Back to top

Senvion MM82

Design
Onshore/Offshore Onshore
Wind class IEC IA / IEC S (based on IA)
Rated power 2,050 kW
Cut-in wind speed 3.50 m/s
Nominal wind speed 14.50 m/s
Cut-out wind speed 25.00 m/s
Re cut-in wind speed 22.00 m/s
Gearbox type Three-stage planetary/spur gearbox
Rotor
Rotational speed 8.5 to 17.1 1/min (+12.5 %)
Number of blades 3
Rotor diameter 82.00 m
Swept area 5,281 m2
Blade length 40.00 m
Blade material Glass fibre-reinforced plastic (GRP)
Max. chord width 3.30 m
Tower
Hub height 58.50 / 59.0 / 68.0 / 69.0 / 78.0 / 80.0 m
Gear system
Gearbox ratio i = approx. 106 (50 Hz)/84 (60 Hz)
Type of suspension Three-point contact suspension
Electrical
Generator type Double-fed induction generator
Nominal voltage 690 V (50 Hz)/575 V (60 Hz)
Nominal frequency 50 Hz/60 Hz
Generator - Protection class IP 54
Speed range
  • 970 to 1,800 1/min (50 Hz)
  • 720 to 1,440 1/min (60 Hz)
Transformer
  • Cast resin transformer (ITS) (50 Hz)
  • Oil transformer (ETS) (50 Hz/60 Hz)
Control & Safety
Control Electrical pitch system
Operation
Temperature range
  • Standard: -20 to +35 °C
  • Optional: to +40 °C
  • CCV: -30 to +35 °C
Noise emission level 104.0 dB (A)
Sound management I Reducing the maximum sound power level in several stages
Sound management II Reducing the maximum sound power level in the partial load range
Dimensions & Weight
Power

Power coefficient

References

[1]

Senvion GmbH. Senvion - Portfolio Overview. URL: https://elsa.senvion.com/api/1.1/en/downloadable_brochures/get/11/download/. [Date Accessed: 11/07/2017].