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Wind turbine for hurricane-prone regions

Wind turbine for hurricane-prone regions. Senior Design Team 12 : Chase Bryant Alexandra Callich Jonathan Meyer-Senior Elliot Popper Rayford Rahming Christian Scott. Wind Turbines Fail in Hurricane Conditions. Brake Failure Resulting in Blade and Structure Destruction.

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Wind turbine for hurricane-prone regions

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  1. Wind turbineforhurricane-prone regions Senior Design Team 12: Chase Bryant Alexandra Callich Jonathan Meyer-Senior Elliot Popper RayfordRahming Christian Scott

  2. Wind Turbines Fail in Hurricane Conditions Brake Failure Resulting in Blade and Structure Destruction

  3. Brake Failure Resulting in an Explosion Structural Failure Resulting in Collapse

  4. Problem Statement Develop a conventional wind turbine capable of surviving hurricane-force wind conditions. Specifications • Capable of conventional turbine functionality • Capable of survival in hurricane force winds • Environmental-friendly • Economically feasible

  5. Design Decisions

  6. Turbine Concepts 3. Darreus Vertical-Axis 2. Savonius Vertical-Axis 1. Horizontal-Axis

  7. Decision Matrix

  8. Current Technology • Manual Tilt and Cable Method

  9. Structural Concepts 1. Quadruped Foundation with Hinged Tower 3. Hinged-Cable Assisted 2. Reinforced-Traditional

  10. Decision Matrix

  11. Final Design Horizontal-Axis Turbine Quadruped-Foundation Hinged Tower with Counterweight • Systems • Induction Generator System • Control System • Braking System • Hydraulic Drive System Wind Turbine

  12. Operation

  13. Design Advantages • During high winds, turbine not • active • exposed • Structure durable in high winds • Ease of Fabrication and Construction • Ease of Access for Maintenance and Repairs

  14. Design Disadvantages • Debris present at lowered position • Transportation will take longer due to heavier components • Hinge fatigue • Dilemma  Height Restriction

  15. Increasing Energy Generation

  16. Hydraulics 1. Cylinder chosen 2. System designed around cylinder and lift.

  17. Microcontroller Flow Chart

  18. Simplified Circuit Vin Hydraulic Pump Up Down Vout Switch Auto Relay Auto Relay Arduino + V Battery -

  19. Fabrication of Prototype

  20. Structure Upper Assembly Hinge Bearing Leg Tower

  21. Materials Wind Turbine – Induction Generator Microcontroller Data-Logging Anemometer New Turbine Blades

  22. Materials (continued) Hydraulic Power Unit with Solenoid Control Switch Hydraulic Cylinder

  23. Located in Thomasville, GA. Southern Division focuses primarily on the Southeast Greg Orff – General Manager

  24. Machine Shop Cutting pipes at 60° angles Completed Legs Welding on Gusset Plates

  25. Machine Shop (continued) Completed Upper Assembly Welding of Upper Assembly Drilling holes in Gusset Plates

  26. Assembled Structure Upper Assembly and Legs

  27. Full Assembly

  28. Video

  29. Safety Concerns

  30. Risk Assessment • At night Turbines display flashing red lights Wildlife • Birds • Scientists found that birds simply fly around the farm, or between the turbines; less than 1% are in danger of colliding with the giant structures. • Bats • Attracted to Turbines • Research on an Ultrasonic Deterrent underway

  31. Challenges Encountered • Delays in component procurement • Minor design adjustments for machine shop production • Assistance needed in implementing electrical components • Output of anemometer difficult to work with • Discovery of permanent placement for prototype

  32. Summary • Successful design of turbine system for hurricane-prone regions • Fabrication of a prototype • Structurally sound with little to no stresses that may cause failure or fatigue • Fail-safes implemented to account for any malfunctions

  33. Questions?

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