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Havøygavlen Windmill Park

Windmills

16

Generating capacity windmill

2.5MW each

Combined capacity

40MW

Blade length

38.8m

Blade material

Glass fibre-reinforced polyester (GRP)

Blade weight

8,700kg

Blades

3

Rotor speed

10.9 to 19.1rpm

Rotor diameter

80m

Swept area

5.026m²

Power regulation

Pitch

Cut-in wind speed

4m/s

Cut-out wind speed

25m/s

Rated power

Around 15 m/s

Survival wind speed

65m/s corresponding GL type class 1, 70m/s corresponding IEC type class 1

Pitch regulation

Individual pitch

Weight

About 50,000kg

Type

3 stage planetary-spur-gear

Gear ratio

1:68.1

Weight

About 18,500kg

Oil quantity

360l

Oil change

Semi-annual check, change as required

Main shaft bearing

Cylindrical roller bearing

Power

2,500kW

Voltage

660V

Type

Asynchronous double-fed, liquid cooled

Speed

700-1,300rpm

Enclosure class

IIP 54

Weight

About 12,000kg

Yaw bearing

Ball bearing

Brake

Hydraulic disc brake

Yaw drive

Two asynchronous motors

Speed

About 0.6 0/s

Type

PLC, Remote Field Controller (RFC)

Grid connection

Via IGBT converter
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