WO2017088989A1 - Device for supplying the electrical system of a ship with shore power - Google Patents

Device for supplying the electrical system of a ship with shore power Download PDF

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Publication number
WO2017088989A1
WO2017088989A1 PCT/EP2016/063771 EP2016063771W WO2017088989A1 WO 2017088989 A1 WO2017088989 A1 WO 2017088989A1 EP 2016063771 W EP2016063771 W EP 2016063771W WO 2017088989 A1 WO2017088989 A1 WO 2017088989A1
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WO
WIPO (PCT)
Prior art keywords
connection
ship
switch
shore
electrical system
Prior art date
Application number
PCT/EP2016/063771
Other languages
German (de)
French (fr)
Inventor
Bozidar PETROVIC
Original Assignee
NSB Niederelbe Schiffahrtsgesellschaft mbH & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NSB Niederelbe Schiffahrtsgesellschaft mbH & Co. KG filed Critical NSB Niederelbe Schiffahrtsgesellschaft mbH & Co. KG
Publication of WO2017088989A1 publication Critical patent/WO2017088989A1/en

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks
    • H02J3/34—Arrangements for transfer of electric power between networks of substantially different frequency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J3/00—Driving of auxiliaries
    • B63J3/04—Driving of auxiliaries from power plant other than propulsion power plant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J3/00—Driving of auxiliaries
    • B63J3/04—Driving of auxiliaries from power plant other than propulsion power plant
    • B63J2003/043—Driving of auxiliaries from power plant other than propulsion power plant using shore connectors for electric power supply from shore-borne mains, or other electric energy sources external to the vessel, e.g. for docked, or moored vessels
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/42—The network being an on-board power network, i.e. within a vehicle for ships or vessels

Definitions

  • the invention relates to a device for supplying the electrical system of a ship with shore power according to claim 1.
  • the electrical system voltage of a ship is usually 440 volts. These are used to power engines, kitchens, pumps, fuel pumps, etc.
  • the other networks concerned are connected via transformers to the on-board network with 440 volts.
  • a shore power supply of 6,600 volts is provided in ports.
  • the EU 50 Hertz are provided on land, while the electrical system usually provides a 60 Hertz voltage. In this case, a frequency conversion must be provided for the shore power supply.
  • the invention has for its object to provide a device for supplying the electrical system of a ship with shore power, which manages with a small amount of electrical installation and components.
  • the ship-side connection to the electrical connection between a medium-voltage operated consumer and a transformer is connected, which transforms the vehicle electrical system voltage in medium voltage.
  • a first switch is arranged in the electrical connection between the ship-side shore connection and the consumer.
  • the invention is based on the recognition that a medium-voltage consumer is connected on board a ship via a transformer to the electrical system.
  • this transformer is used to feed shore power in the shipboard network.
  • a switch in the connection between the transformer and the consumer ensures that the consumer is switched off when supplying electricity to the shore.
  • the invention aims at the conversion of existing ships (retrofit). In newly built ships, the land exclusion is integrated into the electrical system, so that a conversion is not required.
  • the adaptation of the ship-side connection to a land network supply is extremely simple in the invention.
  • a transformer for converting the shore-side medium voltage in the ship's electrical system voltage is already present on the ship. All that is required is a changeover switch to switch off the load when the shore power supply is switched on.
  • the single figure shows schematically a circuit arrangement according to the device according to the invention.
  • 10 indicates a three-phase electrical system for a ship, which is powered by three diesel generators DG 1 to DG3 via switches 12, 14 and 16, for example.
  • Other networks that normally have ships in addition, for example for 220 and 24 volts, are not shown here. They are powered by the electrical system 10 via appropriate converter.
  • a transverse thruster From the electrical system 10 and an electric drive 18 is supplied to a transverse thruster, via a transformer 20. This converts the usual 440 volt vehicle electrical system voltage in a medium voltage, for example, 6,600 volts. The conversion is due to the high power consumption of the drive 18 and the possibility of using relatively thin cables. Between the primary development of the transformer 20 and the vehicle electrical system 10, a switch 22 is arranged, which is closed to actuate the transverse thruster.
  • the compounds LI to L3 of a three-phase land network can be seen, which is operated with medium voltage.
  • This is associated with a switch 26, which is preferably operated protected by means of vacuum pumps.
  • the shore connection is connected to the electrical connection between the transformer 20 and the drive 18 via an electrical land network connection.
  • a first switch 30 is arranged, which is mechanically and / or electrically coupled to a second switch 32 in the connection between the land connection and the electrical connection between the transformer and drive 18. If the switch 32 is closed, there is a supply of On-board network 10 via the transformer 20 with the switch closed 22.
  • the shore-side medium voltage is thus transformed to the vehicle electrical system voltage, via a transformer that is already present on board the ship.
  • the switch 30 is naturally opened so that the drive 18 remains switched off. It is understood that in the land supply of the electrical system 10 of the switch 22 is closed.
  • control of the switches can be accomplished by a suitable control circuit, which will not be further explained here. Also to the training and the drive of the individual switches more detailed versions are not made, since they are state of the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Inverter Devices (AREA)

Abstract

The invention relates to a device for supplying the electrical system of a ship with shore power, comprising a connection on the ship for a plug-in connection to a shore network connection and a transformer for converting the shore-network medium voltage to electrical-system voltage, wherein the ship-side connection is connected to the electrical connection between a load operated with medium voltage and a transformer, which transforms the electrical-system voltage into medium voltage, and a first switch is arranged in the electrical connection between the ship-side shore connection and the load.

Description

Vorrichtung zur Versorgung des Bordnetzes eines Schiffes mit Landstrom  Device for supplying the electrical system of a ship with shore power
Die Erfindung bezieht sich auf eine Vorrichtung zur Versorgung des Bordnetzes eines Schiffes mit Landstrom nach Anspruch 1. The invention relates to a device for supplying the electrical system of a ship with shore power according to claim 1.
Seeschiffe stellen auf See und im Hafen ihre Stromversorgung mit Dieselgeneratoren sicher. Die Abgase der laufenden Dieselmotoren auch im Hafen stellen eine erhebliche Umweltbelastung der Hafenstädte dar, sodass derzeit dazu übergegangen wird, die Schiffe landseitig im Hafen mit Strom zu versorgen. Seagoing ships ensure their power supply with diesel generators at sea and in the harbor. The exhaust gases of the running diesel engines also in the port represent a significant environmental impact of the port cities, so that is currently going on to supply the ships shore side in the harbor with electricity.
Die Bordnetzspannung eines Schiffes beträgt im Regelfall 440 Volt. Hiermit werden Motoren, die Küche, Pumpen, Brennstoffpumpen usw. versorgt. Darüber hinaus gibt es ein Netz für 220 Volt, zum Beispiel für Steckdosen und Licht sowie auch ein 24 Volt-Netz. Die betreffenden weiteren Netze sind über Transformatoren an das Bordnetz mit 440 Volt angeschlossen. The electrical system voltage of a ship is usually 440 volts. These are used to power engines, kitchens, pumps, fuel pumps, etc. In addition, there is a network for 220 volts, for example for sockets and light as well as a 24 volt network. The other networks concerned are connected via transformers to the on-board network with 440 volts.
Für Containerschiffe und auch andere Handelsschiffe wird in Häfen eine Landstromversorgung von 6.600 Volt bereitgestellt. In der EU werden landseitig 50 Hertz zur Verfügung gestellt, während das Bordnetz in der Regel eine 60 Hertz-Spannung zur Verfügung stellt. In diesem Fall muss bei der Landstromversorgung eine Fre- quenzumrichtung vorgesehen werden. For container ships and other merchant ships, a shore power supply of 6,600 volts is provided in ports. In the EU 50 Hertz are provided on land, while the electrical system usually provides a 60 Hertz voltage. In this case, a frequency conversion must be provided for the shore power supply.
Auf Schiffen gibt es im Übrigen eine Mittelspannungsversorgung von 6.600 Volt für Verbraucher, die eine hohe Leistungsaufnahme haben, zum Beispiel Bugstrahlruder oder Hauptschmierölpumpen. Hauptgrund für die Anwendung von Mittelspannung ist, dass dünnere Kabel verwendet werden können. Damit besitzt der Verbraucher kleinere Abmessungen und hat geringere thermische Verluste. Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung zur Versorgung des Bordnetzes eines Schiffes mit Landstrom zu schaffen, die mit einem geringen Aufwand an elektrischer Installation und Bauteilen auskommt. Incidentally, on ships there is a 6,600 volt medium-voltage supply for consumers who have high power consumption, for example bow thrusters or main lubricating oil pumps. The main reason for using medium voltage is that thinner cables can be used. Thus, the consumer has smaller dimensions and has lower thermal losses. The invention has for its object to provide a device for supplying the electrical system of a ship with shore power, which manages with a small amount of electrical installation and components.
Diese Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst. This object is solved by the features of claim 1.
Bei der erfindungsgemäßen Vorrichtung ist der schiffsseitige Anschluss an die elektrische Verbindung zwischen einem mit Mittelspannung betriebenen Verbraucher und einem Transformator angeschlossen, welcher die Bordnetzspannung in Mittelspannung transformiert. In der elektrischen Verbindung zwischen dem schiffs- seitigen Landanschluss und dem Verbraucher ist ein erster Schalter angeordnet. In the device according to the invention, the ship-side connection to the electrical connection between a medium-voltage operated consumer and a transformer is connected, which transforms the vehicle electrical system voltage in medium voltage. In the electrical connection between the ship-side shore connection and the consumer, a first switch is arranged.
Bei der Erfindung wird von der Erkenntnis ausgegangen, dass ein Mittelspannungsverbraucher an Bord eines Schiffes über einen Transformator an das Bordnetz angeschlossen ist. Bei der Erfindung wird dieser Transformator dazu verwendet, Landstrom in das Schiffsbordnetz einzuspeisen. Ein Schalter in der Verbindung zwischen Transformator und Verbraucher sorgt dafür, dass bei der Landeinspeisung von Strom der Verbraucher abgeschaltet ist. The invention is based on the recognition that a medium-voltage consumer is connected on board a ship via a transformer to the electrical system. In the invention, this transformer is used to feed shore power in the shipboard network. A switch in the connection between the transformer and the consumer ensures that the consumer is switched off when supplying electricity to the shore.
Die Erfindung zielt auf die Umrüstung von Bestandsschiffen (Retrofit) ab. Bei neugebauten Schiffen wird der Landausschluss in das Bordnetz integriert, sodass ein Umbau nicht erforderlich ist. The invention aims at the conversion of existing ships (retrofit). In newly built ships, the land exclusion is integrated into the electrical system, so that a conversion is not required.
Die Anpassung des schiff sseitigen Anschlusses an eine Landnetz Versorgung gestaltet sich bei der Erfindung äußerst einfach. Ein Transformator zur Umwandlung der landseitigen Mittelspannung in die schiffsseitige Bordnetzspannung ist am Schiff bereits vorhanden. Es ist lediglich ein Umschalter erforderlich, um bei Landstrom- einspeisung den Verbraucher abzuschalten. Darüber hinaus ist es nach einer Ausgestaltung der Erfindung zweckmäßig, wenn in der Verbindung des schiffsseitigen Anschlusses mit der elektrischen Verbindung zwischen Transformator und Verbrau- eher ein zweiter Schalter angeordnet ist, der vorzugsweise mit dem ersten Schalter so gekoppelt ist, dass bei einer Landstromeinspeisung der zweite Schalter geschlossen ist und der erste Schalter automatisch geöffnet wird, damit der Verbraucher abgeschaltet ist. The adaptation of the ship-side connection to a land network supply is extremely simple in the invention. A transformer for converting the shore-side medium voltage in the ship's electrical system voltage is already present on the ship. All that is required is a changeover switch to switch off the load when the shore power supply is switched on. Moreover, according to one embodiment of the invention, it is expedient if in the connection of the ship-side connection with the electrical connection between transformer and consumer rather a second switch is arranged, which is preferably coupled to the first switch so that when a shore power feed the second switch is closed and the first switch is automatically opened, so that the consumer is turned off.
Die Erfindung wird nachfolgend anhand einer Zeichnung näher erläutert. The invention will be explained in more detail with reference to a drawing.
Die einzige Figur zeigt schematisch eine Schaltungsanordnung gemäß der Vorrichtung nach der Erfindung. The single figure shows schematically a circuit arrangement according to the device according to the invention.
In der Figur bezeichnet 10 ein dreiphasiges Bordnetz für ein Schiff, das beispielsweise von drei Dieselgeneratoren DG 1 bis DG3 über Schalter 12, 14 und 16 versorgt wird. Übrige Netze, die Schiffe normalerweise noch zusätzlich haben, beispielsweise für 220 und 24 Volt, sind hier nicht dargestellt. Sie werden vom Bordnetz 10 über entsprechende Wandler versorgt. In the figure, 10 indicates a three-phase electrical system for a ship, which is powered by three diesel generators DG 1 to DG3 via switches 12, 14 and 16, for example. Other networks that normally have ships in addition, for example for 220 and 24 volts, are not shown here. They are powered by the electrical system 10 via appropriate converter.
Vom Bordnetz 10 wird auch ein elektrischer Antrieb 18 für ein Querstrahlruder versorgt, und zwar über einen Transformator 20. Dieser wandelt die übliche 440 Volt Bordnetzspannung in eine Mittelspannung, von zum Beispiel 6.600 Volt um. Die Umwandlung geschieht wegen der hohen Leistungsaufnahme des Antriebs 18 und der Möglichkeit, relativ dünne Kabel zu verwenden. Zwischen der Primärentwicklung des Transformators 20 und dem Bordnetz 10 ist ein Schalter 22 angeordnet, der zur Betätigung des Querstrahlruders geschlossen wird. From the electrical system 10 and an electric drive 18 is supplied to a transverse thruster, via a transformer 20. This converts the usual 440 volt vehicle electrical system voltage in a medium voltage, for example, 6,600 volts. The conversion is due to the high power consumption of the drive 18 and the possibility of using relatively thin cables. Between the primary development of the transformer 20 and the vehicle electrical system 10, a switch 22 is arranged, which is closed to actuate the transverse thruster.
In dem gestrichelt gezeichneten Kasten 24 sind die Verbindungen LI bis L3 eines Drehstromlandnetzes zu erkennen, das mit Mittelspannung betrieben ist. Diesen ist ein Schalter 26 zugeordnet, der vorzugsweise mittels Vakuumpumpen geschützt betrieben wird. Über eine elektrische Landnetzverbindung ist somit bei geschlossenem Schalter 26 der Landanschluss mit der elektrischen Verbindung zwischen Transformator 20 und Antrieb 18 verbunden. Zwischen diesem Verbindungspunkt und dem Antrieb 18 ist ein erster Schalter 30 angeordnet, der mechanisch und/oder elektrisch gekoppelt ist mit einem zweiten Schalter 32 in der Verbindung zwischen dem Landanschluss und der elektrischen Verbindung zwischen Transformator und Antrieb 18. Wird der Schalter 32 geschlossen, erfolgt eine Versorgung des Bordnetzes 10 über den Transformator 20 bei geschlossenem Schalter 22. Die landseitige Mittelspannung wird somit auf die Bordnetzspannung transformiert, und zwar über einen Transformator, der ohnehin an Bord des Schiffes vorhanden ist. Für den land- seitigen Versorgungsfall ist der Schalter 30 naturgemäß geöffnet, damit der Antrieb 18 abgeschaltet bleibt. Es versteht sich, dass bei der Landversorgung des Bordnetzes 10 der Schalter 22 geschlossen wird. In the dashed box 24, the compounds LI to L3 of a three-phase land network can be seen, which is operated with medium voltage. This is associated with a switch 26, which is preferably operated protected by means of vacuum pumps. Thus, when the switch 26 is closed, the shore connection is connected to the electrical connection between the transformer 20 and the drive 18 via an electrical land network connection. Between this connection point and the drive 18, a first switch 30 is arranged, which is mechanically and / or electrically coupled to a second switch 32 in the connection between the land connection and the electrical connection between the transformer and drive 18. If the switch 32 is closed, there is a supply of On-board network 10 via the transformer 20 with the switch closed 22. The shore-side medium voltage is thus transformed to the vehicle electrical system voltage, via a transformer that is already present on board the ship. For the land-side supply case, the switch 30 is naturally opened so that the drive 18 remains switched off. It is understood that in the land supply of the electrical system 10 of the switch 22 is closed.
Die Steuerung der Schalter kann durch eine geeignete Steuerungsschaltung bewerkstelligt werden, die hier nicht weiter erläutert werden soll. Auch zu der Ausbildung und dem Antrieb der einzelnen Schalter sollen detailliertere Ausführungen nicht gemacht werden, da sie Stand der Technik sind. The control of the switches can be accomplished by a suitable control circuit, which will not be further explained here. Also to the training and the drive of the individual switches more detailed versions are not made, since they are state of the art.

Claims

Ansprüche: Claims:
1. Vorrichtung zur Versorgung des Bordnetzes eines Schiffes mit Landstrom, mit einem Anschluss am Schiff für eine Steckverbindung mit einem Land-Netzan- schluss und einem Transformator zur Umwandlung der Landnetz-Mittelspannung auf Bordnetzspannung, dadurch gekennzeichnet, dass der schiffsseitige Anschluss an die elektrische Verbindung zwischen einem mit Mittelspannung betriebenen Verbraucher (18) und einem Transformator (20) angeschlossen ist, welcher die Bordnetzspannung in Mittelspannung transformiert und in der elektrischen Verbindung zwischen dem schiffsseitigen Landanschluss und dem Verbraucher (18) ein erster Schalter (30) angeordnet ist. 1. A device for supplying the electrical system of a ship with shore power, with a connection on the ship for a plug connection with a land-Netzan- circuit and a transformer for converting the landline medium voltage to vehicle electrical system voltage, characterized in that the ship-side connection to the electrical connection between a medium-voltage operated consumer (18) and a transformer (20) is connected, which transforms the vehicle electrical system voltage in medium voltage and in the electrical connection between the ship's shore connection and the consumer (18), a first switch (30) is arranged.
2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass in der Verbindung des schiffsseitigen Anschlusses mit der elektrischen Verbindung und dem Verbraucher (18) zwischen dem elektrischen Verbraucher (18) ein zweiter Schalter (32) angeordnet ist. 2. Apparatus according to claim 1, characterized in that in the connection of the ship-side connection with the electrical connection and the consumer (18) between the electrical load (18), a second switch (32) is arranged.
3. Vorrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet, dass erster und zweiter Schalter (30, 32) mechanisch und/oder elektrisch gekoppelt sind, derart, dass bei geschlossenem zweiten Schalter der erste Schalter zwangsweise geöffnet ist. 3. Apparatus according to claim 1 and 2, characterized in that the first and second switches (30, 32) are mechanically and / or electrically coupled, such that when the second switch is closed, the first switch is forcibly opened.
4. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Verbraucher (18) der elektrische Antrieb für ein Querstrahlruder ist. 4. Device according to one of claims 1 to 3, characterized in that the consumer (18) is the electric drive for a transverse thruster.
5. Vorrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Verbraucher der elektrische Antrieb für eine Schmierölpumpe ist. 5. Device according to one of claims 1 to 3, characterized in that the consumer is the electric drive for a lubricating oil pump.
6. Vorrichtung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der landseitige Anschluss einen dritten Schalter (26) aufweist, vorzugsweise ein im Vakuum funken geschützter Leistungs Schalter. 6. Device according to one of claims 1 to 5, characterized in that the shore-side terminal has a third switch (26), preferably a vacuum spark-protected power switch.
PCT/EP2016/063771 2015-11-27 2016-06-15 Device for supplying the electrical system of a ship with shore power WO2017088989A1 (en)

Applications Claiming Priority (2)

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DE102015120629.3 2015-11-27
DE102015120629.3A DE102015120629A1 (en) 2015-11-27 2015-11-27 Device for supplying the electrical system of a ship with shore power

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111342468A (en) * 2020-04-07 2020-06-26 江苏中智海洋工程装备有限公司 Multi-loop feeder safety loop of ship shore power system

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3741658A1 (en) 2019-05-20 2020-11-25 HPE Hybrid Port Energy GmbH & Co. KG System and method for supplying water vehicles, in particular for ships, in a port with electric current and loading and unloading device for such a system and method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006020446U1 (en) * 2005-11-28 2008-08-21 Siemens Aktiengesellschaft Ship with a universal shore connection

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006020446U1 (en) * 2005-11-28 2008-08-21 Siemens Aktiengesellschaft Ship with a universal shore connection

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111342468A (en) * 2020-04-07 2020-06-26 江苏中智海洋工程装备有限公司 Multi-loop feeder safety loop of ship shore power system
CN111342468B (en) * 2020-04-07 2024-06-04 江苏玺骅电器有限公司 Multi-feedback line safety loop of ship shore power system

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