1

Wind Turbine Design and Test

Department of Mechanical Engineering & Material Sciences

Chapter 7

Prof. David Peters

2

Wind Turbine Standards, Technical

Specifications and Certifications

3

Wind Turbine Standards, Technical

Specifications

4

Wind Turbine Design Loads

5

Wind Turbine Design Loads

6

Wind Turbine Design Loads and

Design Standards

7

Design Wind Conditions

8

Normal Turbulence Model (NTM)

9

Extreme Operating Gust (EOG)

10

Extreme Wind Shear (EWS)

11

Models of Partial Safety Factors

12

Load Scaling Relations

13

Stresses Due to Blade Weight

14

Stresses Due to Centrifugal Forces

15

Blade Natural Frequencies

16

Power Curve Prediction

17

Example

18

Example

19

Example

20

Example

21

Computer Codes for Wind Turbines Design

22

23

Full-scale Wind Turbine Testing

24

Testing of Drive Train Components

25

Fatigue Test Blade Loading

26

Blade Fatigue Testing