Multi-Megawatt Wind Turbines
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The prototype of the NEG Micon 2 MW turbine (1024 x 768 pixels, 132K JPEG) was commissioned in August 1999. It has a 72 m (236 ft.) rotor diameter. In this case (Hagesholm, Denmark) it is mounted on a 68 m tower. In the background you see the foundations for two sister machines.The turbine is intended for offshore applications.
From
the outside it resembles the 1500
kW NEG Micon machine so much, that you'd have to see the
turbine in its stopped state (with the blades pitched out of
the wind) in order to notice the difference: The rotor blades
are pitchable, since the machine has active
stall power control, whereas its 1500 kW cousin has passive
stall power control.(Aerial photograph © 1999 Soren Krohn)
Bonus
2 MW
The prototype of the Bonus 2 MW
turbine (88 K) was commissioned in the fall of 1998. It has
a 72 m (236 ft.) rotor diameter. In this case (Wilhelmshaven,
Germany) it is mounted on a 60 m tower. The turbine is intended
for offshore applications, and has Combi Stall® power control
(Bonus trademark for active
stall power control). The machine resembles the Bonus 1 MW
and 1.3 MW machines considerably.
(Aerial photograph © 1999 Soren Krohn)
Nordex
2,5 MW
The prototype
of the Nordex 2,5
MW turbine (132 K) was commissioned in the spring of 2000.
The rotor diameter of the wind turbine is 80 m. The image shows
the prototype at Grevenbroich, Germany, which has a 80 m tower.
The turbine has pitch power
control. It is the world's largest commercial wind turbine.
(Photo © 2000 Nordex)
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© Copyright 1999 Søren Krohn.
Updated 9 February 2000
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