|
|
论文文献
| 标题: |
WIND TURBINE APPLICATIONS TECHNICAL PAPER |
| 作者: |
|
| 所属专业方向: |
风电 |
| 摘要: |
WIND TURBINE APPLICATIONS TECHNICAL PAPER |
| 关键字: |
|
| 来源: |
|
|
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
×
Wind_turbine_PSCADV42.rar
(1.17 MB, 下载次数: 100)
: |6 Q9 n* ?- c0 x
PART A: INTRODUCTION 1 ' I' y1 @$ R; M3 F9 R2 z9 b/ K
1. Introduction..................................................................................................................3
5 K. \/ x) O# L- N* H+ g# V1 e2. pscad components....................................................................................................5 ' W; |% U0 b7 g2 _+ a. r2 k
3. Modelled structure .......................................................................................................7 ( f E, P+ B0 S
4. Simulations performed.................................................................................................9 ) h8 @& |7 B4 C: D
PART B: BUILD THE MODEL 11 ( L7 w3 D7 V: d, c
5. From the wind to the Synchronous Generator ...........................................................13 # u4 f' i3 N. R) R7 {' _( L
5.1 The Wind Source.........................................................................................................14
- y5 q( X2 H3 t/ O7 e0 T2 R, [$ P5.2 The wind turbine component .......................................................................................15 + H* T4 `& t7 r5 j' s# ]
5.2.1 Theoretical study ...................................................................................................15 $ Y: D( ^! y @" j4 |
5.2.2 Cp curve with PSCAD standard model .................................................................16
! D. D7 h4 j" _/ Z8 g1 M5 {5.2.3 Computation of parameters...................................................................................17 ! S! f- k) z( W5 n0 X+ v
5.2.4 Define the Wind turbine parameters .....................................................................18 9 n5 c4 ~6 \& M0 x
5.3 Wind turbine governor component ..............................................................................19 4 C; T; t% z, e/ m/ g
5.3.1 Theoretical study ...................................................................................................19
7 X9 o* _9 ~* ~& V9 s# O5.3.2 Define the Wind governor parameters ..................................................................20
$ }' V. P) P/ \$ M+ Y1 n9 L& M5.4 The synchronous generator.........................................................................................21
9 T. B$ u4 v$ Z' |( C0 ?4 W5.5 Turbine generator connection: Simulation at rated load..............................................24
u8 Q6 Q) H4 USimulation parameters & analysis : ......................................................................................24 7 n+ u3 b7 e" Q/ c/ l& Y# z
6. AC/DC/AC : Power and Frequency conversion .........................................................27 ( L; b. q7 o3 I% l
6.1 Diode Rectifier .............................................................................................................28
/ V4 n! O3 G' T- g# ]# J, |, O1 m6.2 Overvoltage protection ................................................................................................30
8 e3 I- v4 W8 N' N& ^6.3 DC bus.........................................................................................................................31
* Z! }) N" u1 b3 h# H4 b) f% K6.3.1 Build the DC bus....................................................................................................31 [7 D7 M) R% o5 B" a
6.3.2 Model validation.....................................................................................................32
& ?9 X$ `9 ~: a6 f, n9 f @# |" k6.4 6-Pulse Thyristor inverter ............................................................................................34 ; Y/ H# L n6 \# r# A3 k
6.4.1 Presentation.......................................................................................................... 34 0 ?- `; L3 Y, H+ |7 \
6.4.2 Voltage collapse limitation .................................................................................... 36 9 O/ U% k7 n/ G7 h
6.4.3 Voltage regulation................................................................................................. 37 - F5 p& d) l _( \6 w* v
6.5 Connection to the network ..........................................................................................40
. t% c$ H) s3 c* Q$ j: z% h7. The distribution grid ...................................................................................................43
+ N- J3 [& \; A; a+ ~; `: p! }7.1.1 Definition of the grid.............................................................................................. 43 8 u$ s; A/ \* o4 f
7.1.2 Load Flow Simulation ........................................................................................... 47
9 q' m( H1 }2 @6 o7 UPART C: SIMULATE 49 ' J5 k4 B D/ X3 D% L" V
8. Constant Wind Study .................................................................................................51
`! L) U& t: L8.1 Structure the complete model .....................................................................................51 + L( x$ R* a/ Y7 F q$ ?* S
8.2 Constant wind study....................................................................................................53 " N5 m6 u! S. j/ j; u& p0 e
9. Fault Analysis.............................................................................................................55 " d0 p' [; S! S, q9 ?0 l
9.1 Default at Node 3 ........................................................................................................56
& Y+ _: Y2 B* E5 U9 H9.1.1 Without DG........................................................................................................... 56 # E: a N) I0 S
9.1.2 With DG connected at node 1 .............................................................................. 57 0 d2 g P: R- F
9.2 Default at Node 2 ........................................................................................................59
) S1 X& }4 |9 m' M* ?2 {& x0 A9.2.1 Without DG........................................................................................................... 59
9 \: a% L% ~" C" N% g4 u9.2.2 With DG connected at node 3 .............................................................................. 59 ; m0 i$ J# w4 ?9 A5 T' ]+ s
9.3 Conclusion ..................................................................................................................61 $ T; L) R/ e8 ]7 N4 P
10. Variable wind study....................................................................................................63
5 \2 Q/ s4 G, h+ e0 Y7 s10.1 Dynamic pitch control ..................................................................................................63
3 x% t( P) l1 j. m10.2 Passive pitch control simulation ..................................................................................67 / O" H! n& {0 p6 L/ b1 E# _. o3 L
10.3 Comparison of passive and dynamic pitch control ......................................................69
, I- W8 s4 i# l11. Wind farm...................................................................................................................71 3 d [: y8 D) i8 F5 T
11.1 From a single wind turbine to a wind farm ..................................................................72 & X L! y0 v3 I
11.1.1 Change the structure of the model ....................................................................... 72
% Q3 F9 Y1 Y2 C- X11.1.2 Modifications in the synchronous generator......................................................... 73 0 {! @/ o0 P# w9 l) Z9 M: i! K- D
11.1.3 Modifications in the transformer ........................................................................... 74 2 L- c) w6 S, R( T, K1 R
11.1.4 Modifications in the grid........................................................................................ 74
. t: N2 C+ w6 G( o/ g11.2 PWM Regulation drives...............................................................................................75 ' z/ }# J; C3 L7 _: G
11.2.1 Principles .............................................................................................................. 75 7 ]& k8 j6 C) H8 S; d* ?$ N7 ~
11.2.2 Generation of the triangular waveform................................................................. 75
6 S5 \! h* R8 ~/ |2 L. C) V+ [! L11.2.3 Generation of the reference.................................................................................. 79
( d& E$ t8 L7 }5 p: o11.2.4 Generation of the firing pulses for the GTO inverter ............................................ 83 3 n. V& x! O* i1 r8 I F1 u7 Y( o
11.3 Simulation 85
5 e+ Y( {7 Z* wPART D: APPENDIX 87 6 M( s6 g! I6 N8 D" h
12. References.................................................................................................................89 |
|