Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

Siemens builds the first European onshore power supply for cruise ships

22.07.2014

The Hamburg Port Authority (HPA) has commissioned Siemens to build a turnkey onshore power supply at the Hamburg Altona cruise terminal. The system will supply electricity to cruise ships of all common sizes and electrical system designs, allowing them to turn off their own diesel generators and reduce harmful emissions during their lay days.

The first European onshore power supply system of this type has a capacity of 12 megavolt amperes (MVA) and works with a patented, mobile robot arm designed specifically for the tidal range. The heart of the system is a frequency converter with control software that adjusts the frequency of the local distribution grid to the ship's electrical system.


The onshore power supply system from Siemens works with a patented, mobile robot arm designed specifically for the tidal range.

The scope of supply for Siemens, in its capacity as general contractor, includes the medium and low voltage switchgears, the transformers, the fire safety system and the building's air conditioning and ventilation system. Commissioning is scheduled for the spring of 2015. The order volume will run to around €8.5 million.

The onshore power supply system from Siemens meets the required international standards IEC/ISO/IEEE 80005-1 (cable connection between shore and ship on the medium voltage side) and IEC 62613-2 (connectors and sockets).

The modular system from Siemens covers all power ranges required in the shipping industry and is suitable for the world's common ship frequencies (50 and 60 Hertz) as well as all necessary voltage levels for shipping. Voltages of 6 or 10 kilovolts (kV) are provided in the 50-Hertz range and 6.6 or 11 kV in the 60-Hertz range. In principle, for example, 50 Hertz AC current is converted to 60 Hertz AC current during frequency conversion.

In the Siemens system, two converters are therefore connected to back to back by a DC link, and each converter is connected to the onshore and onboard converter transformers. As a result, the system is able not only to power an isolated network from a distribution grid but to harmonize power supply grids having different parameters and to connect them to each other.

Siemens uses a multi-level converter on the ship facing side onshore, which guarantees a harmonic-free alternating current characteristic. Converter transformers are used to connect the system to the supply grid. The transformer on the ship facing side ensures galvanic isolation between the ship and shore grids, as required by IEC 80005-1.

The system has a specially developed cable management system for cruise ships that provides a fast, easy and flexible connection between the shore and the ship. The system is self-propelled and can be automatically operated from the ship as needed, so that no additional specialists are needed on shore. A concrete channel along the quay wall guides a high tide-resistant cable chain for system mobility and is designed with a length of 300 meters for this project.

A robot arm is used to transport the power cable connectors and the communication link into the ship through the outer hatch, like on a tray. Developed jointly between Siemens and Stemmann Technik in Schüttorf, this technology also compensates for the tidal range during power supply. Power is transferred to the ship without slip rings, making it immune to dysfunction.

The concrete channel's steel plate cover can easily support the required axle loads, so that telescoping cranes, trucks and buses can drive over the quay operating area with no restrictions during the lay days. The cable management system is stored in a high tide-protected garage when not in operation, thus meeting the Hanseatic City of Hamburg's requirement for granting visitors public access to wharfage.

One of the main causes of local air pollution in ports is the combustion of ship fuels for generating electricity during lay days. Reducing harmful emissions due to shipping is a concern in port cities around the world. For more than ten years now, the European Commission has recommended, through regulations, incentives and access facilitation, that port authorities provide ways for ships to use onshore power sources during lay days in port.

This recommendation was last specified and expanded in 2006. In 2013, the European Commission also drew up a proposal for a directive on "Deployment of alternative fuels infrastructure." According to this proposal, the greenhouse gas emissions caused by traffic must be lowered by 60 percent by 2050. Alternatives such as electricity at berths and liquefied natural gas (LNG) during transport are gaining in importance in seaports. According to Article 4 of the proposal, the member states are to ensure that an onshore power supply for ships is provided in most seaports and inland harbors.

For further information on onshore power supply, please see www.siemens.com/siharbor

The Siemens Infrastructure & Cities Sector (Munich, Germany), with approximately 90,000 employees, focuses on sustainable and intelligent infrastructure technologies. Its offering includes products, systems and solutions for intelligent traffic management, rail-bound transportation, smart grids, power distribution, energy efficient buildings, and safety and security. The Sector comprises the divisions Building Technologies, Low and Medium Voltage, Mobility and Logistics, Rail Systems and Smart Grid.
For more information visit
http://www.siemens.com/infrastructure-cities

The Siemens Low and Medium Voltage Division (Erlangen, Germany) serves the entire product, system, and solutions business for reliable power distribution and supply at the low- and medium-voltage levels. The Division's portfolio includes switchgear and busbar trunking systems, power supply solutions, distribution boards, protection, switching, measuring and monitoring devices as well as energy storage systems for the integration of renewable energy into the grid. The systems are supplemented by communications-enabled software tools that can link power distribution systems to building or industry automation systems. Low and Medium Voltage ensures the efficient supply of power for power grids, infrastructure, buildings, and industry. Additional information is available on the Internet at: http://www.siemens.com/low-medium-voltage

Reference Number: ICLMV20140503e

Contact

Mr. Heiko Jahr
Low and Medium Voltage Division

Siemens AG

Freyeslebenstr. 1

91058  Erlangen

Germany

Tel: +49 (9131) 7-29575

Heiko Jahr | Siemens Infrastructure & Cities

Further reports about: Division IEC Medium capacity connection electricity emissions fuels voltage

More articles from Power and Electrical Engineering:

nachricht Laser sensor LAH-G1 - optical distance sensors with measurement value display
15.08.2017 | WayCon Positionsmesstechnik GmbH

nachricht Engineers find better way to detect nanoparticles
14.08.2017 | Washington University in St. Louis

All articles from Power and Electrical Engineering >>>

The most recent press releases about innovation >>>

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: Fizzy soda water could be key to clean manufacture of flat wonder material: Graphene

Whether you call it effervescent, fizzy, or sparkling, carbonated water is making a comeback as a beverage. Aside from quenching thirst, researchers at the University of Illinois at Urbana-Champaign have discovered a new use for these "bubbly" concoctions that will have major impact on the manufacturer of the world's thinnest, flattest, and one most useful materials -- graphene.

As graphene's popularity grows as an advanced "wonder" material, the speed and quality at which it can be manufactured will be paramount. With that in mind,...

Im Focus: Exotic quantum states made from light: Physicists create optical “wells” for a super-photon

Physicists at the University of Bonn have managed to create optical hollows and more complex patterns into which the light of a Bose-Einstein condensate flows. The creation of such highly low-loss structures for light is a prerequisite for complex light circuits, such as for quantum information processing for a new generation of computers. The researchers are now presenting their results in the journal Nature Photonics.

Light particles (photons) occur as tiny, indivisible portions. Many thousands of these light portions can be merged to form a single super-photon if they are...

Im Focus: Circular RNA linked to brain function

For the first time, scientists have shown that circular RNA is linked to brain function. When a RNA molecule called Cdr1as was deleted from the genome of mice, the animals had problems filtering out unnecessary information – like patients suffering from neuropsychiatric disorders.

While hundreds of circular RNAs (circRNAs) are abundant in mammalian brains, one big question has remained unanswered: What are they actually good for? In the...

Im Focus: RAVAN CubeSat measures Earth's outgoing energy

An experimental small satellite has successfully collected and delivered data on a key measurement for predicting changes in Earth's climate.

The Radiometer Assessment using Vertically Aligned Nanotubes (RAVAN) CubeSat was launched into low-Earth orbit on Nov. 11, 2016, in order to test new...

Im Focus: Scientists shine new light on the “other high temperature superconductor”

A study led by scientists of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg presents evidence of the coexistence of superconductivity and “charge-density-waves” in compounds of the poorly-studied family of bismuthates. This observation opens up new perspectives for a deeper understanding of the phenomenon of high-temperature superconductivity, a topic which is at the core of condensed matter research since more than 30 years. The paper by Nicoletti et al has been published in the PNAS.

Since the beginning of the 20th century, superconductivity had been observed in some metals at temperatures only a few degrees above the absolute zero (minus...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

Event News

Call for Papers – ICNFT 2018, 5th International Conference on New Forming Technology

16.08.2017 | Event News

Sustainability is the business model of tomorrow

04.08.2017 | Event News

Clash of Realities 2017: Registration now open. International Conference at TH Köln

26.07.2017 | Event News

 
Latest News

Gold shines through properties of nano biosensors

17.08.2017 | Physics and Astronomy

Greenland ice flow likely to speed up: New data assert glaciers move over sediment, which gets more slippery as it gets wetter

17.08.2017 | Earth Sciences

Mars 2020 mission to use smart methods to seek signs of past life

17.08.2017 | Physics and Astronomy

VideoLinks
B2B-VideoLinks
More VideoLinks >>>