N40/65 Wind Turbine

Generator

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)

Monopole Tower

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

Rotor

Orientation: Upwind
Aerostar 7.5 meter
3 blades, fixed pitch
54’ diameter
RPM 36 (N-40)
RPM 44 (N65)

Blades

Fiberglass
Weight – approx. 800 lbs.
Area swept: 2,289 sqf

Component Weights

Nacelle, Bedplate, Rotor and blades: 9,300 lbs
Tower (3 sections): 14,100

Operational

Cut in speed: 11 mph
Cut-off speed: None (stall regulated blades)
Survival wind speed: 120 mph

Other

New elecronic controls panel
New Wiring

Options

Internet accessibility
Heated wind vane
Transmission heater
Noise damping foam installed

Safety Features

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

Turbine N-40 N-65
  1 Phase 3 Phase
Power Output kWh    
40% Production 140,160 227,760
30% Production 105,120 170,820
     
Income 40% Production    
$.04 per kWh $5,606 $9,110
.05 7,008 11,388
.06 8,410 13,665
.07 9,811 15,943
.08 11,213 18,220
.09 12,614 20,498
.10 14,016 22,776
Income 30% Production    
$.04 per kWh $4,205 $6,383
.05 5,256 8,541
.06 6,307 10,249
.07 7,358 11,957
.08 8,410 13,665
.09 9,461 15,374
.10 10,512 17,082
Income Production Tax Credits $0.021    
40% Production 2,943 4783
30% Production 2208 3587
Prices subject to change based on turbine availability    
Unit Price    

 

40/65kW Wind Turbine

 

power curve 40/65 wind turbine

 

» All New, State-of the-art Power Electronics

» Tubular Monopole Tower

» Interior Ladder Access

 

Refurbishment Information

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.