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Electrical Engineering

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Dane Miller

on 24 June 2014

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Transcript of Electrical Engineering

Koronowski, Ryan. "Gamechanger: Next Generation Wind Turbines With
Storage Are Cheap, Reliable And Brilliant." ThinkProgress RSS. Climate Progress, 14 July 2013. Web. 18 July 2013.
"Wind and Solar Power Statistics, Facts and Trivia." Wind and Solar
Power Statistics, Facts and Trivia. Energy Matters, 2012. Web. 18 July 2013
Maehlum, Mathias Aarre. “Wind Energy Pros and Cons.” Energy
Informative. Energy Informative, 12 June 2013. Web. 11 July 2013.
“Pros & Cons of Solar Energy.” Clean Energy Ideas. Clean Energy Ideas,
n.d. Web. 11 July 2013.

As the electrical engineering group, we strive to both efficiently and effectively charge a battery pack, which would power a robot that places the top of a pyramid on its base. To accomplish this task, we used the power of wind turbines. We created different prototypes using the process of trial and error and, after much testing, discovered the best and most economical blade shape, length, and number. As a result, we figured out the optimum dimensions and produced enough voltage to charge 14-1.2V AA batteries.
Electrical Engineering

1.0 Summary
2.0 Introduction
3.0 Methods, Assumptions, and Procedures
Table of Contents

1.0 Summary
2.0 Introduction
3.0 Methods, Assumptions and, Procedures
4.0 Results and Discussion
5.0 Conclusion
4.0 Results and Discussion
5.0 Conclusion
We discovered from our testing that wind energy is a sustainable source of energy. We learned to collaborate in a team and we believe that wind energy has a great future. As engineers, our job is to continue finding newer and better ways to improve wind turbines by working in teams with people of diverse backgrounds.
6.0 References
3.1 Methods
3.2 Assumptions
3.3 Procedures
1. Group B split into 5 smaller groups and created different blade shapes.
2. Chose best blade and built from it.
3. Changed specific variables of the blade including blade length, blade width, number of blades, blade angle, and type of cardboard.
4. Used large fan as source of wind power.
5. Used multimeter to measure both the average and the maximum number of millivolts.
6. Continued building prototypes until we found the optimum shape, size, and angle of the blade.

Brought to You By: Fans of the Future
"It's a Wind-Wind Situation"
Team Mission Statement
"To harness green, affordable, and effective wind energy to supply a sustainable power source for the future."
2.1 Subject
Average wind turbine creates between 2-3 megawatts of energy.
Can be used 24 hours a day.
Price steadily decreasing
Job increase

High maintenance
May not affect a large area
Requires large spaces
Public disturbance
We discovered the problem after researching wind turbines and all of the different ways to design them.
Variables changed to find the most efficient design: length, width, shape, number of blades, and type of cardboard .
The SI system, International System of Units, was the basic measurement system we used.
While testing the different sizes and amounts of blades, we used a 30 cm ruler.
To measure the voltage that we produced from each turbine, we used a multimeter.
2.2 Purpose
The purpose of this project is to determine if wind energy is a viable source of power.
2.3 Scope

Group Mission Statement
"To utilize wind energy and produce enough electricity to power the robot so that it can accomplish its task."
Electrical Engineering
Isaiah Higgs, Sebastian Mendez, Dane Miller, Aries Rutledge, Vivian Tian
University of Michigan
Michigan Introduction to Technology and Engineering (MITE) Summer Program
19 July 2013
We found that the most efficient turbine consisted of two blades with dimensions equal to the original prototype. These turbines produced an average of 690 milliVolts. We need approximately two turbines to charge one battery efficiently.
Our findings prove the viability of wind power in general circumstances. Even with limited machinery, materials, and time, we were able to generate enough electricity to charge the 14 batteries needed to power the robot. In a real world situation, wind energy is clearly a legitimate power source.
Wind Turbine Design Efficiency
The scope was limited by our:
Dorm Life
Academic Classes
Dorm life is monitored by set curfews and schedules (if it's not on the schedule, you can't do it)
We as a group come together and share fun experiences with one another.
Each day consisted of four classes. Professional Development, Engineering Math, Technical Communications, and Engineering Concepts.
Professional Development
Engineering Math
Technical Communications
Engineering Concepts
Field Trips
U of M Dearborn
We visited the campus and classes of U of M Dearborn
Tour of Campus
We took a tour of the college of engineering
Having Some Fun
Even though we come from different places, we all still know how to have some fun as teenagers!

We thought the amount of time needed to charge the batteries would be shorter than it actually was.
We assumed our best strategy to find the most efficient turbine model was through trial and error.
We assumed that we were charging six batteries, instead of 14.
# of blades Max Volts
2 0.703
3 0.579
4 0.573

Size Max Volts
Normal 0.690
Large 0.536
Small 0.302

Angle Max Volts
Normal 0.650
Large 0.325
Small 0.703
Full transcript