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FURTHER DEVELOPMENT
� Foundation
100
A foundation support structure should be developed under proper consideration to
relevant soil properties. Specification of the foundation layout may be an integral part
of the tower design task below.
� Tower
Further verification of the structural integrity of the guyed tower is needed and modal
analysis is advised to forgo resonance excitation issues.
� Prototype
The development of a prototype serves multiple purposes: Firstly it enables verifica-
tion of the general operation of the wind turbine and its detail working principles of
e.g. the furling system. Secondly a prototype makes it possible to conduct materials
tests, performance tests and load measurements that will clarify current uncertainties
(e.g. the match between theoretical performance and actual performance, and the fa-
tigue strength of the wooden blades).
� Alternative blade design (S)
Using the alternative airfoil shape of chapter 10, or a further developed version of it, a
new blade design may be developed using the rotor design tool. Material options
should be investigated and the structural integrity of the blade is to be verified
� Dynamic modelling (S)
The behaviour of a yawed rotor and a furled rotor may be further analysed using dy-
namic modelling. This is a first step in enabling calculation of more precise perform-
ance when the incoming wind is not aligned with the rotor axis. The project is mainly
of academic interest.
� Full compliance with IEC 61400-2 (S)
The design proposal of the present project has been developed in accordance with IEC
61400-2. Full compliance with IEC 61400-2 may be obtained if the remaining tasks,
such as design of the electrical system, also comply with the specifications of the IEC
standard. The full compliance may be used in type certification of the wind turbine in
accordance with IEC WT01, IEC system for conformity testing and certification
of wind turbines - rules and procedures.