alternative energy generation

Entegrity EW15 - 50kW Wind Turbine

 

 

Entegrity Wind Systems, located in Charlottetown Canada, is a leading manufacturer of intermediate-scale wind turbines with installations worldwide.

The EW15 is a 50 kilowatt wind turbine generator - formerly the Atlantic Orient Corporation AOC 15/50 - designed to supplement electric power generation on or off-grid and is suitable in any of the following applications:

  • Industry
  • Out of town retail
  • Large farms
  • Communities
  • Local authorities
  • Schools
  • Remote locations

The Entegrity wind turbine is also an approved product under the Department for Business, Enterprise and Regulatory Reform’s (BERR – formerly the DTi) Low Carbon Building Programme (LCBP) grant scheme.

 

 Entegrity EW15 wind turbine

For further information contact Altergen. info@altergen.co.uk

Technical Specification

 
SYSTEM
Type 3 Φ Grid Connected
Configuration Horizontal Axis
Rotor Diameter 15 m (49.2 ft)
Centerline Hub Height 25 m (82 ft)
 
PERFORMANCE PARAMETERS
Rated Electrical Power 50 kW @11.3 m/s (25.3 mph)
Wind Speed Ratings:  
   cut-in 4.6 m/s (10.2 mph)
   shut-down (high wind) 22.4 m/s (50 mph)
   design speed 59.5 m/s (133 mph)
   
Calculated Annual Output @ 100 % availability 5.4 m/s (12 mph) 85,000 kWh
6.7 m/s (15 mph) 145,000kWh
8.0 m/s (18 mph) 199,000 kWh
 
ROTOR
Type of Hub Fixed Pitch
Rotor Diameter 15 m (49.2 ft)
Swept Area 177 m² (1902 ft²)
Number of Blades 3
Rotor Solidity 0.077
Rotor Speed @ rated wind speed 65 rpm
Location Relative to Tower Downwind
Cone Angle 6º
Tilt Angle 0º
Rotor Tip Speed 50 m/s (111 mph) @ 60 Hz
Design Tip Speed 6.1
 
BLADE
Length 7.2 m (23.7 ft)
Material Epoxy /glass fibre
Blade Weight 150 kg (330 lbs) approximate
   
GENERATOR
Type 3 phase/4 pole asynchronous
Frequency 50 Hz
Voltage 3 phase @ 50 Hz, 400-600 VAC
kW @ Rated Wind Speed 50 kW
kW @ Peak Continuous 55 kW
Insulation Class F
Enclosure Totally Enclosed Air Over
Options Arctic low temp shafting -40°c
   
TRANSMISSION
Type Planetary
Housing Ductile iron
Ratio (rotor to gen. speed) 1 to 28.25 (60 Hz)
Rating, output horse power 88
Lubrication synthetic gear oil/non toxic
Heater (option) Arctic version, electric
   
YAW SYSTEM
Normal Free, passive
Optional Yaw damp
Electrical Twist cable
 
TOWER
Type Free standing galvanized bolted lattice or Monopole
Tower Height 30 m (100 ft)
Options 24.4 m (80ft)
Monopole (various heights)
Tilt down
   
EW15 Estimated Annual Energy Output
   
FOUNDATION
Type Concrete pads, piers or special
   
CONTROL SYSTEM
Type Microprocessor based
Communications Ethernet/Internet link to for energy monitoring and maintenance dispatch
Enclosures NEMA 1, NEMA 4 (optional)
Soft Start Optional
   
ROTOR SPEED CONTROL
Running Passive stall regulation
Start up Aerodynamic
Shut-down Aerodynamic tip brake. Parking brake for servicing
   
BRAKE SYSTEM CONTROL
Fail-safe aerodynamic and parking brakes
 
APPROXIMATE SYSTEM DESIGN WEIGHTS
Tower Lattice 3,210 kg (7,080 lb)
Tower Monopole 4535 kg (10,000 lb)
Rotor & Drive train 2,420 kg (5,340 lb)
   
DESIGN LIFE: 30 Years
DESIGN STANDARDS: Applicable Standards, AWEA, and IEC
DOCUMENTATION: Installation Guide and Operation & Maintenance Manual
SCHEDULED MAINTENANCE: Semi-annual or after severe events.