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Fuel Cell Integration to a DC Power System

Team QuEST Quiet Energy Systems Technologies. Fuel Cell Integration to a DC Power System. Acoustic Research Detachment (ARD). Located in Bayview, Idaho A division of Naval Surface Warfare Center Carderock Division (NSWCCD). Advanced Electric Ship Demonstrator (AESD).

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Fuel Cell Integration to a DC Power System

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  1. Team QuEST Quiet Energy Systems Technologies Fuel Cell Integration to a DC Power System

  2. Acoustic Research Detachment (ARD) • Located in Bayview, Idaho • A division of Naval Surface Warfare Center Carderock Division (NSWCCD)

  3. Advanced Electric Ship Demonstrator (AESD)

  4. AESD Power Flow Diagram • Diesel Generator • Battery

  5. AESD Power Flow Diagram • Diesel Generator • Battery

  6. AESD Power Flow Diagram • Diesel Generator • Battery

  7. AESD Limitations • Diesel generator • Noisy • Limited power production • Battery • Limited run time • Long recharge time

  8. Considered Fuel Cells • Quiet energy production • =====

  9. AESD Electrical Specifications

  10. Design Scope and Goal • Design power electronics for a fuel cell integration on board AESD

  11. Design Method

  12. Design Method

  13. Design Method

  14. Design Method

  15. Design Method

  16. AESD Power Flow Diagram • Diesel Generator • Battery

  17. Simplified Integration Topology DC-DC Converter

  18. Fuel Cell Technologies

  19. PEM Fuel Cell Operation

  20. Ballard’s Heavy-Duty Fuel Cell Module (HD-6) NEED 600kW • Currently used in transportation • 19.6 cu. ft per module • 770lbs per module • 149ºF nominal operating temp

  21. PEM Fuel Cell Steady-State Response

  22. ATP/EMTP Model Variable DC Source 26kHz H-bridge Proprietary H-bridge – (Motor Drive) Bridge Rectifier LC Filter Rim Jet

  23. ATP/EMTP Model H-bridge Output

  24. ATP/EMTP Model PWM Gate Signal

  25. ATP/EMTP Model DC Output

  26. ATP/EMTP Model DC Output

  27. 10:1 Lab Scale Model

  28. 10:1 Lab Scale Model PWM

  29. 10:1 Lab Scale Model Mosfet Driver

  30. 10:1 Lab Scale Model Lo Side Mosfet Hi Side Mosfet

  31. 10:1 Lab Scale Model 26kHz Transformer 1:2

  32. 10:1 Lab Scale Model Bridge Rectifier

  33. 10:1 Lab Scale Model Voltage Dividing Feedback

  34. Data Correlation Simulated PWM Output Actual PWM Output Simulated H-bridge Output Actual H-bridge Output

  35. Data Correlation More oscope graphs here once we get them this afternoon

  36. Summary • - Established specifications • Created several computer simulated models • Pspice • MATLAB • ATP/EMTP • Designed a power electronic converter • Built a 10:1 DC-DC converter scale model • 71.4VDC nominal • 2kW Maximum • 26.7kHz switching frequency • Physical model testing/designed feedback • Detailed report/analysis

  37. Remaining Work • Transient Analysis • Power supply for DC electronics • Hydrogen storage/reforming • Interface/control circuitry • Physical fuel cell testing • 714VDC power electronic testing • Detailed cost analysis

  38. Acknowledgements SUPPORT Dr. Herb Hess – University of Idaho Dr. Brian Johnson – University of Idaho Dr. Fred Barlow – University of Idaho James Klein – University of Idaho John Finley – University of Idaho Leo Luckose – University of Idaho Greg Klemesrud – University of Idaho SPONSORS Alan Griffitts – NSWCCD-ARD Karl Sette – NSWCCD-ARD Frank Jurenka - NSWCCD-ARD

  39. Questions??

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