Hydraulic transmission for wind turbines


                                    21 April 2009




                         ...
Key management
Jens Anders Jensen, CEO
 •   Former CSO in Vestas Wind Systems A/S
 •   Former Chairman and board member in...
Reduce top weight by 50 %

                                                                   Standard wind turbine design...
Development status
                              225 kW field test             900 kW Pilot installation
                 ...
Target
• To supply hydraulic transmissions for wind
  turbines and thereby:

   – Reduce the top weight and improve the re...
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Chap Drive 2

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hydraulic transmission for windturbines

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Transcript of "Chap Drive 2"

  1. 1. Hydraulic transmission for wind turbines 21 April 2009 1 ChapDrive today • Established - December 2006 • Hydraulic transmission for wind turbines • Workshop and HQ at Marienborg, NO • Wind turbine test site at Valsneset • Development department in Silkeborg, DK • 19 employees and 4 consultants • Shareholders: Founders Northzone Ventures Hafslund Venture StatoilHydro Venture NTNU Technology Transfer 2
  2. 2. Key management Jens Anders Jensen, CEO • Former CSO in Vestas Wind Systems A/S • Former Chairman and board member in Vestas companies world wide • Former Chairman of the Danish Wind industry association Knud Erik Thomsen, CTO • 15 years in the R&D in Vestas Wind Systems A/S • Former Head of Mechanical Engineering in Vestas • Former Head of Electrical Engineering in Vestas Åsmund Furuseth, Vice president • Co-founder, former CEO • Developed ChapDrive from idea to company of today Torben Bjerre Madsen, Board member • Former deputy-CEO of Vestas Wind Systems • Former CEO of NEG Micon 3 Other key persons Knud Andersen, Technical advisor • Former COO in Vestas Wind Systems and NEG Micon Prof. Peter Chapple and Prof. Ole Gunnar Dahlhaug • Senior scientists and co-founders • Leading experts on hydraulics and turbine technology Per Olav Haarberg • Senior scientist and co-founder • Expert on hydraulics and generators Thor Schjetne • Senior project manager from the offshore industry 4
  3. 3. Reduce top weight by 50 % Standard wind turbine design • Top weight ~ 250 - 400 ton (5 MW) • Critical components in the nacelle • Gearbox failures Figure 1: Standard wind turbine Worn-out gear in gearbox ChapDrive design • Top weight ~ 125 - 175 ton (5 MW) • Critical components at foundation • Eliminate gearbox Figure 2: Wind turbine with hydraulic transmission 5 Improved relability ChapDrive hydraulic transmission • Simplified maintenance • Variable speed • Synchronous generator • No need for power electronics • No reactive power from the grid 6
  4. 4. Development status 225 kW field test 900 kW Pilot installation Valsneset, test site Valsneset, test site Successful test Erected September 2008 50 kW Lab test NTNU University 300 kW in test rig Marienborg 2005-2006 2007 2008 2009 7 Next step • Development and test of 5 MW hydraulic transmission during 2009 - 2010 • 6 million Euro project funded by StatoilHydro and Innovation Norway • Positive results from the tests will initiate development of a 5 MW pilot wind turbine with hydraulic transmission • Next funding round: 8 – 10 million Euro 8
  5. 5. Target • To supply hydraulic transmissions for wind turbines and thereby: – Reduce the top weight and improve the reliability, safety and grid stability – Enable introduction of larger multi MW wind turbines to further reduce the cost of wind energy – Thereby facilitate the utilization of the full potential for off-shore and on-shore wind power production 9

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