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Resource Documents by Vestas Wind Systems

Vestas Wind Systems
General Specification: V117–3.3 MW
The Vestas V117-3.3 MW turbine has a rotor diameter of 117 m (384 ft) and a rated output power of 3.3 MW. Swept area 10,751 m² (2.66 acres). Speed, dynamic operation range 6.2-17.7 rpm (maximum tip speed of 390 kph/243 mph). Total gearbox oil volume 1000-1200 L (264-317 gal). Main contributors to own consumption: hydraulic motors, yaw motors, water heating, water pumps, oil heating, oil pump for gearbox lubrication, controllers, transformer no-load loss; total ~128 kW. [Other contributors to consumption include turning . . . Complete article »

Vestas Wind Systems
Safety Regulations for Operators and Technicians
“Do not stay within a radius of 400m (1300ft) from the turbine unless it is necessary. If you have to inspect an operating turbine from the ground, do not stay under the rotor plane but observe the rotor from the front.” (p.3) “In case of a fire during an uncontrolled operation, do under no circumstances approach the turbine. Evacuate and rope off the turbine in a radius of minimum 400m (1300ft).” (p.17) Download original document: complete “Mechanical Operating and Maintenance . . . Complete article »

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