Conference Day Two
09:20 AM - 09:50 AM Registration & welcome coffee
09:50 AM - 10:00 AM Chairman’s openingProf. 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 UTUBIProf. Dr.-Ing. Holger Lange, Managing Director and Professor, P.E. Concepts GmbH
Main tower concepts
Determination of technical details and risks
Comparison of costs
10:30 AM - 11:00 AM Wind turbine tower market development trend in China from wind turbine OEM’s viewPeng 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
Peng LiResearch & 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 ProductionRobert Füllmann, Managing Diretor, TUBULARIS
Robert FüllmannManaging Diretor
11:30 AM - 12:30 PM Material developmentJörg Niewels, Team Lead Tower Design, Siemens AG, Germany
Jörg NiewelsTeam 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 LCOEIván García Maestre, Wind Towers and Foundations Development Lead at R&D, Acciona Windpower
Iván García MaestreWind Towers and Foundations Development Lead at R&D
11:30 AM - 12:30 PM Premanufactured foundationsIon Arocena de la Rúa, Project Manager, NabraWind 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 towersIon 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
Ion Arocena de la RúaProject Manager
Antonio UgarteWind Energy Director
CENER - Centro Nacional de Energías Renovables
1:00 PM - 2:30 PM Networking luncheon
2:30 PM - 3:00 PM Tower internals – more than secondary steelSusanne Landskröner, Principal Engineer, Steel Structures, DNV GL Energy, Renewables Certification, Germany
Design interfaces– Who takes the risk?
Design assumptions – What is applicable?
Design documentation– Clearly presented?
Susanne LandskrönerPrincipal 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 turbinesDr. 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
Dr. Eleni ChatziAssistant Professor, Department of Civil, Environmental and Geomatic Engine
3:30 PM - 4:00 PM Rock anchor foundation instrumentation 1st resultsAndris Berzins, Wind Energy Product Manager, Peikko Finland Oy
Creep and stress losses
Movements in rock
Design model validation
Andris BerzinsWind Energy Product Manager
Peikko Finland Oy
4:00 PM - 4:30 PM Closing remarks of Prof. Dr.-Ing. Holger LangeProf. 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 heightsHely 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
Hely Ricardo Savii CostaChief Technical Officer