|
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)
3 x( B1 o; a5 i- j; \. r- M2 s k# dPART A: INTRODUCTION 1 & u- V5 J& @2 ]; F. z( x/ N
1. Introduction..................................................................................................................3
9 }5 _" g+ { }5 n! X7 F, @9 u2. pscad components....................................................................................................5
3 R7 u2 k* z: e9 p" c3. Modelled structure .......................................................................................................7 : M; `2 e' `: A8 x$ v
4. Simulations performed.................................................................................................9 . ]5 [. e# `: ? `+ z( y
PART B: BUILD THE MODEL 11 6 |; @7 u% n( b x# ?( ]+ H
5. From the wind to the Synchronous Generator ...........................................................13 & ^' j, K8 O, [2 Z# ]
5.1 The Wind Source.........................................................................................................14 / Z+ e) U7 ?+ T
5.2 The wind turbine component .......................................................................................15
5 \6 M" u" E" S1 A- D% k5.2.1 Theoretical study ...................................................................................................15 ( n0 J* s: I% {5 j2 \9 w$ e# \
5.2.2 Cp curve with PSCAD standard model .................................................................16 ) f7 D6 C! d' D$ x; e
5.2.3 Computation of parameters...................................................................................17
3 H) [ D( ?9 K+ t5.2.4 Define the Wind turbine parameters .....................................................................18
( o' K J0 a3 A3 a$ S5.3 Wind turbine governor component ..............................................................................19
% F4 E# Z% [, I6 K5 R+ O6 k5.3.1 Theoretical study ...................................................................................................19
& {2 }4 s" l X1 D1 ?5.3.2 Define the Wind governor parameters ..................................................................20
7 n# d. ^* _. H W5.4 The synchronous generator.........................................................................................21 3 o. t) ^3 U# ], ]" C4 ]: B
5.5 Turbine generator connection: Simulation at rated load..............................................24 % L% j5 y) k& U6 ]0 j
Simulation parameters & analysis : ......................................................................................24 ; u8 s( j7 E' Y
6. AC/DC/AC : Power and Frequency conversion .........................................................27
# ^6 ?: S) F& s, F6.1 Diode Rectifier .............................................................................................................28 3 H0 e. Q4 L2 Y7 @* M9 {3 ~
6.2 Overvoltage protection ................................................................................................30
3 o: i; E2 H( k, L9 z/ N6.3 DC bus.........................................................................................................................31 2 u% k' O0 z% p; \$ ~% w
6.3.1 Build the DC bus....................................................................................................31 5 a. R1 Z5 C) ^ ]2 P: V
6.3.2 Model validation.....................................................................................................32 7 o5 t4 z# ` _$ r9 q
6.4 6-Pulse Thyristor inverter ............................................................................................34 # A/ ]5 ?* U+ ]5 u6 Q+ a* y
6.4.1 Presentation.......................................................................................................... 34 , k7 e5 ]3 F8 W( w/ G( L t
6.4.2 Voltage collapse limitation .................................................................................... 36 6 |4 r9 `/ v5 P1 |, a
6.4.3 Voltage regulation................................................................................................. 37 1 q/ u, Q" U" z. M4 t: Y: D3 R7 A
6.5 Connection to the network ..........................................................................................40 . H" z# ^" Z" _+ [
7. The distribution grid ...................................................................................................43
9 ` [; |' Y# t& O1 T$ _7.1.1 Definition of the grid.............................................................................................. 43 5 q6 Y& F6 B0 L
7.1.2 Load Flow Simulation ........................................................................................... 47 8 u" M5 a4 V) B* T0 h! v3 ^
PART C: SIMULATE 49 C0 i6 |4 L6 z
8. Constant Wind Study .................................................................................................51 7 W, l1 S/ Y- {; t& X
8.1 Structure the complete model .....................................................................................51
8 s2 S7 i2 K! Z: Z& K! e. X8.2 Constant wind study....................................................................................................53 ' p7 J8 ]1 Z7 z% O0 k6 R& f8 m
9. Fault Analysis.............................................................................................................55 2 Z F9 f1 r4 e2 z
9.1 Default at Node 3 ........................................................................................................56
8 H, `( g" S% Q/ V9.1.1 Without DG........................................................................................................... 56
" x2 O* M6 g5 k& l+ l" m9.1.2 With DG connected at node 1 .............................................................................. 57
D+ r# ?6 V/ K3 |$ P8 U7 M6 v9.2 Default at Node 2 ........................................................................................................59
8 t/ {! }# ^' f6 N4 M9.2.1 Without DG........................................................................................................... 59
& a& q9 D( {1 z! W0 b9.2.2 With DG connected at node 3 .............................................................................. 59 8 W! m# u: H: M H, I# M [
9.3 Conclusion ..................................................................................................................61 # F$ n& k( c, e2 b0 w6 x/ R3 S
10. Variable wind study....................................................................................................63 ; I5 ?: k: W5 \$ n
10.1 Dynamic pitch control ..................................................................................................63 ! ]3 e2 z! H* |! D9 r
10.2 Passive pitch control simulation ..................................................................................67 1 ?1 D5 _1 V: R v* m5 k
10.3 Comparison of passive and dynamic pitch control ......................................................69
( O; ^8 M4 u5 j& b& }4 Z11. Wind farm...................................................................................................................71 4 B" g) M1 W8 k z# e
11.1 From a single wind turbine to a wind farm ..................................................................72 : `- r G2 d. B& c2 _+ j7 e
11.1.1 Change the structure of the model ....................................................................... 72
' C2 X( q' T7 y, b# y11.1.2 Modifications in the synchronous generator......................................................... 73 8 X" `! V9 c% N$ q
11.1.3 Modifications in the transformer ........................................................................... 74
- d/ F9 r" M' z. j7 C6 f11.1.4 Modifications in the grid........................................................................................ 74
" \! `* @0 L: m2 m5 I11.2 PWM Regulation drives...............................................................................................75 1 b* B3 d' J- J
11.2.1 Principles .............................................................................................................. 75 ; p( [2 Q& v9 _3 J' @4 q) D: O
11.2.2 Generation of the triangular waveform................................................................. 75
& J! T! S% O9 L" P. a11.2.3 Generation of the reference.................................................................................. 79 % D. j' E& B7 R, }
11.2.4 Generation of the firing pulses for the GTO inverter ............................................ 83 " T3 Z/ _4 S9 v9 u
11.3 Simulation 85
+ L! S' d* ~9 UPART D: APPENDIX 87
# U% h6 Z) K, X6 `2 t' [$ ]12. References.................................................................................................................89 |
|