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
4 E6 i2 f/ f/ Z; S. t7 t1. Introduction..................................................................................................................3/ X4 v/ [0 F4 r% G
2. pscad components....................................................................................................5
/ {+ q1 k4 s1 ]# x S [3. Modelled structure.......................................................................................................7
1 x. B2 a/ ]! G7 K4. Simulations performed.................................................................................................9
: f/ R- a. _0 I/ G# M1 ZPART B: BUILD THE MODEL 11: I+ F" ?7 X% F$ j, A8 ?
5. From the wind to the Synchronous Generator...........................................................13
! x$ u$ G% I( \) M5.1 The Wind Source.........................................................................................................14
0 N1 a7 J9 Q6 }" {5.2 The wind turbine component.......................................................................................152 l1 l0 b1 C0 i% [( w) I8 U
5.2.1 Theoretical study...................................................................................................15
* v) \2 k# r' T! R7 \9 A1 N5.2.2 Cp curve with PSCAD standard model.................................................................16 ~$ b/ W" {4 i2 o# p8 r9 k
5.2.3 Computation of parameters...................................................................................17# e n& u Z: X+ x9 h4 _
5.2.4 Define the Wind turbine parameters.....................................................................18# k9 H5 O$ ~' W& @" j
5.3 Wind turbine governor component..............................................................................19! \ R3 e7 }/ W; L. ^- ]& S9 ~
5.3.1 Theoretical study...................................................................................................19; @9 H# r/ T$ i" v
5.3.2 Define the Wind governor parameters..................................................................20" k/ K0 b" a% d0 ~/ |
5.4 The synchronous generator.........................................................................................21
8 [2 q' j, o) F5.5 Turbine generator connection: Simulation at rated load..............................................24
4 V1 Q( i v. M6 w) M2 [: [Simulation parameters & analysis :......................................................................................249 X G6 W" B% c& H
6. AC/DC/AC : Power and Frequency conversion.........................................................27
6 X' I2 L/ t4 O' |% _6.1 Diode Rectifier.............................................................................................................28
% D+ H4 G' ]2 ^" ?7 {6.2 Overvoltage protection................................................................................................30
7 b4 ~9 N8 N5 J2 P3 M+ z2 I6.3 DC bus.........................................................................................................................31
% f0 R. U1 P: X; _6.3.1 Build the DC bus....................................................................................................31
0 x9 H7 A/ I* I$ @1 K' i6.3.2 Model validation.....................................................................................................32
4 _& C# S* P2 O6.4 6-Pulse Thyristor inverter............................................................................................34 WIND TURBINE APPLICATIONS PAGE A1 Q5 X/ ]" N. l1 W7 L
PSCAD®4.02
: m; F5 |2 J3 o* C w2 Q) K3 SIntroduction) _4 ]+ B" F, V
6.4.1 Presentation..........................................................................................................34* y2 {2 e: H" K( X" s- F8 K
6.4.2 Voltage collapse limitation....................................................................................36
) O3 ^# a) T) N3 e6.4.3 Voltage regulation.................................................................................................37
5 u( {/ F4 B6 i; M* }. |6.5 Connection to the network..........................................................................................402 j+ V" x3 l* b3 D2 B
7. The distribution grid...................................................................................................43+ o$ L- _5 l S$ b9 u
7.1.1 Definition of the grid..............................................................................................43
$ K g# C" d- b" S' P6 C7.1.2 Load Flow Simulation...........................................................................................47! {) X6 x' E$ W o
PART C: SIMULATE 49% F" \2 N! g8 y7 b& ]- H
8. Constant Wind Study.................................................................................................51
. Z7 x, @1 P/ z7 P& | T8.1 Structure the complete model.....................................................................................51
3 v: a4 U1 @* i; }8.2 Constant wind study....................................................................................................532 l% j: ]/ }& _6 J: w- D
9. Fault Analysis.............................................................................................................55
. g- d8 A' ~1 S3 G4 U+ @+ G# t% R9.1 Default at Node 3........................................................................................................56
) q, J" Q! b2 ^3 M* @( B9.1.1 Without DG...........................................................................................................56
) g* \7 j; F# i9.1.2 With DG connected at node 1..............................................................................570 ~' _' q) `/ a" F
9.2 Default at Node 2........................................................................................................59" ?# ]6 j2 e" K0 q/ Q9 v
9.2.1 Without DG...........................................................................................................59
3 T8 i2 c8 M7 B. P+ F5 w9.2.2 With DG connected at node 3..............................................................................59 Y* G8 V& ?2 R) c' \# _
9.3 Conclusion..................................................................................................................61
$ T' |* N8 d* t, a" e/ A, [. z10. Variable wind study....................................................................................................63
" `+ ?$ l* l. G# S4 f% g) N10.1 Dynamic pitch control..................................................................................................63
/ z& C, j2 r, `' M10.2 Passive pitch control simulation..................................................................................67) Z6 Q4 O K0 Q6 N& f3 c
10.3 Comparison of passive and dynamic pitch control......................................................69
. c8 D+ T7 B4 W11. Wind farm...................................................................................................................71
- L& C: y1 k9 G$ z; R* m: g9 L/ V11.1 From a single wind turbine to a wind farm..................................................................722 f* n4 {/ r6 s. X4 q
11.1.1 Change the structure of the model.......................................................................72/ @5 m2 w( t4 Y1 s9 T7 u! Y4 m
11.1.2 Modifications in the synchronous generator.........................................................73* o& @+ t) P9 C7 F$ o) L/ w. p+ ~
11.1.3 Modifications in the transformer...........................................................................74
0 z' P4 F, T t6 [7 h/ C5 d) X4 }! C$ E1 K11.1.4 Modifications in the grid........................................................................................74
8 T$ F2 D% X( U4 u11.2 PWM Regulation drives...............................................................................................750 _' v6 M7 s6 y
11.2.1 Principles..............................................................................................................759 X# H# I" V! t2 W# H& E7 [) r a: U! D
11.2.2 Generation of the triangular waveform.................................................................75
+ f' r: y9 f2 a7 z2 I% g/ ]& o11.2.3 Generation of the reference..................................................................................79. s# Q, k* }3 | a& ~! k# [6 z: D
11.2.4 Generation of the firing pulses for the GTO inverter............................................83
% g3 o |4 {' U! \1 c( R5 o; X11.3 Simulation 85
8 }6 e, f6 {" T* M; k% ^7 @! wPART D: APPENDIX 87 R; [$ z$ o7 |, }. w8 E* K
12. References.................................................................................................................89 |
|