Grid Integration of 950kW Wind Turbine
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Transcript of Grid Integration of 950kW Wind Turbine
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..........................................................................................2
1......................................................................................................6
2......................................................................................................6
3......................................................................................................9
4......................................................................................................12
5......................................................................................................14
6......................................................................................................16
7......................................................................................................17
8......................................................................................................20
9......................................................................................................21
10....................................................................................................23
11....................................................................................................25
12....................................................................................................32
13....................................................................................................34
14....................................................................................................37
DATASHEETS..................................................................................................45
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. block..
/ :
2 31
2wg pP C r d v
d = , v = , r = , pC = / ( Cp= /mP Pa Pm Pa ) Cp. Cp .
/ . Cp, . / . . / :
)
)
) .
/ :
N gdc dP V I
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Vgdc Id , Vgdc ( ) , :
GLLgdc VV 23
Id gdc ndc
d
V VI
r
Id Vndc, Vgdc r .
Vndc thyristors . Id .
.
1. : .
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2. : ( Pn Vn ), ( ) .
LLG NV V DC :
3 2 3 2690 931.827
gdc LLGV V V
Id :3950 10
1019.502931.827
NN gdc d d
gdc
PP V I I A
V
DC :
809.487Vgdc d ndc ndc gdc dV I r V V V I r : : 690b NV V V
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: 1117.647cos
Nb N
PS S KVA
:
2 2
( ) 3
6900.42598
1117.647 10b
b G
b
VZ
S
sX =0,61 pu :
( )0.61 0.25985 S b GZ 0,82713 mH2S
SL f
: '
LLGE V
' '3 1 31.35 ( ) 877.633 V1.35gdc LLG S d LLG gdc S d
V V I E V V I
:
: 690bV V : 1250 VAb trS S
:
2 2
( ) 3
6900.3809
1250 10b
b trb
VZ
S
:
( ) ( )k Tu pu x pu( ) 6%ku pu
( ) 0,02285 tr k b trX u Z
0,07273 mH2
trtrL
f
3 Choke: 5.5% 0.055chX
( )0.055 0.02095 ch b trX Z
0.066686 mH2
chch
XL
f
. : chL trL :
0,139416 mHtot tr chL L L
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( )
E Ls Xs Vgdc Id
877.633V 0.82713mH 0.25985 931.827V 1019.502A
Vndc Xtr Ltr Lch Xch809.487V 0.02285 0.07273mH 0.06669mH 0.02095
1H thyristors ( dc ).
thyristor ( Vd=Vndc) :
3 33 2 3 2cos cos
3 1cos ( ) * 0.82295
3 2 3 2
tot totd LL d LL d d
totd d
LL
L LV V a I V a I V
La I V
V
= 145.381 Psim ( , ), 30 . 1 2 gating block 175 176 .
2 L1 .
:
2cos 1 0,57311
2d
ds IuE
55.033du
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:2
cos( ) cos 0,91447 156.132
tot dth th
N
L Ia u a a u
V
10.74957thu
L1 (t=0) 3 1 , D5 D1. :
2
2 sin
ucommon an cn La Lc s
common LL
diV V V V V L
dt
V V t
2
sin ( )2
u
s
Edi td t
L
) : (2) (2+u) u=55.033 5 3 1
1 => au ii 2
2
2sin ( )
2
k t
u
ks
Ei td t
X
2388.217 (1 cos )a ui i t
) : (2+u) (2+120) u=55.033 1 1 ( ).
1019.502a di I A
) (2+120) (2+120+u) u=55.033 1 1 3 2.
a d ui I i , 2388.217 (1 cos( 120 ))ui t
1019.502 2388.217 (1 cos( 120 ))ai t A
) (2+120+u) (2+180) u=55.033 1 , :
0ai A
) (2+180) (2+180+u) u=55.033 2 3 4 1. : a ui i . :
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2388.217 (cos( 180) 1)ai t A
) (2+180+u) (2+180+120) u=55.033 4 1. :
1019.502a di I A
) (2+180+120) (2+180+120+u) u= 55.033 4 1 6 2. ( )a d u d ui I i I i . :
1019.502 2388.217 (1 cos( 300))ai t A
) (2+180+120+u) (2+360) u=55.033 1.
Aia 0
L1 / :2388.217 (1 cos )
1019.502
1019.502 2338.217 [1 cos( 120)]
0
2388.217[cos( 180) 1]
1019.502
2388.217 [1 cos( 300)] 1019.502
0
a
t A
A
t A
Ai
t A
A
t A
A
2 2 55.033
2 55.033 2 120
2 120 2 175,033
2 175.033 2 180
2 180 2 235,033
2 235.033 2 300
2 300 2 355,033
2 355,033 2( 1)
k t k
k t k
k t k
k t k
k t k
k t k
k t k
k t k
L1 (t=0) 3 1 . . Psim , Choke u=10.74957. :
) : (2) (2+u) u=10.74957 (0 , 0) ( u , Id) (10.74957 , 1019.502).
(1019,502 /10, 74957) 94,841ai t tA
) ( 2+ u , 2+120) u=10.74957
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1019,502a di I A
) ( 2+120, 2+120+ u) u=10.74957 (120 , d) (120 + u , 0) (120 , 1019.502) (130.74957,0).
94.841 t 12400.42ai A
) ( 2+120 + u , 2+180) u=10.74957
0ai A 2 .
L1 :94.841 t
1019.502
94.841 12400.42
0
94.841 17071.38
1019.502
94.841 29471.8
0
a
A
A
t A
Ai
t A
A
t A
A
2 2 10.74957
2 10.74957 2 120
2 120 2 130.74957
2 130.74957 2 180
2 180 2 190.74957
2 190.74957 2 300
2 300 2 310.74957
2 310.74957 2( 1)
k t k
k t k
k t k
k t k
k t k
k t k
k t k
k t k
3 Excel (2). Psim.
PSIM & EXCEL PSIM ( DC DC Id ). EXCEL L1 ( L2,L3 L1 120)
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/
-1500
-1000
-500
0
500
1000
1500
0 60 120 180 240 300 360
/
()
()
L1 L2 L3
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-1500
-1000
-500
0
500
1000
1500
0 60 120 180 240 300 360
()
()
L1L2L3
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4 . ( ) Psim.
( ) :
2 21019.502 832.42
3 3Is Id A
Psim :
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( ) : :
2 21019.502 832.42
3 3Is Id A
Psim ( ) :
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: , . . . ( uth = 12.515deg) , ( ud= 55.033deg) .
5 ( ) dc . .
dc .
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dc & .
dc .
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dc & .
6 D1 Thyristor 1
D1
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T1 (th1)
7 ( ) thyristor .
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8 Thyristor . Psim .
1D :
0
1 T
D DI I dtT =
23
0
1( )DI d t
= 1 2
2 3d
= 3d =339.834
1D :
23
2
0
1Drms dI I dtT
=2
32
0
1( )dI d tT
=21 2
2 3dI
= 3
dI =588.61
1T :
0
1 T
T dI I dtT =
23
0
1( )dI d tT
=1 2
2 3d
= 3d =339.834
1T :
23
2
0
1Trms dI I dtT
=2
32
0
1( )dI d tT
=21 2
2 3dI
= 3
dI =588.61
Psim :
2