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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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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)
AESD Power Flow Diagram • Diesel Generator • Battery
AESD Power Flow Diagram • Diesel Generator • Battery
AESD Power Flow Diagram • Diesel Generator • Battery
AESD Limitations • Diesel generator • Noisy • Limited power production • Battery • Limited run time • Long recharge time
Considered Fuel Cells • Quiet energy production • =====
Design Scope and Goal • Design power electronics for a fuel cell integration on board AESD
AESD Power Flow Diagram • Diesel Generator • Battery
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
ATP/EMTP Model Variable DC Source 26kHz H-bridge Proprietary H-bridge – (Motor Drive) Bridge Rectifier LC Filter Rim Jet
ATP/EMTP Model H-bridge Output
ATP/EMTP Model PWM Gate Signal
ATP/EMTP Model DC Output
ATP/EMTP Model DC Output
10:1 Lab Scale Model Mosfet Driver
10:1 Lab Scale Model Lo Side Mosfet Hi Side Mosfet
10:1 Lab Scale Model 26kHz Transformer 1:2
10:1 Lab Scale Model Bridge Rectifier
10:1 Lab Scale Model Voltage Dividing Feedback
Data Correlation Simulated PWM Output Actual PWM Output Simulated H-bridge Output Actual H-bridge Output
Data Correlation More oscope graphs here once we get them this afternoon
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
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
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