Supplier/manufacturer WES BV
Life expectancy >20 years
Maintenance Twice a year
Rated power 80 kW
Cut in wind speed <3 m/sec. (6.7mph)
Cut out wind speed 25 m/sec. (56mph)
Rated wind speed 13 m/sec. (29mph)
Survival wind speed 60 m/sec. (134mph)
Passive power regulation Pitching (blade-angle adjustment)
Active power regulation Fully variable back-to-back IGBT system
Noise emission at 8 m/s 45 dB(a) at 100m
Operating temperatures From -20°C up to +40°C
Degree of protection IP55
Standards NEN1010 (electrical) NEN-EN50308 (safety) NEN-EN6096 (wind turbines) UL1741 (anti islanding) NEN-EN-IEC 60204-1 (cabinet)
CE-mark Yes
Grid voltage 400V ±10%
Grid frequency 50/60Hz ±3Hz
# Phases 3 phase + neutral
Specific power 315 W/m2
Converter type Back-to-back IGBT converter
Number of blades 2
Diameter 17.9 m
Position Upwind
Direction clockwise
Angle of the main shaft 7° with horizontal
Swept area 254 m2
Speed Variable 60 -120 rotations per minute
Power regulation Passive pitching (blade-angle adjustment)
Min. blade-angle 1
Flapping angle 180 -164°
Blade length 7,8 m
Weight (1 blade) 100kg
Chord 500 – 625mm
Mounted Flexible
Brand Siemens (Flender)
Number of stages 2
Weight 820kg (incl. oil)
Ratio 0.055555555555556
Brand ABB
Type A-synchronous
Nominal power 83 kW
Number of poles 4
Nominal voltage 230/400 volt
Frequency Variable: 40 – 80 Hz.
Weight 400kg
Protection IP 55
Type Tubular
Number of sections 3
Tower height 18, 24, 30, 39m
Material Hot dip galvanised steel
Location ladder External
Control by IPC (Beckhoff)
Remote monitoring Yes
Data logging Optional
Yaw system Active
Signal from Wind vane
Driven by Electro motor with worm-wheel reduction
Power yaw-motor 0,55 kW
Yaw speed 1,2°/sec.
Yaw bearing Single ball bearing; externally geared (Rothe Erde)
Yaw-brakes Constant friction-brakes; 4 pcs.
First safety system Passive blade pitching
Activated by: Rotor speed (110 rpm)
Second safety system Yawing out of the wind
Activated by Rotor speed (>120 rpm)
Excessive vibrations
Failure anemometer
Grid failure
Fault in yawing system
Blocking system
Rotor blocking system Pin in high speed shaft; for service purposes
Activation Manual
Rotor incl. blades 1.100 kg
Nacelle excluding rotor 2.200 kg
Control cabinet 400 kg
Tower 7.820 kg (30 m. tower)
Blades Carbon and fibre glass reinforced epoxy
Nacelle/rotor Steel
Covers Polyester
Tower Steel (hot dip galvanised)
Foundation Concrete Block with steel anchor