DEVELOPMENT OF LABORATORY MODULE FOR SMALL WIND TURBINE CONTROL SYSTEM (Phase V) Advisor/Client: Dr. Venkataramana Ajjarapu Group MembersPosition on Team

DEVELOPMENT OF DEVELOPMENT OF LABORATORY MODULE LABORATORY MODULE

FOR SMALL WIND TURBINE FOR SMALL WIND TURBINE CONTROL SYSTEM CONTROL SYSTEM

(Phase V)(Phase V)

Advisor/Client: Dr. Venkataramana Ajjarapu

Group Members Position on Team

Adam Literski Group Leader

Josephine Namatovu Planning Lead

Eurydice Ulysses Communication Liaison

Logesh Sampathkumar

Web Master

Achila Jayasuriya Hardware Lead

Liaochao Song Software Member

Senior Design Group: MAY1329

Slide 1 of 20

Problem StatementProblem StatementDevelop a laboratory module for a small wind turbine electrical system

Serve as an educational tool for students

Intake wind speed measurements and simulate the power output to the system

Continue and build upon Phase IV’s system according to the required specifications denoted by client

Wind Turbine - MAY1329

Slide 2 of 20

Figure 1: System Setup

Market SurveyMarket Survey

Iowa – second largest producer of wind energy in the nation

Iowa State taking steps to be environmentally friendly and self-sustainable

Electrical needs steadily increasing due to population growth in the US

Growing environmental concerns and depletion of fossil fuels

Increased production of renewable resources


Slide 3 of 20

Figure 2 : Survey on Renewable Energy

Functional RequirementsFunctional RequirementsMotor 1.5 Horsepower (1.1kW)

Motor has fmax of 60 Hz & Vmax of 230V

Full load of the motor is 4.08 A & 3570 rpm

Inverter input DC voltage is between 21 and 34 volts

Turbine circuitry will supply load variation up to 400 W


Slide 4 of 20

Figure 3 : Induction Motor

Non-Functional RequirementsNon-Functional RequirementsProject technical manuals and schematics documents

Motor will be remounted onto a stable operation platform

Wiring and connections done in an understandable and professional manner


Slide 5 of 20

Figure 4 : Circuit Setup

Concept SketchConcept SketchWind Turbine - MAY1329

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Figure 5 : Concept Sketch

Functional DecompositionFunctional Decomposition


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Figure 6: Functional Decomposition

Case 1: Generation > Demand

Case 2: Generation < Demand

Case 3: Generation = Demand

Potential Risks/MitigationPotential Risks/Mitigation

Following regulations as stated in the Lab Safety Manual

Cautious handling of all lab equipment

Minimum of two people required to be present in the lab

Avoiding disorganized wiring

Keeping all work areas clean and uncluttered


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Technology PlatformTechnology Platform

Multisim – design, simulate the total systemLabVIEW – Measure RPM speed from NI USB-6009


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Figure 7: Old System

Detailed DesignDetailed Design


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Figure 8: Complete System Design

Test PlanTest Plan


Slide 11 of 20

Finished up design models (rectifier, boost, PWM)Software team joining hardware groupFinishing up testing individual components Implement design changes

Current Project StatusCurrent Project Status


Slide 12 of 20

Responsibility/Contributions Responsibility/Contributions

(Hardware)(Hardware)Hardware Team: Achila, Logeshwar, Adam

Debugged Phase IV circuitry Rectifier issues

Tested motor to measure voltage to correlate with

RPMPower source replacement


Slide 13 of 20

Responsibility/Contributions Responsibility/Contributions

(Software)(Software)Software Team: Liaochao, Eurydice, Josephine

Verified/redesigned old design limitations Rectifier, PWM, and Boost converter

Familiarized ourselves with Multisim and MATLAB Plecs platformsInnovative research on control switching voltage

device


Slide 14 of 20

Project MilestonesProject Milestones

Software:Simulated and obtained all desired output for:• Rectifier• Boost converter• Pulse Width Modulator

Hardware:Debugged individual electronic components• Rebuilt the old rectifier

Tested the motor for operating conditionsRe-wired the whole system


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Project ScheduleProject Schedule


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Figure 6: Fall 2012 Timeline

Constraints/ConsiderationsConstraints/Considerations

Controlled environment inside power lab in Coover 1102

$500 budget leaves little room for equipment malfunctions

Discrepancies in schematics and wiring diagrams from previous group's work

The system needs to be easy to use for the average undergraduate student


Slide 17 of 20

Resource/Cost EstimateResource/Cost Estimate

Funding Amount

Client – Dr. Venkataramana Ajjarapu

$500

Projected Cost Estimates Amount

New Motor ~$150

Electronic Components ~$100

Total ~$250


Slide 18 of 20

Finish testing individual components

Update Wiring Schematics

Project Documentation Manual

Build LabVIEW user interface to control the system

Real-time wind data gathering

Variable load control

Troubleshoot battery power dissipation at full capacity

Plan Looking ForwardPlan Looking Forward


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Questions?Questions?


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Documents

DEVELOPMENT OF LABORATORY MODULE FOR SMALL WIND TURBINE CONTROL SYSTEM (Phase V) Advisor/Client: Dr. Venkataramana Ajjarapu Group MembersPosition on Team