Electric energy supply system for a ship, in particular a...

Details Electric energy supply system for a ship, in particular a... Electric energy supply system for a ship, in particular a...

2007-02-06

2007-02-06

Olson, Lars A. (Department: 3617)

Marine propulsion

Electric drive for propelling means

C440S001000

Reexamination Certificate

active

10497150

ABSTRACT:
The invention relates to an electric energy supply system for a ship, in particular for a navy ship that can be operated with a low IR signature and that is configured as an <<all electric ship>> (AES). Said system comprises a direct current network (DC), supplied by fuel cells, as a ship electrical system and network for normal propulsion and an alternating current network (AC) comprising generators, in particular for generating energy for high-speed propulsion. According to the invention, the generators are motor-driven, e.g. by means of at least one gas turbine or one diesel motor, preferably supercharged and the AC and DC network are interconnected in such a way that electric energy can be exchanged between them, in particular that electric energy can be withdrawn from the DC network and transferred to the AC network to start the motor-driven propulsion.

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