REpowers latest commercial wind turbine

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• REpowers latest commercial wind turbine
• EWEC, Athens - 28 February 2006
• Christian Draheim Head of Product-Marketing

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Agenda

• MM92 the latest step of the proven Mx-series
• Design changes
• Technical data prototypes
• Operational results
• power output
• sound emissions
• technical availability
• yield

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Two product lines, five productsand one reliable
concept
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The Mx-series Do you see a difference ?
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Design changes

• Constant design focus on efficiency and
  long-term reliability
• Unchanged electrical system

• Specific modifications of single components

• Load optimisation by advanced control and
  adjustment systems

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Design changes

• Latest pitch drive control technology
• Minimising of extreme loads

• New blade bearing with increased numb
  er of blade bolts
• Efficient load transfer with unchanged
  operational safety

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Rotor blade LM45.3 P

• Proven blade profile

• GRP design with a weight of 8t

• Multi receptor system for lightning protection

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Technical data prototypes
Technical data Rated Power 2.0 MW Rotor
diameter 92.5 m Hub heights 78.5 / 80 m,
100 m Type class IEC II, IEC III
Cut-in wind speed 3.0 m/s Rated wind
speed 11.2 m/s Cut-out wind speed 24.0 m/s
Rotational speed 7.8 15.0 min1 (12.5) Tip
speed 72.7 m/s Rotor blade LM 45.3 P

• Prototypes
• MM92 80 m 09.2005, Schleswig-Holstein, Germany
• MM92 80 m 11.2005, Schleswig-Holstein,
  Germany
• MM92 100m 01.2006, Brandenburg, Germany

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Operational results Power output

• 1st power curve measurement 11/05

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Operational results Sound emissions

• Sound measurements 11/2005 01/2006

• Reduced and individual sound power curves

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Operational results - Availability
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Operational results - Availability

• Availability excl. Test-Runs 99,1

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Operational results - Yield
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Operational results Yield

• approx. 20 higher yield than the MM82

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Outlook

• Installations 2006
• Measurements
• Certifications

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