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Modeling, Simulation, and Experimental Validation of a Generation System for Medium-Voltage DC Integrated Power Systems

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6 Author(s)
Sulligoi, G. ; Dept. of Electr., Electron. & Comput. Eng., Univ. of Trieste, Trieste, Italy ; Tessarolo, A. ; Benucci, V. ; Baret, M.
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In this paper, a demonstrative technological implementation of a shipboard 2.15-MVA generation system is described, along with its modeling, numeric simulation, and some factory tests. The system, named Naval Package (NP), is part of a demonstrative program commissioned by Italian Navy for preliminary evaluations of medium-voltage dc supply technologies aimed at equipping its future vessels. The NP is made by a dual-star alternator, whose two stator three-phase windings feed two full-bridge diode rectifiers, respectively. The alternator (rated speed 6300 r/min) is designed to be moved by a 22 000-r/min gas turbine through a gearbox. This paper will present NP innovative issues, with reference to design solutions, operative requirements, dynamic modeling under normal and faulty conditions, and some factory tests.

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Industry Applications, IEEE Transactions on  (Volume:46 ,  Issue: 4 )