Welcome to West Wind Energy LLC. - Otis, Kanasas

American Wind Energy Association

N-65 / N-40 System Specifications:

N-45/60 Class Generator
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


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.



N65 / N40 (2 year parts and labor warranty, Service included in warranty cycle, travel not included)
_________
Installation
_________
Travel and Expenses from Otis, Ks)
_________
Foundation (typical)
_________
Electrical (depending on placement) to handle 200 amps
_________



Extended Warranty 3 year or 5 year total (7% or 15% of purchase price payable on purchase of turbine.)



Terms 50% down payment at purchase. Additional 25% plus foundation cost at completion of foundation, final 25% payment including travel and expenses at project completion.
  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

 

 

 

M-130 Wind to Energy Chart



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