N40/65 Wind Turbine
Rated Power: (N-65) 65 Kw at approximately 33 Max of 68 Kw @ 40 mph
Rated Power: (N-40) 30 Kw at approximately 35 Max of 39.5 @ 50 mph
Type: (N-65) 3 phase, 60 Hz synchronous 480 VAC
Type: (N-40) 1 phase, 240 VAC
RPM: (N-65) 1200 (3 phase)
RPM: (N40) 900 (1 phase)
Construction material; Hot dipped galvanized steel plate
Height 72 ft
Hub height: 75 ft
White colored paint coating
Nacelle acess: interior tower ladder through locked door
Base Diameter: 6’9” ft
Control Panel located inside bottom of tower
Aerostar 7.5 meter
3 blades, fixed pitch
RPM 36 (N-40)
RPM 44 (N65)
Weight – approx. 800 lbs.
Area swept: 2,289 sqf
Nacelle, Bedplate, Rotor and blades: 9,300 lbs
Tower (3 sections): 14,100
Cut in speed: 11 mph
Cut-off speed: None (stall regulated blades)
Survival wind speed: 120 mph
New elecronic controls panel
Heated wind vane
Noise damping foam installed
Induction generator anti-islanding
Fail safe hydraulic disk brake
Blade over speed centrifugally actuated tip brakes
Thermal protectin on generator
Thermal protection for yaw controls
Vibration sensor for fault shutdown
|1 Phase||3 Phase|
|Power Output kWh|
|Income 40% Production|
|$.04 per kWh||$5,606||$9,110|
|Income 30% Production|
|$.04 per kWh||$4,205||$6,383|
|Income Production Tax Credits $0.021|
|Prices subject to change based on turbine availability|
» All New, State-of the-art Power Electronics
» Tubular Monopole Tower
» Interior Ladder Access
Refurbishment process includes inspection and replacement of all parts necessary.
Generator is re-wound and bearings are replaced (Auxilary cooling fan installed)
Gearbox has all seals and bearings replaced with new oil. Gears and shafts thoroughly inspected and replaced if needed
The hydraulic brake units are rebuilt and tested, switches are replaced also includes new brake pads.
Yaw motor is replaced, bearing and seals replaced. Yaw gear is replaced.
Slew ring is remanucatured or replaced.
The main shaft bearings and seals are checked and replaced if necessary.
The main shaft is ultra sound tested and checked for run out, and replaced if standard not met.
Wiring and Old electronics are replaced
The blades are inspected, repaired/remanucatured, balanced and matched as a set.
The blade tips are remanufactured springs tested and alll bearing and cams replaced
Tower is degreased, safety stops installed and painted.
Nacelle is degreased and painted and additional air inlets installed.