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Wind Energy Technology II (WET II)

The course Wind Energy Technology II (WET II) is the second of two modules that introduce to the technology of wind turbines. It builds upon WET I, deepens the competences gained therein, and is subdivided into lectures and tutorials.

The module gives 6 CP and is offered in summer semesters. It is compulsory for students of the Master's programme Wind Energy Engineering.

Learning Objectives

The module WET I gives insights into manifold competences in the area of wind energy technology. After successful completion, the students can

  • name and explain dynamic effects in wind turbines,
  • calculate - with limitations - the structural dynamics of a wind turbine and eigenfrequencies of wind turbine components,
  • explain the instationary blade element momentum theory (BEM),
  • parameterise certification load cases and wind turbines in an appropriate simulation software,
  • calculate and interprete loads for a variety of design load cases in the context of coupled aero-hydro-servo-elastic turbine simulations,
  • perform a fatigue design for given boundary conditions,
  • explain the loads acting on offshore wind turbines,
  • explain the functionality of floating offshore wind turbines,
  • evaluate the steps of integrated turbine design, and
  • explain the functionality of vertical axis wind turbines.


The lecture WET II contains the following topics:

  • Structural dynamics of wind turbines
  • Instationary aerodynamics of wind turbines
  • Loads simulation and certification
  • Concepts of fatigue design
  • Loads on offshore wind turbines
  • Floating turbine concepts
  • Vertical axis wind turbines
  • Integrated turbine design


In the tutorials of WET II, students immerse themselves in the lecture topics. The tutorials contain interactive units, in which students solve problems independently (with supervision), and units in the CIP pool. The highlight is the introduction to coupled aero-hydro-servo-elastic turbine simulations with FAST.


For successfully completing the module, students have to pass an oral exam. The oral exam has a duration of approximately 20 minutes. In the oral exam, students need to explain the basic theoretical background of the different topics that are discussed in the lectures and the tutorials. Theoretical derivations are also part of the oral exam.

Students have to enroll for the exam online at the Academic Examination Office (Akademisches Prüfungsamt) within the respective time limits.