWM Regulation drives...............................................................................................75
# [, r4 I2 A1 U* g& D- r2 l11.2.1 Principles..............................................................................................................756 c8 ?% ^/ y: ~4 o
11.2.2 Generation of the triangular waveform.................................................................75
* O) a z, h, }1 l11.2.3 Generation of the reference..................................................................................79, {$ k, b o6 k, t
11.2.4 Generation of the firing pulses for the GTO inverter............................................835 ?: h- b& b+ J8 H2 ]8 Y3 A
11.3 Simulation 85
; d# w3 d; j' o) [6 dPART D: APPENDIX 87
% L, B8 j; A' v" a( _; l+ d5 a12. References.................................................................................................................89 |
|