System description 17
Below is a power versus speed curve example of a doubly-fed induction generator that
has a synchronous speed of 1000 rpm and nominal speed of 1150 rpm.
R2
ABRU
R2
ACBU
MCB1
MCB3
LCL
ISU
MCB2
INU
MCB
P
stator
P
grid
=
P
stator
+
P
ISU
P
ISU
P
INU
Wind turbine controller
P
=
T ·
I
T
v
wind
3
P
P
ref
, Q
ref
, V
ref
P
act
=
U
I
cos
3
Q
act
=
U
I
3
1 - cos
2
U
denotes phase-to-phase voltage,
I
phase current
T
ref
,
P
ref
,
Q
ref
,
V
ref
P
grid
CONVERTER CTRL
Optional
-2750
-2500
-2250
-2000
-1750
-1500
-1250
-1000
-750
-500
-250
0
250
550
600
650
700
750
800
850
900
950
1000
1050
1
100
1
150
1200
1250
1300
1350
1400
1450
1500
A
ctive power (k
W)
Rotor speed (rpm)
P
grid
P
stat
P
INU
P
ISU
P
shaft
Содержание ACS800-67
Страница 1: ...ABB wind turbine converters System description and start up guide ACS800 67 wind turbine converters ...
Страница 4: ......
Страница 76: ...76 Start up with medium voltage stator ...
Страница 99: ...Practical examples 99 1 4 4 3 2 5 6 7 ...
Страница 106: ...106 Practical examples Counterclockwise rotation at drive end D end Power cabinet Encoder ...
Страница 118: ...118 Tracing the source of warnings limits and faults ...
Страница 120: ...Contact us www abb com windconverters 3AUA0000095094 Rev B EN 2017 12 31 ...