Environmental Engineering Reference
In-Depth Information
Table 4-3. Configurations of Representative Large-Scale Commercial HAWTs
Manufacturer
Vestas
GE
Gamesa
Enercon
Suzlon
Siemens
Clipper
Nordic
DeWind
Model
V90-3.0
.5 sle
G87-2.0
E-26
S88-2.
SWT-3.6-07
C96
N000
D8.2
Rotor diam.
90 m
77 m
87 m
26 m
88 m
07 m
96 m
59 m
80 m
Rated power
3.0 MW
.5 MW
2.0 MW
7.0 MW
2. MW
3.6 MW
2.5 MW
.0 MW
2.0 MW
Rotor location
Upwind
Upwind
Upwind
Upwind
Upwind
Upwind
Upwind
Upwind
Upwind
No. of blades
3
3
3
3
3
3
3
2 - teetered
3
Blade material
Glass/carbon
Fiber glass
Glass/carbon
Fiber glass
Fiber glass
Fiber glass
Fiber glass
Glass/Carbon
Glass/Carbon
Power control
Full blade
pitch
Full blade
pitch
Full blade
pitch
Full blade
pitch
Full blade
pitch
Full blade
pitch
Full blade
pitch
Passive stall
(fixed pitch)
Full blade
pitch
Braking
Mechanical
disk
Hydraulic
parking
Mechanical
disk
Mechanical
disk
Hydraulic disk
Mechanical
Hydraulic disk
Hydraulic disk
Hydraulic disk
Overspeed
control
Full blade
pitch
Full blade
pitch
Full blade
pitch
Full blade
pitch
Full blade
pitch
Full blade
pitch
Full blade
pitch
Blade tip
pitching
Full blade
pitch
Gearbox
(no. of stages)
Planetary,
helical (3)
Planetary (3)
Planetary,
parallel (3)
None (0)
Planetary,
helical (3)
Planetary,
helical (3)
Planetary (2)
multiple
drives
Planetary,
helical (3)
Planetary,
variable
hydrodynamic
Generator
Asynchronous
Asynchronous
Asynchronous
Direct drive
synchronous
Asynchronous
Asynchronous
4 Permanent
magnet,
synchronous
Asynchronous
induction
Synchronous
Voltage
,000
690
690
N/A
690
690
690
690
N/A
Yaw system
Active
Active,
electric
Active,
hydraulic
Active
Active,
electric
Active,
electric
Active,
electric
Passive,
hydraulic
Active,
electric
Tower type
Tubular steel
Tubular steel
Tubular steel
Pre-cast
concrete
Tubular steel
Tubular steel
Tubular steel
Tubular steel
Tubular steel
N/A Not Available
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