A method for supplying outside energy to an onboard electrical power network of a ship, a ship with such an outside energy supply

A technology of external energy and suppliers, applied in the direction of power transmission AC network, ship auxiliary drive, electrical components, etc.

Inactive Publication Date: 2012-03-28
SIEMENS AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are sometimes no current converters available on board the ship suitable for this purpose

Method used

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  • A method for supplying outside energy to an onboard electrical power network of a ship, a ship with such an outside energy supply
  • A method for supplying outside energy to an onboard electrical power network of a ship, a ship with such an outside energy supply
  • A method for supplying outside energy to an onboard electrical power network of a ship, a ship with such an outside energy supply

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Embodiment Construction

[0041] figure 1 The ship shown in simplified form in includes: a shipboard network with a rated voltage U1 and a rated frequency f1; multiple generators 4 connected to the shipboard network 2 and each generator 4 is driven by a diesel engine 3 In order to generate power for the onboard network 2; and the load 5 connected to the onboard network 2. A motor connected to the shipboard network 2 via a smoothing choke 21 in the form of a reactive power machine (reactive power generator) 6 is used to generate reactive power for the shipboard network 2. As an alternative, the reactive power machine 6 can be directly connected to the onboard network 2.

[0042] The electric motor 7 can be coupled to the reactive power machine 6 via a transmission 8 and a switch coupling 9. The disconnected shaft 9 allows the operative coupling and decoupling of the electric motor 7 to or from the machine 6. The electric motor 7 can be connected to the shore power grid 12 via a wire 11 and can be operate...

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PUM

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Abstract

A method for supplying outside energy to an onboard electrical power network of a ship, a ship with such an outside energy supply and a retrofitting method for said outside supply. To supply outside energy to a ship's onboard electrical power network (2), with the ship (1) featuring an electrical machine (6) which, when the ship (1) is being supplied with its own energy, is driven by at least one energy source (3, 28) on board the ship, for supplying the ship's onboard network (2) with outside energy the electrical machine (6) is operated in accordance with the invention as a generator and is driven in this case with current from at least one energy source (13) outside the ship (1) such that it generates a current with the frequency and voltage of the onboard network (2) for feeding into the onboard network (2). The invention is particularly suitable for retrofitting an outside energy supply on board a ship.

Description

Technical field [0001] The present invention relates to a method for supplying energy to a ship's onboard electric power network as claimed in claim 1 and a ship with an external energy supply as claimed in claim 10. A method for retrofitting such an external energy supply is the subject of claim 16. Background technique [0002] From WO 2004 / 028899 A1, it is known that the ship’s onboard electric power network supplies electrical energy for the ship’s electric drive motors (motor) and other loads of the ship’s diesel generators. For this method of supplying energy to the ship, the diesel generator and therefore the energy source used to operate the ship's drive engines and other loads are located on the ship's ship. The ship also has an additional diesel generator for operation while in the port, which can be connected to the shipboard network. Alternatively, the shipboard network can be powered via an onshore connection. For this type of external energy supply of the shipboa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/34H02J3/40B63J3/04H02P9/04
CPCH02J3/40H02J3/34H02P9/04B63J2003/043B63J3/04H02J2310/42
Inventor K.蒂格斯B.德弗里斯
Owner SIEMENS AG
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