# Vind Energi Innovation kursus

Abrahamsen, A. B. (Organizer)

Activity: Attending an eventParticipating in or organising workshops, courses, seminars etc.

## Description

Wind Energy Innovation course
DTU Wind Energy has developed a master and PhD course in which the students are introduced to innovation methods and trained in evaluating if an innovation idea is decreasing the Levelized Cost of Energy compared to know wind turbine technology.

Innovation is defined as a good idea that is creating value to an organization in this course. The innovation methods introduced are based on the "Delft Design Guide" [1] and their relevance in relation to wind energy will be discussed.

Levelized Cost of Energy(LCoE) is often used in the wind energy sector to compare the production cost of onshore- and offshore wind to other power producing technologies, such as solar PV, hydro power, fossil power plants and nuclear power plants. The term "Levelized" is reflecting that all cash flows during the design lifetime of the unit are recalculated back to the present value of the invest time by assuming a certain interest rate of the investment.

The definition of the Levelized Cost of Energy (LCoE) is given in the paper of the course material and several spread sheets of different LCoE model are also provided (right hand downloads):

1) Simple LCoE model:

This model estimates the LCoE of a single turbine placed at a site, where the annual wind speeds are described by a Weibull distribution, which can be obtained from the Global Wind Atlas [2]. The cost of the turbine and substructure are given in the unit of [M€/MW] and are found from literature.

2) DTU Wind Energy LCoE model:

This model is based on the LCoE model framework for a wind farm provided by MEGAvind [3] in 2015 and has been filled out using the DTU Wind Energy 10 MW reference turbine. The model contains scaling functions for estimating the weight and cost of the major components of the turbine ( blades, gear, generator, tower) as the turbines is scaled to other power ranges P = 6-12 MW. The wind resource of the wind farm is given as Weibull parameters and estimates of the wake losses must be provided.

3) INNWIND.EU LCoE model:

This LCoE model as developed as part of the FP7 INNWIND.EU project holds scaling functions of weight and cost of the main components of offshore wind turbines with power P = 10-20 MW and installed at 50 m of water [4]. The model includes new innovative main components as new blades, gearboxes, generators and substructures that were investigated as part of the INNWIND.EU project. The model provides the LCoE of a wind farm, where the wind resource must be provided as Weibull parameters and along with the wake losses of the farm.

The Wind Energy Innovation course holds a 1 week group project, where the student must develop one of their own ideas in collaboration with the group members. The change in LCoE of their idea must be evaluated and it should be discussed if a sufficient improvement has been obtained. A more detailed description of the course is attached to the course material.

References

[1] Annemeik van Boijen et. al., "Delft Design Guide", BIS publishers, Amsterdam ( 2013), ISBN 978 906369 327 5.
[2] Global Wind Atlas, https://globalwindatlas.info/