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Filtering by: Creator Schreiber, Alan S. Remove constraint Creator: Schreiber, Alan S. Advisor von Jouanne, Annette Remove constraint Advisor: von Jouanne, Annette Rights Statement In Copyright Remove constraint Rights Statement: In Copyright

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  • Evaluation of partial discharge in inverter driven medium voltage propulsion coils

    Creator:
    Ramme, André
    Abstract:
    Advancements in power electronics to higher power levels and faster switching times allow new machine and systems designs, but also create higher stresses on electric machinery insulation. High performance, pulse-width modulated (PWM) inverters are now available for medium voltage drive systems, and are being considered by the U.S. Navy as...
    Resource Type:
    Dissertation
    Full Text:
    Redacted for privacy ACKNOWLEDGMENT First, I would like to thank my major professor, Dr. Alan K

  • Investigation and comparison of generators for dynamic operation in ocean buoys

    Creator:
    Schacher, Anthony Clinton
    Abstract:
    A significantly untapped renewable energy source exists in the world's oceans. It is estimated that if 0.2% of the ocean's untapped energy could be harnessed, it could provide power sufficient for the entire world. Ocean energy extraction is an old concept, and it is currently seeing the benefit of advancing...
    Resource Type:
    Masters Thesis
    Full Text:
    professors, Dr. Alan Wallace and Dr. Annette vonJouanne, for helping to guide me through my research and for

  • Hybrid electric vehicle converter harmonics

    Creator:
    Bowers, Waylon T.
    Abstract:
    Hybrid electric vehicles (HEV’s) are a very important part of today’s transportation system as they are bridging the gap between fully electric vehicles and conventional internal combustion vehicles (ICV’s). They have much higher efficiencies and lower emissions than ICV’s, while still having the ability to travel long range and refuel...
    Resource Type:
    Masters Thesis
    Full Text:
    , Alan K. Wallace Hybrid electric vehicles (HEV’s) are a very important part of today’s

  • A direct-drive wave energy converter with contactless force transmission system

    Creator:
    Agamloh, Emmanuel B.
    Abstract:
    Commonly proposed ocean wave energy converters (OWEC) use inefficient and maintenance demanding intermediate hydraulic and pneumatic systems. We propose a novel rotary direct-drive OWEC that eliminates these intermediate stages. The new device employs a contactless force transmission system (CFTS) comprising a “piston” and a “cylinder” and a ball screw to...
    Resource Type:
    Dissertation
    Full Text:
    :______________________________________________________ Alan K. Wallace Annette R. von Jouanne Commonly proposed ocean wave

  • Hybrid electric vehicle dc-bus converter harmonics

    Creator:
    Mills-Price, Michael A.
    Abstract:
    As more advanced hybrid electric vehicles begin emerging onto the commercial market, design algorithms for their control become increasingly more complicated. One major hurdle for designers is the mitigation and control of the created high frequency harmonics caused from switching the dc voltage into an ac voltage by use of...
    Resource Type:
    Masters Thesis
    Full Text:
    Commencement June 2006 ACKNOWLEDGEMENTS I would like to thank Dr. Alan Wallace and Dr. Annette von

  • Electromagnetic analysis of energy system devices

    Creator:
    Li, Yan
    Abstract:
    Many new applications of energy system devices have been developed to save energy, improve the controllability and stability of industrial processes, and reduce the weight, volume and cost of consumer devices. Due to the novelty of these devices, traditional empirical methods and lumped-parameter circuit theory methods are not sufficient for...
    Resource Type:
    Masters Thesis
    Full Text:
    : __________________________________________________________________ Alan K. Wallace Annette von Jouanne

  • Active power filter for the cancellation of harmonic line current distortion

    Creator:
    Merk, Marcel
    Abstract:
    With the increased attention on high efficiency and energy savings, power electronic energy conversion equipment is increasingly incorporated in all levels of the power system. The drawback of such equipment is the generation of nonsinusoidal currents in the power distribution network due to the nonlinear operation. Harmonic currents may distort...
    Resource Type:
    Masters Thesis
    Full Text:
    , Dr. Molly Shor, Dr. Alan Wallace, and Dr. Jim Coakley. I would like to thank Evelyn Matheson and

  • Advanced propulsion systems for linear motion with high performance requirements

    Creator:
    Zhou, Xiaolin
    Abstract:
    Traditionally linear actuator applications are addressed by the use of hydraulic systems. The high maintenance cost and poor reliability will always be the most critical problem in the real applications. Benefited from both the high mechanical advantage of the roll screw and the simple structure of the switched reluctance motor,...
    Resource Type:
    Dissertation
    Full Text:
    like to thank my major professors, Dr. Annette von Jouanne and Dr. Alan Wallace, for their advice and

  • Novel power conditioning circuits for piezoelectric micro power generators

    Creator:
    Han, Jifeng
    Abstract:
    Advanced low power devices promote the development of micro power generators (MPGs) to replace the batteries to power them. Due to the trend in decreasing integrated circuit (IC) supply voltages, power supply designers are facing more and more serious challenges. The objective of this research is to design a power...
    Resource Type:
    Dissertation
    Full Text:
    , Dr. Karti Mayaram, Dr. Huaping Liu, and Dr. Alan K. Wallace for being my committee members and

  • Novel control of a permanent magnet linear generator for ocean wave energy applications

    Creator:
    VanderMeulen, Aaron H.
    Abstract:
    Wave energy conversion devices are a rapidly growing interest worldwide for the potential to harness a sustainable and renewable energy source. Due to the oscillatory nature of ocean waves, the power generated from a permanent magnet linear generator (PMLG) for ocean wave energy conversion is pulsed. Focusing on direct drive...
    Resource Type:
    Masters Thesis
    Full Text:
    Energy Systems Group. Special thanks go to the late Dr. Alan Wallace. His passion and knowledge are