Drive train with generator
WEC concept Gearless; variable speed; full-scale converter
Hub Rigid
Storage Double-row tapered/cylindrical roller bearing
Generator Direct-drive ENERCON annular generator
Grid feed ENERCON inverters with high-frequency IGBT switching and
sinusoidal current
IP Code/insulation class IP 23/F
Brake system
Aerodynamic brake Three independent pitch systems with emergency power sup‐
ply
Rotor brake Electromechanical
Rotor lock Latching every 15°
Yaw control
Type Electrical with yaw motors
Control system Active via yaw gears
Control system
Type Microprocessor
Grid feed ENERCON inverter
Remote monitoring system ENERCON SCADA
Uninterruptible power supply
(UPS)
Integrated
Tower variants
Hub height Total height Design Wind class
58.91 m
(only 2350 kW)
99.91 m
(only 2350 kW)
Steel tower with foun‐
dation basket
IEC IIA
IEC S
1
68.91 m 109.91 m Steel tower with foun‐
dation basket
IEC IIA
IEC S
1
78.33 m 119.33 m Steel tower with foun‐
dation basket
IEC IA
IEC S
2
83.99 m 124.99 m Precast concrete tower
with steel section (ex‐
ternal prestressing)
IEC IA
IEC S
2
1
Applies to Cold Climate: v
ave
= 8.5 m/s (at HH) and v
ext
= 59.5 m/s
2
Applies to Cold Climate: v
ave
= 10 m/s (at HH) and v
ext
= 70 m/s
Technical specifications E-82 E4
D0376616-2 / DA 21 of 21
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