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Maximum Power Extraction for a Wind Turbine Generator with No Wind Speed Sensor

Maximum Power Extraction for a Wind Turbine Generator with No Wind Speed Sensor. United Arab Emirates University College of Engineering Department of Electrical Engineering. Graduation Project 2. Aaesha Shamsi 200310855 Maryam Dhanhani 200312324

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Maximum Power Extraction for a Wind Turbine Generator with No Wind Speed Sensor

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  1. Maximum Power Extraction for a Wind Turbine Generator with No Wind Speed Sensor United Arab Emirates UniversityCollege of EngineeringDepartment of Electrical Engineering • Graduation Project 2 • Aaesha Shamsi 200310855 • Maryam Dhanhani 200312324 • Khadejah Zeyoudi 200312457 • Supervisor: Dr Hassan Nikkhajoei • Spring 2009

  2. Outline • Renewable Energy • Step By Step to Reach • Objectives • Wind Conversion System • Microcode Studio Plus • Components • Implemented System • Testing & Results • EAGLE • Soldering & Wire Wrapping • Environmental Issues • Conclusions & Recommendations

  3. Renewable Energy Renewable energy has become one of the most important areas of research and development

  4. Step By Step To Reach

  5. Objectives • Investigate effectiveness of the proposed maximum power tracking method and compare its performance with that of the conventional methods through computer simulations • Implement and test a laboratory-scale wind energy system to demonstrate viability and effectiveness of the proposed maximum power tracking method

  6. Wind Conversion System Transformer Generator Wind Turbine Capacitor Three phase rectifier Threephase inverter Powergrid

  7. Microcode Studio Plus • Program most PIC 16F87x (A) and 18Fxxx(x)

  8. Microcode Studio Plus • PIC 16F877 was used

  9. Microcode Studio Plus Code 360o 20 ms 60o x X = (60 x 20)/360 = 3.3 ms

  10. Components • Components to implement the rectifier: • Microcontroller (PIC16F877) • Optocouplers (4N32) • Drivers (IR2304) • Plus transformers (PT4E) • IGBTs (TO-220AB)

  11. Components • Microcontroller: • Small and low-cost type of computer that runs a program stored in non-volatile memory.

  12. Components • Driver: • Link between the microcontroller and pulse transformer • Translate the low energy reference signals from the microcontroller into high energy power signals to the pulse transformer

  13. Components • Pulse transformer : • Type of pulse transformer is PT4E • Minimize voltage drop, , rise time, and pulse distortion

  14. Components • IGBT: insulated gate bipolar transistor

  15. Components • Optocoupler: • Isolated data between subsystems with different voltage levels

  16. Implementation

  17. Implementation

  18. Microcontroller GND 5V • Optocoupler (4N32) Microcontroller (PIC16F877)

  19. Three Phase Bridge Rectifier

  20. Three Phase Bridge Rectifier 15V GND • Driver (IR2304) • IGBT (TO-220AB) 1k Ω • 8 • 8 1μ • 7 • 3 3 • 3 • 6 • 6 10μ • 5 • 4 • 4 • 4 1k Ω

  21. Three Phase Bridge Rectifier

  22. PI Controller

  23. Implementation of PI Controller Op-amp (LM741CN)

  24. Implementation of PI Controller

  25. Testing & Results

  26. Testing

  27. Testing Microcontroller Before Adding Optocouplers

  28. Testing Microcontroller After Adding Optocouplers

  29. Testing and Results PIC Microcontroller

  30. Testing and Results PIC Microcontroller & Optocoupler Output Input

  31. Testing and Results Output of the first and the forth optocoupler 1/50Hz = 20 ms 360o 20 ms 180 10 ms

  32. Testing and Results Driver input &output Input Output Output

  33. Testing and Results The high and the low output of the driver

  34. Testing and Results The output of the three phase rectifier Theoretical Output Actual Output

  35. PCB & EAGLE Correction EAGLE Schematic PIC socket Optocoupler IGBT Pulse transformer Driver

  36. PCB & EAGLE Correction EAGLE Layout

  37. PCB

  38. Soldering & Wire Wrapping

  39. Strip Board

  40. Environmental Issues

  41. Environmental Issues

  42. Bird Kills &Trees Cut

  43. Conclusions • Three phase bridge rectifier is implemented • Some of the results was as expected

  44. Questions

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