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DEVELOPMENT OF LABORATORY MODULE FOR SMALL WIND TURBINE CONTROL SYSTEM (Phase V)

Develop an educational tool for students to measure wind speed and simulate power output. Build upon Phase IV system to meet required specifications from client.

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DEVELOPMENT OF LABORATORY MODULE FOR SMALL WIND TURBINE CONTROL SYSTEM (Phase V)

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  1. DEVELOPMENT OF LABORATORY MODULE FOR SMALL WIND TURBINE CONTROL SYSTEM (Phase V) Advisor/Client: Dr. Venkataramana Ajjarapu Senior Design Group: MAY1329 Slide 1 of 20

  2. Wind Turbine - MAY1329 Problem Statement • Develop 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 Figure 1: System Setup Slide 2 of 20

  3. Wind Turbine - MAY1329 Market 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 Figure 2 : Survey on Renewable Energy Slide 3 of 20

  4. Wind Turbine - MAY1329 Functional Requirements • Motor 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 Figure 3 : Induction Motor Slide 4 of 20

  5. Wind Turbine - MAY1329 Non-Functional Requirements • Project technical manuals and schematics documents • Motor will be remounted onto a stable operation platform • Wiring and connections done in an understandable and professional manner Figure 4 : Circuit Setup Slide 5 of 20

  6. Wind Turbine - MAY1329 Concept Sketch Figure 5 : Concept Sketch Slide 6 of 20

  7. Wind Turbine - MAY1329 Case 1: Generation > Demand Case 2: Generation < Demand Case 3: Generation = Demand Functional Decomposition Figure 6: Functional Decomposition Slide 7 of 20

  8. Wind Turbine - MAY1329 Potential 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 Slide 8 of 20

  9. Wind Turbine - MAY1329 Technology Platform • Multisim – design, simulate the total system • LabVIEW – Measure RPM speed from NI USB-6009 Figure 7: Old System Slide 9 of 20

  10. Wind Turbine - MAY1329 Detailed Design Figure 8: Complete System Design Slide 10 of 20

  11. Wind Turbine - MAY1329 Test Plan Slide 11 of 20

  12. Wind Turbine - MAY1329 Current Project Status • Finished up design models (rectifier, boost, PWM) • Software team joining hardware group • Finishing up testing individual components • Implement design changes Slide 12 of 20

  13. Wind Turbine - MAY1329 Responsibility/Contributions (Hardware) • Hardware Team: Achila, Logeshwar, Adam • Debugged Phase IV circuitry • Rectifier issues • Tested motor to measure voltage to correlate with • RPM • Power source replacement Slide 13 of 20

  14. Wind Turbine - MAY1329 Responsibility/Contributions (Software) • Software Team: Liaochao, Eurydice, Josephine • Verified/redesigned old design limitations • Rectifier, PWM, and Boost converter • Familiarized ourselves with Multisim and MATLAB Plecs platforms • Innovative research on control switching voltage • device Slide 14 of 20

  15. Wind Turbine - MAY1329 Project 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 conditions • Re-wired the whole system Slide 15 of 20

  16. Wind Turbine - MAY1329 Project Schedule Figure 6: Fall 2012 Timeline Slide 16 of 20

  17. Wind Turbine - MAY1329 Constraints/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

  18. Wind Turbine - MAY1329 Resource/Cost Estimate Slide 18 of 20

  19. Wind Turbine - MAY1329 Plan Looking Forward • 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 Slide 19 of 20

  20. Wind Turbine - MAY1329 Questions? Slide 20 of 20

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