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Wind Turbine Energy Conversion System Design and Integration

Advisor: Venkataramana Ajjarapu May 10-17 Project Team Elsammani Ahmed Hassan Burawi Brandon Janssen Kenneth Thelen. Wind Turbine Energy Conversion System Design and Integration. Functional Requirements. Supply stand-alone load Simulate wind Maximize turbine power use

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Wind Turbine Energy Conversion System Design and Integration

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  1. Advisor: Venkataramana Ajjarapu May 10-17 Project Team Elsammani Ahmed Hassan Burawi Brandon Janssen Kenneth Thelen Wind Turbine Energy Conversion System Design and Integration

  2. Functional Requirements • Supply stand-alone load • Simulate wind • Maximize turbine power use • Display turbine and battery power • Measure turbine speed

  3. Resource Requirements

  4. Schedule

  5. Wind Turbine/Inverter • Air X 400W • 24VDC • Internal voltage regulation/charge control • Outback GTFX2524 • 24VDC • 2500VA Operation • Grid-tie Inverter • Internal over current and under voltage protection

  6. Three Operating Situations • Wind Power=Load • Wind Power<Load • Wind Power>Load 200W 0W 200W 100W 200W 100W 300W 100W 200W

  7. Turbine Drive • Turbine coupled with 3-phase induction motor • Motorcontrolled with adjustable power supply • Kikusui PCR 6000W • Power supply controlled with LabVIEW

  8. DC Sensors • LEM LA 55-P Current Transducer • Battery and Turbine Current • Voltage Divider

  9. RPM Sensor • Hardware Design • NI USB 6008 DAQ • LabVIEW • Universal Use Receiver Transmitter

  10. LabVIEW Interface • Sensor Readings • Motor Control • Charge Control

  11. Sensor Readings • Read values in from sensors • Used DAQ, NI USB-6008 • Multiplied readings • Voltage by 7.926 • Current by 10

  12. Motor Control • Provided by Zhongjian Kang • Used from library • On/Off • Voltage and Frequency control • Single input • Ratio of 220 V / 50 Hz

  13. Charge Control • Done using conditional statements • Compared battery voltage • Compared battery current

  14. Testing • Sensor Readings • With power supplies • In system • Changed voltage multiple • Motor Control • With complete system • Problems • Delayed Response • Charge Control • Unable to use • Needs values from battery • Manual operation • RPM Sensor • Hardware • DAQ and Software • Fluctuations • In System

  15. Testing(contd.) • DC Sensors • Verified with analog sensor readings • Motor Coupling • Vibrations • Proper Leveling

  16. Power vs Speed

  17. Conclusion In the beginning of this project, we had very high hopes. There were a lot of different aspects we hoped to expand upon from the previous group, and a lot of interesting ideas we wanted to implement. Unfortunately, due to the budget constraints halting the installation of the turbine outside, and the loss of much of the previous teams work, many of these ideas were not realized. However, we are happy that we have provided a more professional and useable test-bed for the turbine, as well as a RPM sensor that may be used for a plethora of different projects in the future. Our only objective that we expected to deliver upon and failed was the full utilization of available wind power. Throughout this semester, many different solutions for this problem were brought up, but each of them failed to accomplish what we wanted. The final idea of simulating pitch control through the software interface is one that we are confident will work, but bugs in the design of the control as well as time constraints on designing and testing it have made it impossible to complete. All of this being said, our group wishes to thank Zhongjian Kang, Lee Harker, and Dr. Ajjarapu for all their help and support throughout the project.

  18. Questions?

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