1. Operational experience of REpower
MM-CCV under icing conditions
REpower Systems Northern Europe
Winterwind 2012, Skellefteå

2. REpower company profile
Northern Europe
Subsidiary present in Sweden since September 2010.
REpower Systems Scandinavia AB
REpower Systems Scandinavia AB
SWEDEN Office located in Västerås
Office located in Västerås
FINLAND
Sales
Sales
NORWAY Västerås Project Management
Project Management
Helsinki
Engineering Support
Engineering Support
ESTONIA
Service Center #1 in Kristianstad
Service Center #1 in Kristianstad
Kristianstad LATVIA
Århus
DENMARK 3 x MM92
3 x MM92 LITHUANIA
Hamburg
Projects commissioned in 2011
Projects commissioned in 2011
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3. REpower Cold Climates
Operational experience Erzgebirge, Czech Republic
Erzgebirge, Czech Republic
Installation in 2008
Installation in 2008
Inner Mongolia, China
Inner Mongolia, China
Installation in 2007
Installation in 2007
Alaska, USA
Alaska, USA
Installation in 2012 Quebec Region, Canada
Quebec Region, Canada
Installation in 2012
Installation in 2009
Installation in 2009
500 CCV turbines will be installed until 2015
500 CCV turbines will be installed until 2015
Severe icing conditions // Long winter periods
Severe icing conditions Long winter periods
CCV turbine adapted to cold climate
CCV turbine adapted to cold climate
Equipped with various icing solutions
Equipped with various icing solutions
Validation in cooperation e.g. with local research institutes
Validation in cooperation e.g. with local research institutes
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4. Operation under icing conditions
Residential areas
Project specific site analysis Residential areas:
Residential areas:
Project specific site analysis Turbine stop
High impact of ice throw Turbine stop
High impact of ice throw
REpower solution assessed
REpower solution assessed
by third party
by third party
De-Icing will not avoid
De-Icing will not avoid
ice throw completely
ice throw completely
Immediate & reliable turbine stop in case of ice detection
Reliable restart after ice melting
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5. Operation under icing conditions
Remote areas
Remote areas:
Remote areas:
Project specific site analysis
Project specific site analysis Keep turbine
Keep turbine
Low impact of ice throw
Low impact of ice throw
operating
operating
REpower turbines designed
REpower turbines designed
to operate efficiently with iced
to operate efficiently with iced
blades
blades
Load and vibration management by REpower smart control algorithm
Rugged aerodynamic design for high performance (even with iced blades)
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6. Operation under icing conditions
Optional icing solutions
De-icing / Anti-icing to further increase
efficiency at severe icing conditions
Different de-icing and anti-icing systems
implemented worldwide
Validation process ongoing to decide for
solutions
- Low lifecycle costs
- Efficiency
- Reliability
- Ability to retrofit
Site specific determination of best solution package
Site specific determination of best solution package
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7. Operation under icing conditions
Summary
REpower has long year experience in cold climates with high turbine
availability
REpower turbines allow safe and economic operation under icing
conditions
REpower support your projects with site specific ice assessments and
tailored icing solutions
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8. Your contacts:
REpower Systems Scandinavia AB REpower Systems SE
Niclas Erkenstǻl Lea Kirsch
Head of Sales Sweden Productmanager WEC Equipment
Niclas.Erkenstal@repower-systems.se Lea.Kirsch@repower.de
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