System description 15
Wind turbine system with low voltage stator (690 V)
Wind turbine system with medium voltage stator (> 1000 V)
No. Description No. Description
1 Rotor hub 10 Low voltage switchgears
2 Blades 11 Medium voltage switchgear
3 Rotor bearing 12 Turbine transformer
4 Gearbox 13 High voltage switchgear
5 Brake system 14 MCB EMERGENCY OPEN CTRL
6 Doubly-fed induction generator 15 MCB CTRL
7 Pitch drive 16 MCB1 ON/OFF CTRL
8 Wind turbine converter 17 MCB3 ON/OFF CTRL
9 Power cabinet
R2
ABRU
R2
ACBU
MCB1MCB3
LCLISU
MCB2
INU
MCB
WIND TURBINE CTRL
CONVERTER CTRL
1) Optional in ACS800-67
1
2
3
4
5
6
7
8
9
1)
10
12
11
14
15
16
17
R2
ABRU
R2
ACBU
MCB3
LCL
ISU
MCB2
INU
MCB
CONVERTER CTRL
WIND TURBINE CTRL
1
2
3
4
5
6
7
8
9
11
12
13
14
15
17