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Conference Day Two

09:20 AM - 09:50 AM Registration & welcome coffee


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Prof. Dr.-Ing. Holger Lange

Managing Director and Professor
P.E. Concepts GmbH

Evaluating tower systems, cost drivers and requirements for new markets

10:00 AM - 10:30 AM Finding the optimum tower concept for each WEC: Final results of the research project UTUBI

Prof. Dr.-Ing. Holger Lange, Managing Director and Professor, P.E. Concepts GmbH
  • Main tower concepts
  • Determination of technical details and risks
  • Comparison of costs

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Prof. Dr.-Ing. Holger Lange

Managing Director and Professor
P.E. Concepts GmbH

10:30 AM - 11:00 AM Wind turbine tower market development trend in China from wind turbine OEM’s view

Peng Li, Research & Development Engineer, M.Sc.E.E., Mingyang Wind Power Co. Ltd.
  • Introduction of China Mingyang Wind Power Group
  • Requirement to onshore wind turbine tower from the view of utility company side in China
  • Onshore wind turbine tower market development trend in China
  • China Mingyang Wind Power Group future development plan on wind turbine tower

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Peng Li

Research & Development Engineer, M.Sc.E.E.
Mingyang Wind Power Co. Ltd.

11:00 AM - 11:30 AM Refreshment break & networking

11:30 AM - 12:30 PM Interactive Round Table Discussion

Exchange your topic related experiences at a round table and develop new ideas while moving from table to table in small groups.


Participants return to the main plenary room to hear the discussion leaders summarizing the main topics and conclusions of their round tables.


11:30 AM - 12:30 PM Design vs. Industrial Production

Robert Füllmann, Managing Diretor, TUBULARIS

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Robert Füllmann

Managing Diretor
TUBULARIS

11:30 AM - 12:30 PM Material development

Jörg Niewels, Team Lead Tower Design, Siemens AG, Germany

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Jörg Niewels

Team Lead Tower Design
Siemens AG, Germany

11:30 AM - 12:30 PM Markets constrains vs. tower concepts: what is the best way to reduce the LCOE

Iván García Maestre, Wind Towers and Foundations Development Lead at R&D, Acciona Windpower

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Iván García Maestre

Wind Towers and Foundations Development Lead at R&D
Acciona Windpower

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Ion Arocena de la Rúa

Project Manager
NabraWind
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Hely Ricardo Savii Costa

Chief Technical Officer
Nabrawind, Spain

Update on alternative materials, design and tower internals

12:30 PM - 1:00 PM Advanced validation strategies for XXL towers

Ion Arocena de la Rúa, Project Manager, NabraWind Antonio Ugarte, Wind Energy Director, CENER - Centro Nacional de Energías Renovables
  • XXL towers challenges

  • Conventional validation of towers

  • An insight into wind turbine blade validation

  • Building block approach for tower validation

  • A new safety standard for XXL tower pre-series


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Ion Arocena de la Rúa

Project Manager
NabraWind
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Antonio Ugarte

Wind Energy Director
CENER - Centro Nacional de Energías Renovables

1:00 PM - 2:30 PM Networking luncheon

  • Design interfaces– Who takes the risk?

  • Design assumptions – What is applicable?

  • Design documentation– Clearly presented?


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Susanne Landskröner

Principal Engineer, Steel Structures
DNV GL Energy, Renewables Certification, Germany

Cutting down OPEX: Link between tower and foundation, reliability, maintenance and monitoring

3:00 PM - 3:30 PM Smart monitoring, inspection and life-cycle assessment of wind turbines

Dr. Eleni Chatzi, Assistant Professor, Department of Civil, Environmental and Geomatic Engine, ETH Zurich
  • WT monitoring - the common take

  • Vibration-based monitoring of WTs

  • Short and long-term variability of WT systems

  • Case study - WT tower

  • Laboratory testing - WT blades


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Dr. Eleni Chatzi

Assistant Professor, Department of Civil, Environmental and Geomatic Engine
ETH Zurich

3:30 PM - 4:00 PM Rock anchor foundation instrumentation 1st results

Andris Berzins, Wind Energy Product Manager, Peikko Finland Oy
  • Creep and stress losses
  • Movements in rock
  • Design model validation

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Andris Berzins

Wind Energy Product Manager
Peikko Finland Oy

4:00 PM - 4:30 PM Closing remarks of Prof. Dr.-Ing. Holger Lange

Prof. Dr.-Ing. Holger Lange, Managing Director and Professor, P.E. Concepts GmbH


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Prof. Dr.-Ing. Holger Lange

Managing Director and Professor
P.E. Concepts GmbH

Evenening Workshop A

4:30 PM - 11:59 PM Logistical challenges for large diameters and increased hub heights

Hely Ricardo Savii Costa, Chief Technical Officer, Nabrawind, Spain

Workshop A aims to discuss transport and installation of different tower concepts, technical limitations and impacts on tower desgin.

  • Limitations to current transportation

  • Challenges for hardly accessible regions

  • Available technology to facilitate tower assembly


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Hely Ricardo Savii Costa

Chief Technical Officer
Nabrawind, Spain