Modeling, Control and Design of Wind Energy Systems at TU München

Flashcards and summaries for Modeling, Control and Design of Wind Energy Systems at the TU München

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Study with flashcards and summaries for the course Modeling, Control and Design of Wind Energy Systems at the TU München

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

When was the precursor of modern wind turbines invented? Name the 3 main improvments

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

1 How do modern wind turbine usually look like?

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

1 What are pros and conts of direct drive or turbines with gearboxes?

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

Name 4 issues affecting the growth of wind energy systems

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

1 Name 5 negative wind energy impacts

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

1 Name 5 areas of technological innovation at wind turbine level

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

1 Name 4 significant differences with respect to aeronautical applications

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

1 What is one of the most effective ways to reduce CoE?

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

1 Name 3 trends aiming more efficiency

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

1 Name 5 reason for going off-shore

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

2 4 Hypotheses of the 1D annular stream tube theory

Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

1 Explain why there is a tendency in increased wind turbine size

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Exemplary flashcards for Modeling, Control and Design of Wind Energy Systems at the TU München on StudySmarter:

Modeling, Control and Design of Wind Energy Systems

When was the precursor of modern wind turbines invented? Name the 3 main improvments

1500 in Europe -> horizontal axis, furling blades (Rollschaufeln), Yaw control

Modeling, Control and Design of Wind Energy Systems

1 How do modern wind turbine usually look like?

• Horizontal-axis three-bladed upwind variable-speed wind turbine
• Pitch control
• Various typologies depending on generator type, location of main
bearings, gearbox, brake, …

Modeling, Control and Design of Wind Energy Systems

1 What are pros and conts of direct drive or turbines with gearboxes?

direct driven do not need a complex gearbox but generate less energy due to low speed

Modeling, Control and Design of Wind Energy Systems

Name 4 issues affecting the growth of wind energy systems

beyond reach of wind power technology: policy uncertainties, permitting and approval time

Affected by technological innovation: social acceptance, environmental impact

Modeling, Control and Design of Wind Energy Systems

1 Name 5 negative wind energy impacts

Noise

Recycling

local climate

wildlife

Visual impact

Modeling, Control and Design of Wind Energy Systems

1 Name 5 areas of technological innovation at wind turbine level

aerodynamics

materials

active smart blade

electromechanical conversion

contruction technilogy

Modeling, Control and Design of Wind Energy Systems

1 Name 4 significant differences with respect to aeronautical applications

- dimensions (need of large volumes but low cost materials)

- reliability/maintenance: performance with simplicity and robustness

- key design objective: low CoE for wind energy (Cost of Energy)

- rotating components

Modeling, Control and Design of Wind Energy Systems

1 What is one of the most effective ways to reduce CoE?

Increase AEP (Anual energy production)


Modeling, Control and Design of Wind Energy Systems

1 Name 3 trends aiming more efficiency

- higher tower -> higher wind speed because of vertical shear

- large swept area -> larger power capture

- improved capacity factor -> lower CoE

Modeling, Control and Design of Wind Energy Systems

1 Name 5 reason for going off-shore

  • huge available resouces
  • improved social acceptability
  • lower environmental impact
  • scale/ logistics (production more and more at habour)
  • potential for reduces LCOE

Modeling, Control and Design of Wind Energy Systems

2 4 Hypotheses of the 1D annular stream tube theory

  • stationary flow
  • constant mass flow rate along stream tube
  • incompressible and inviscid flow
  • actuator disk

Modeling, Control and Design of Wind Energy Systems

1 Explain why there is a tendency in increased wind turbine size

Main goal is to reduce CoE -> one of the most effective ways is to increase AEP

With a increased diameter/ increased swept area 

  • the power capture is larger
  • the wind speed is higher due to a higher tower

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