WIND•e20® Specifications

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Rated Power 20 kW 50 kW 65 kW
Rated Wind Speed 9 meters/sec (20 mph) 12 meters/sec (27 mph) 14 meters/sec (31 mph)
Cut-in wind speed 4 meters/sec (9 mph) 4 meters/sec (9 mph) 4 meters/sec (9 mph)
Cut-out wind speed 20 meters/sec (45 mph) 20 meters/sec (45 mph) 20 meters/sec (45 mph)
Survival wind speed 60 meters/sec (135 mph) 60 meters/sec (135 mph) 60 meters/sec (135 mph)
Operational
Temperature Range
-20 to 50 C (-4 to 122 F) -20 to 50 C (-4 to 122 F) -20 to 50 C (-4 to 122 F)
Height 32.2 meters (106 feet) 32.2 meters (106 feet) 32.2 meters (106 feet)
Number of Blades 3 3 3
Swept Area 129.6 sq. meters (1369 sq. ft.) 129.6 sq. meters (1369 sq. ft.) 129.6 sq. meters (1369 sq. ft.)
Rotor Diameter 13.4 meters (44 feet) 13.4 meters (44 feet) 13.4 meters (44 feet)
Output Voltage 3 Phase, 480 VAC, 60/50 Hz 3 Phase, 480 VAC, 60/50 Hz 3 Phase, 480 VAC, 60/50 Hz
RPM range 29 – 65 RPM 29 – 86 RPM 29 – 100 RPM
Generator Induction Induction Induction
Brakes Twin passive-safety calipers Twin passive-safety calipers Twin passive-safety calipers
Wind Protection Blades fold flat to rotor automatically for winds above
38 meters/second (85 mph)
Blades fold flat to rotor automatically for winds above
38 meters/second (85 mph)
Blades fold flat to rotor automatically for winds above
38 meters/second (85 mph)
Design Life 20 years minimum 20 years minimum 20 years minimum
Maintenance All maintenance items are accessible from ground level All maintenance items are accessible from ground level All maintenance items are accessible from ground level

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