LAGERWEY LW 18/80 – Used

TECHNICAL DATA 

GENERAL

• Design according to NEN 6096
• Certified by CIWI (ECN) – Holland
• Cut-in wind speed 3 m/sec.
• Nom. windspeed 12 m/sec.
• Cut out operating wind speed 25 m/sec.
• Max. survive windspeed 60 m/sec.
• Nominal power 80 kW
• Specific power 315 W/m2
• Calculated lifetime min. 20 years

ROTOR

• Number of blades 2
• Rotor position upwind
• The angle of the main shaft 7⁰ with the horizon
• Diameter 18 m
• Swept area 254 m2
• Speed variable 60 -120 rotations per minute
• Power regulation passive: blade-angle adjustment
• Active: fully variable mutator system
• Min. blade-angle 6,3⁰
• Cone-angle 180 -164⁰
• Direction clockwise
• Location main bearing attached to the gearbox

BLADES

• Blade length 7,8 m
• Chord 500 – 625 mm
• Twist 5⁰
• Material carbon fiber reinforced epoxy
• Mounted flexible
• Manufacturer A.T.V., Marseilles, France

GEARBOX

• Number of stages 2
• Ratio 1:20
• Nominal torque 8050 Nm
• Manufacturer Flender, Germany

GENERATOR

• Type asynchrony
• Nominal power 80 kW or de-rated to 60kW for Italy (with certification)
• Number of poles 4
• The nominal voltage of 400 volt
• Frequency variable: 40 – 80 Hz.
• Protection IP 55
• Manufacturer ABB or equal quality

GRID-CONNECTION

• Converter diode-bridge – mutator
• Converter principle AC – DC – AC
• Power supply 400 V / 3 phase / 50 Hz.

TOWER

• Type cylindrical pipe
• Number of sections 3
• Hub height 31m
• Material hot-dip galvanized steel
• Location ascent external

YAW-SYSTEM

• System active
• A signal based on the wind vane
• Driven by e-motor with a worm-wheel reduction
• Power yaw-motor 0,55 kW
• Yaw speed 1,2⁰/sec.
• Yaw bearing crown-bearing; externally geared
• Yaw-break constant friction-break; 4 pcs.

CONTROLLER

• Control by Microprocessor
• Remote monitoring optional; typically via the public
• Telecommunications network

SAFETY

• Aerodynamic brake by aerodynamic torque
• Safety measures – passive blade-angle adjustment,
• (Emergency) yawing out of the wind at
• Wind speed above 25 m/sec.

MASSES

• Rotor 900 kg
• Nacelle including rotor 3.000 kg
• Tower excluding nacelle 10.000 kg

DOWNLOAD TECHNICAL DOCUMENTS:

• LW18-80_Description.pdf
• LW18-80_Operating_Instructions.pdf

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