Modeling and Simulation of Electric Propulsion Concepts for a Multimodal Prototype Demonstrator
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The Office of Naval Research (ONR) is planning a prototype demonstration of a novel craft envisioned to have three modes of operation: Fuel-efficient, good sea keeping mode for open ocean transits, High-speed, shallow water mode, Amphibious mode to enable “feet dry on thebeach” capability The disparate operating modes impose discrete requirements on the various elements of the ship propulsion system, opening a wide range of potential solutions. To meet these requirements, each of the contractor teams involved in the T-Craft program is investigating the potential use of advanced electric drive technologies, including medium voltage dc distribution systems. The Electric Ship Research and Development Consortium (ESRDC) conducted a technical evaluation of three electric drive options. This paper discusses the modeling and simulation activities conducted during the initial technical evaluations of the electric drive concepts as well as challenges and potential solutions for higher fidelity modeling of the complex propulsion power systems.