how wind turbines work a brief introduction to wind energy
TRANSCRIPT
![Page 1: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/1.jpg)
HOW W
IND T
URBINES
WORK
A BRIE
F IN
TRODUCTI
ON TO W
IND E
NERGY
![Page 2: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/2.jpg)
HOW IS WIND CREATED?
• Temperatures vary according to the amount of sun it gets
• Uneven heating of the Earth's atmosphere and surface
• Balance between warm and cool air is constantly changing, creating wind.
![Page 3: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/3.jpg)
WHAT IS WIND POWER?
Wind power is the conversion of kinetic energy in the wind to electrical energy.
The wind turns the blades which are attached to a rotor. The rotor spins and that is mechanical energy.
The shaft turns a generator which creates electricity.
The electricity is then added to the grid.
![Page 4: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/4.jpg)
HOW DOES A GENERATOR WORK?
Needed: Conductor – loop of
wire Magnetic field –
electromagnets Conductor moves
within the magnetic field Conductor rotates
through a magnetic field
Magnets move back and forth through a looped wire
![Page 5: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/5.jpg)
PARTS OF A WIND TURBINE?
![Page 6: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/6.jpg)
Length Width Shape Weight Material Pitch Number Distance from
hub Others?
IMPORTANT BLADE CHARACTERISTICS
![Page 7: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/7.jpg)
REAL BLADE DESIGNS
![Page 8: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/8.jpg)
PAST BLADE DESIGNS
![Page 9: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/9.jpg)
WHAT ARE THE SIZES OF TURBINES?
![Page 10: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/10.jpg)
WHAT SIZE TURBINE GOES WHERE?
![Page 11: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/11.jpg)
![Page 12: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/12.jpg)
WHAT SIZE TURBINE GOES WHERE?
![Page 13: HOW WIND TURBINES WORK A BRIEF INTRODUCTION TO WIND ENERGY](https://reader036.vdocuments.net/reader036/viewer/2022062321/56649e0c5503460f94af4cda/html5/thumbnails/13.jpg)
•Oil independence•Locally produced (jobs)•No air pollution (or CO2)•Uses no water•Renewable•Lower costBUT…•Bird and bat issues•Aesthetic issues•Intermittency
WHAT ARE THE PROS AND CONS?