November 6, 2003 Carlson, Wilson 1

Professor WindmillAn Educational Wind Energy System

ELM Senior Project

Dave Carlson

Jeff Wilson

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Background:

• Wind Energy Is A Blossoming Field

• Rapidly Growing Technology

• Technical Students Know Little About Wind Power

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Problem Statement

• To design and build a functioning scale replica wind turbine with added educational features.

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Solution:

• Scaled Down 550kW Model Wind Turbine

• Clear Tower And Housing

• Sensors, Data Acquisition and Feedback

• Power Conditioner for Energy Use or Storage

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Motor Controller

Power Conditioner

Data Acquisition Card

Yaw Motor

Sensors

Power

User

System Overview:

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Tower Concept #1:

• Tubular Construct• Three Separate Pieces

Fit Together• Clear To Show Insides

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Tower Concept #2:

• Trapezoidal Construct• Three Separate Pieces

Fit Together• Clear To Show Insides

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Tower Concept #3:

• Cylindrical Telescoping Construct

• Clear To Show Insides

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Tower Design Matrix:

Tower Concept

Fabrication Aesthetics Realism Stability Collapsibility Totals

Cylindrical 2 3 4 2 4 15

Trapezoidal 4 2 2 5 4 16

Telescoping 1 4 3 1 5 14

1= Bad 5=Good

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Schedule:weeks

TASKS 8 9 10 11 12 13 14 15 BREAK 1 2 3 4 5 BREAK

CONCEPT

FEASIBILITY

DESIGN

TEST

MATERIAL GATHERING

BUILD

REVISE

1

We are here

2 3 4 5 6

Critical Tests:1: Wind From Fan2: Torque Load Testing3: Tower Moment Testing4: Yaw Motor Speed / Torque5: Data Acquisition / Sensor6: Blade Torque From Fan

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Critical Tests:

• Test #1 – Can wind turn turbine blades

• Test #2 – Torque from wind speeds

• Test #3 – Is tower design stable

• Test #4 – Can yaw motor control direction

• Test #5 – Will data acquisition work

• Test #6 – Can we design a working blade

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Thank You

From Professor Windmill