Page 50 - North American Clean Energy July August 2015

wind product spotlight: small & large wind turbines

Small & Large Wind turbines convert the kinetic energy in the wind into mechanical power and are

generally divided into categories based on their rated capacity. Large wind turbines
Wind Turbines
range in size from 100 kilowatts to as large as several megawatts. Small turbines, below

100 kilowatts, are used for homes, telecommunications dishes, or water pumping. Here
we focus on some of the small and large wind turbines available today.

Bergey Windpower Co. Goldwind Americas Gamesa Technology
Corporation, Inc.
Product: Excel 10
Product: GW121/2500
Capacity: 12.5 kW
Capacity: 2.5 MW
Product: G114-2.0 MW

Blade length: 3.5m (11.5 ft)
Blade length: 59.5m (195 ft)
Capacity: 2.0 MW
Hub height: 18m to 49m (50ft to 161ft) Hub height: 90m or 120m (295ft or 394ft) Blade length: 56m (184ft)
Hub height: site speciic
Swept area: 38.5 m2
Swept area: 11,595 m2
Rotor speed: 50 to 400 rpm
Rotor speed: 13.5 rpm
Swept area: 10,207 m2
Nominal power: 8.9 kW
Nominal power: 2,500 kW
Rotor speed: 7.8 to 14.8 rpm

Cut-in wind speed: 2.2 m/s Cut-in wind speed: 3 m/s
Nominal power: 2,000 kW
Nominal wind speed: 11 m/s Nominal wind speed: 9.3 m/s
Cut-in wind speed: 3 m/s
Nominal wind speed: 13 m/s
www.bergey.com
Cut-out wind speed: 22 m/s (10 min)
www.goldwindamericas.com
Cut-out wind speed: 25 m/s
www.gamesacorp.com/en

Aeronautica Windpower Siemens
Enercon

Product: AW 750
Product: SWT-2.3-120 wind turbine
Product: E-126 EP4

Capacity: 750 kW
Capacity: 2.3 MW
Capacity: 4.2 MW
Blade length: 23.5m (77ft) Class I, 21.5m (70.5ft)
Blade length: 59m (194ft)
Blade length: 63m (207ft)
Class S
Hub height: 80m or 92.4m (262ft or 303ft) Hub height: 135m (443ft)
Hub height: 50m, 55m, or 65m (164ft, 180ft, or Swept area: 11,300 m2
Swept area: 12,470 m2
213ft)
Rotor speed: 6 to 16 rpm
Rotor speed: 3 to 11.6 rpm
Swept area: 47 m2: 1,735 m2, 54m: 2,289 m2
Nominal power: 2,300 kW
Nominal power: 4.2 MW
Rotor speed: 25.3 rpm
Cut-in wind speed: 3 m/s
Cut-in wind speed: 3 m/s
Nominal power: 200/750 kW
Nominal wind speed: 11-12 m/s Nominal wind speed: 14 m/s
Cut-in wind speed: 3.5 m/s, 10 min average
Cut-out wind speed: 22 m/s Cut-out wind speed: 28 - 34 m/s
Nominal wind speed: 4 m/s
www.siemens.com/wind
www.enercon.de
Cut-out wind speed: 47m: 25m/s, 54m: 20 m/s
10 min average

www.aeronauticawind.com

50 JULY/AUGUST 2015 nacleanenergy.com