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System and apparatus for power transfer to vessels

  • US 8,546,976 B2
  • Filed: 06/13/2011
  • Issued: 10/01/2013
  • Est. Priority Date: 12/12/2008
  • Status: Active Grant
First Claim
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1. A system for supplying electric power from an AC power source to ships, each of the ships being moored at a respective berth of a quay, said system comprising:

  • a rectifier, having an AC and a DC side, for converting AC electric power from the AC power source to a DC power, the AC side arranged to be connected to the AC power source, anda plurality of ship connection arrangements for supplying electric power to a respective ship, each of the ship connection arrangements placed at one of the berths and comprising an inverter configurable to output AC power at a first or a second frequency independently at each of the berths and a ship connector for connecting the ship,characterized in that the system further comprises a DC distribution network connected to the DC side of the rectifier and that the rectifier is placed at a distance from the quay and each of the inverters is connected to the DC distribution network.

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