Environmental Engineering Reference
In-Depth Information
Figure 18.8
Panoramic view of Enercon-32 turbines (300 kW) at Wremen,
northern Germany, 2011. Note the stepped greens painted on
foundation and lower tower sections for improved integration
with the landscape (Photo: Arne Jaeger).
Enercon ofers an unconventional wide range of wind turbines
between a few kilowatts and 7.5 MW. The company symbolises the
success story of German wind technology and belongs to the group
of global wind turbine players. More than 10 000 units have been
sold worldwide.
Husumer Schiffswerft (HSW): 1986-2000
HSW was an old shipyard from Husum, northern Germany, with
huge experience in both craftsmanship and handling the powers of
nature. In 1986 the company decided to enter a new business field,
because of a serious crisis in the shipyard industry. Wind energy
was recognised as a rising renewable energy sector with a large
future potential. As the first step, a 30 kW two-bladed machine was
developed together with an engineering company [3].
The second step was a 200 kW wind turbine equipped with a
25 m upwind rotor. HSW adopted the Danish line concept that
featured a stall-regulated rotor with three blades, and a heavyweight
machine construction. In 1988, HSW-250, the successor was
introduced and serial production began. Of this type 100 units
were sold, 50 of which were chosen for the famous “Nordfriesland
Windpark” close to the Danish-German border on the west side. This
wind farm became a very strong and popular symbol for successful
wind energy utilisation in Germany.
In 1993, a 750 kW pitch-regulated model was set up at the test
station Kaiser-Wilhelm-Koog. It created huge attention, since it was
seen as a pre-stage to megawatt wind turbines. This became reality
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