SAM Electronics complies with the growing Marketimistorage.blob.core.windows.net/imidocs/0515p008 sam electronics... · SAM Electronics complies with the growing Market ... with cooler

SAM Electronics complies

with the growing Market

Electrical Propulsion and Power Distribution Systems for Cruise Liners, Ferries and other Ships with special Requirements:

Cruise Liners “Seven Seas Voyager”, “Aurora”, “Norwegian Sun” and“Norwegian Sky”, “Costa Victoria”, “Pride of America”;

Pipelay Vessel “Solitaire”; RoRo/Passenger Ferries “Robin Hood”and “Nils Dacke”; RoRo Ferries serie with “Tor Magnolia” as leadship

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There is a growing trend in the marketfor electrical propulsion concepts.Converter fed propulsion systems offeradvantages for ships with followingspecial requirements:■ Low noise and vibration.■ Space saving aspects.■ Economic operation.■ High degree of reliability, availability

and redundancy.■ Flexible use of the torque-speed

characteristic.■ Excellent dynamic characteristic.■ No interference of the mains.■ Reduced emissions.■ High degree of automation.■ Reduced wear and tear.

Front page:Cruise liner “Aurora” with propulsion motor

For direct propeller drives without gearing and propulsion powers in excessof 4 MW these systems are based onthe principle of speed controlled synchronous motors. In this applicationthe most appropriate solution in technical as well as commercial termsare synchro-converter drives. For thisreason the majority of shipping companies in the cruise liner markethave opted for this solution from thevery beginning.

10 kV Propulsionand distributionsystem with 24/12-pulses sychro-conver-ter drives 2 x 15 MWon the cruise liners“Costa Victoria” and“Norwegian Sky”

10.7MVA

10.7MVA

10.7MVA

12.48 MVA400 rpm

12.48 MVA400 rpm

12.48 MVA400 rpm

10 kV / 60 Hz 10 kV / 60 Hz

2x2400 kVA

1350 kVASubst. 1

1350 kVAGalley

900kVA

1600kVA

1250 kVASubst. 4

1150kVA

1350 kVASubst. 1

1600kVA

900kVA

1250kVA

1350kVA

1150kVA

1.7 MWBow

1.7 MWStern

Thruster

1.7 MWBow

1.7 MWStern

Thruster

1.7 MWBow

1.2 MW1.2 MWChiller

1.2 MW1.2 MWChiller

15 MW135 rpm

15 MW135 rpm

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M3 ~

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440 V

Contr.Contr.

Synchro-Converter Propulsion Systems

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Synchro-converterpanel for one propul-sion windingsystem 1/2 x 15MWon cruise liners“Norwegian Sun”,“Norwegian Sky”and “Costa Victoria”with cooler panel, thyrister rectifier, DCintermediate choke,thyrister inverter,excitation converterand control system

Synchro-converter drives have distinctadvantages over other systems:■ Far less components for power and

control electronics with simpler and more robust system structure.

■ Protection of the converter thyristorsin case of short circuit in the mains by electronic assemblies which existanyway without additional devices as e.g. high speed circuit breakers.

■ Lower level of harmonic interferenceand therefore better mains quality: 24-pulses propulsion systems as standard configuration comply with classification rules without additionalmeasures as e.g. filter circuits or duplex chokes.

Since 1966 SAM Electronics with theirsystem division Energy and Drives, carrying on the technology and industrytraditions of its predecessor AEGMarine branch, has delivered more than150 converter fed propulsion drives forapproximately 50 ships. This sums up toa total propulsion power in the range of more than 350 MW. Synchro-converter based systems are also usedin SAM Electronics‘ shaft alternatorsystem, delivered or in order more than340 units since 1967.

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Cruise Liner “Seven Seas Voyager”

The cruise liner “Seven Seas Voyager”will be delivered by the Italian shipyardT.Mariotti in Genoa (newbuildingMAR001) in 2003 to V.Ships Leisure inMonaco and will be operated byRadisson Seven Seas Cruises.

With a displacement of 46500 tons, alength of 200m and cabins for 720 pas-sengers it is a medium size cruise linerwith very special features as follows:

■ Innovative propulsion system with DOLPHIN pod drives which were developmed together with The Netherlands company Wärtsilä Propulsion, one of the market leadersin propulsion systems.

■ Excellent manoeuvring characteristicof the vessel by 360° rotation angle of the podded propulsors.

■ High availability by pretentious redun-dancy with 2 independent converters per pod drive each with a separate excitation and control system.

■ Very low distortions generated by the propulsion system due to 24-pulses characteristic without filter systems.

SAM Electronics’ scope of supply:

■ 2 Diesel electric DOLPHIN podded drives, propellers, azimuth steering drives with hydraulic power packs including:- 2 double winding synchronous

motors 7 MW, 170 rpm,- 2 synchro-converters 24/12-pulses

each with 2 redundant excitation and control systems in master/slave configuration,

- 4 cast resin propulsion transformers4.5 MVA.

■ 4 Diesel alternators 7.2 MVA, 6.6 kV, 60 Hz, 600 rpm.

■ 2 Switchboards 6.6 kV with 14 + 13 panels for medium voltage distribution.

■ 8 Cast resin transformers 1.25 - 3.75 MVA for low voltage mains supply.

■ 2 AC thruster motors 1.1 MW, 6.6 kV, 1200 rpm.

■ 1 Joystick control system.

Co-operation in Podded Propulsion

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Cruise Liner “Aurora”

The cruise liner was delivered by theGerman shipyard Meyer Werft inPapenburg (newbuilding 640) to theEnglish owner P&O Cruises and wasnamed in Southampton by PrincessAnne as member of the British royaltyto the tradition name “Aurora”. The“Aurora” is a sister vessel of the “Oriana”delivered five years ago but with increa-sed size and diesel electric instead ofthe diesel mechanic propulsion systemand is operated world wide.

With a displacement of 76000 tons andwith 939 cabins the vessel has thesame size as the “Costa Victoria”,“Norwegian Sky” and “NorwegianSun” with following advantages of thepropulsion system:

■ High availability by pretentious redundancy concept with 2 indepen-dent converters per propulsion drive each with a separate excitation, control and water cooling unit. In case of a converter failure the propeller can be operated by the remaining converter with an increasedtorque of 70% for maintaining thevessel’s time schedule.

■ Innovative system design without converter fuses.

■ Outstanding mains quality and very low distortions generated by the propulsion system due to filter circuits on the 6.6 kV bus bar.

■ Reduced cable effort due to confi-guration with ring main substations with low voltage power bus system.

■ Optimised service concept by tele-diagnosis of the relevant propulsion system data via Inmarsat satellite from the vessel to SAM Electronics.


■ 2 Diesel electric main propulsion drives with:- 2 double winding synchronous

motors 20 MW, 140 rpm,

- 2 synchro-converters 12/12-pulses each with 2 redundant cooling and control systems in master/slave configuration,

- 8 cast resin propulsion transfor-mers 8.4 MVA.

■ 6 Diesel alternators 4 x 17.5 MVA, 6.6 kV, 60 Hz, 514 rpm and 2 x 1.25 MVA, 690 V, 60 Hz, 1800 rpm.

■ 2 Switchboards 6.6 kV with 11 + 12 panels for medium voltage distribution.

■ 4 Harmonic filter banks reducing the voltage harmonics (THD) to ≤5%.

■ 8 Ring main substation units 4 x 1.5 MVA and 4 x 1.1 MVA incl. cast resin transformers and medium and low voltage switchboards for

low voltage mains supply.■ 5 Cast resin transformers

1.25 - 1.8 MVA for engine room and emergency switchboard supply.

■ 7 AC motors 4 x 1.5 MW, 6.6 kV, 1200 rpm for thrusters and 3 x 1.35 MW, 6.6 kV, 3600 rpm for air-condition compressors.

■ Navigation system.

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Cruise Liners “Norwegian Sun”and “Norwegian Sky”

The cruise liners “Norwegian Sun” and “Norwegian Sky”were delivered bythe German shipyard Lloyd Werft inBremerhaven to Norwegian Cruise Line(NCL) and are operated world wide.

With 259 m the length of the cruiseliners were enlarged compared with“Costa Victoria” with the same advanta-ges of the propulsion system for theoverall layout of the vessel.




at “Norwegian Sun” respectively 12/24-pulses at “Norwegian Sky” with 3 excitation systems

- 4 cast resin propulsion transformers 9.7 MVA.

■ 6 Diesel alternators 3 x 12.4 MVA and3 x 10.7 MVA, 10 kV, 60 Hz, 400 rpm.

■ 2 Switchboards 10 kV with 21 + 22 panels for medium voltage distribution.

■ 4 Harmonic filter banks reducing the voltage harmonics (THD) to ≤5% at “Norwegian Sun”.

■ 8 “Norwegian Sun” respectively 16 “Norwegian Sky” Cast resin transformers for low voltage mains supply.

■ 5 AC thruster motors 1.7 MW, 10 kV, 1200 rpm.

■ 4 AC motors 1.2 MW, 10 kV, 3600 rpmfor air-condition compressors at “Norwegian Sky”.

■ Low voltage substations in each fire zone.

■ Low voltage power distribution via Primary Power Bus system includingback up bus for 5400 A to ensure emergency supply to all fire zones at “Norwegian Sun”.

■ Complete cable network.■ Light and sound system.■ Power management and alarm &

monitoring system.■ Communication and navigation system.■ Safety and security system.

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Cruise Liner “Costa Victoria”

The cruise liner “Costa Victoria” wasdelivered by the German shipyard LloydWerft in Bremerhaven to the Italianowner Costa Crociere and is operatedin the Caribbean in winter time and inthe Mediterranean in summer time.

With a displacement of 76000 tons, alength of 253 m and cabins for 2250passengers the cruise liner is amongthe largest in the world. The concept ofthe propulsion system has followingadvantages for the overall layout of thevessel:

■ Increased number of passenger cabins by reduced volume and decentralised installation of the propulsion system components.

■ Optimised cable lengths and minimised effort for engineering andinstallation of the cabling by economicarrangement of the propulsion system with synchro-converter boards above the propulsion motors and propulsion switchboards above the diesel generator sets.

■ High cruising comfort with low noise and low vibration operation by mounting of the diesel generator sets resiliently, low torque pulsation by 12-pulses supply of the propulsionmotors.

■ Economical, safe and flexible operation by 6 medium speed diesel generator sets with different output ratings.




with 3 excitation systems - 4 cast resin propulsion transformers

9.7 MVA.

■ 6 Diesel alternators 3 x 12.4 MVA and3 x 10.7 MVA, 10 kV, 60 Hz, 400 rpm.

■ 2 Switchboards 10 kV with 21 + 22 panels for medium voltage distribution.

■ 16 Cast resin transformers 0.9 - 2.4 MVA for low voltage mains supply.

■ 9 AC motors 5x1.7 MW, 10 kV, 1200 rpm for thrusters and 4 x 1.2 MW, 10 kV, 3600 rpm for air-condition compressors.

■ Low voltage substations in each fire zone.

■ Low voltage power distribution.■ Complete cable network.■ Light and sound system.■ Power management and alarm &

monitoring system.■ Communication and navigation

system.■ Safety and security system.

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Cruise Liner “Pride of America”

The cruise liner “Pride of America” willbe delivered by the German ShipyardLloyd Werft in Bremerhaven toNorwegian Cruise Line (NCL) in 2005 forworldwide operation. The project wasstarted in 2001 in the US on Ingalls shipyard for an American operator andhas been changed after bankruptey ofthe operator to NCL which decided tofinalise the ship in Germany. Manydesign changes were incorporated forthe new owner including a ships leng-thening of one fire zone with 25 metersto extend the passenger accomodationand the power generation capacity.

Under the survey of DNV and ABS theship was built under US flag to allowunrestricted operation between US portsand specially prepared for the Hawaiisland cruise.

With a displacement of 81000 tons anaccommodation for 2700 passengersthis ship was the first newbuilding aftermore than 40 years under US flag.

Beside the engineering anddesign of the complete electrical plant on turn keybasis SAM has supplied:

■ 6 Diesel alternators 10.2 MVA, 11 kV,60 Hz, 514 rpm.

■ 3 Switchboards 11kV with totally 33 panels for medium voltage distribution.

■ 13 Cast resin transformers 1.5 to 3.5 MVA for low voltage main supply.

■ 3 AC thruster motors 2.45 MW, 11 kV, 900 rpm.

■ Low voltage substation switchboardsin each fire zone.

■ Power bus system as back-up installation to supply all fire zones.

■ Low voltage power distribution systems.

■ Complete cable network.■ Power management and alarm and

monitoring system incl. HVAC.■ Light and sound installation.■ Safety and security systems.■ Internal and external communiaction

systems.■ Navigation system and consoles.

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Pipelay Vessel “Solitaire”

The pipelay vessel “Solitaire” was delivered to the Dutch offshore companyAllseas after conversion by the Singaporeshipyard Sembawang and by the Englishshipyard Swan Hunter in Newcastle.

With a displacement of 76900 tons“Solitaire” is the world’s largest pipelayvessel. She is equipped with a dynamicpositioning system according to NMDclass 3, extended firing line and a 108 mstinger and has been designed to laypipes with a diameter of up to 60inches at a rate of up to 6 km per day atwater depths exceeding those reachedby moored barges. The vessel’s largehull with 8 thruster drives and dynamicpositioning permit work to be performedat unlimited water depths and underadverse weather conditions, since tugboats for mooring are not required.

For dynamic positioning 8 synchro-con-verter fed thruster motors are providedwith the following benefits:

■ Reduced operating costs since only the power for the thrust actually required is taken from the network. Under no-load conditions less than 5% of the rated current including excitation is required. Asynchronous motors require 20-35% of the rated current under no-load conditions.

■ Reduced losses in the low power range amounting to approximately 1% of the rated power. The losses of a CP propeller at low load amountto approximately 25% of the propeller design power.

■ High efficiency over the entire speed range.


■ 8 Diesel electric azimuth thruster drives with:- 8 double winding synchronous

motors 4.3 MW, 465 rpm,- 8 synchro-converters 24/12-pulses

with control systems,- 16 cast resin propulsion transfor-

mers 3 MVA.■ 8 Diesel alternators 8 MVA, 10 kV,

60 Hz, 514 rpm.■ 2 Switchboards 10 kV with 2 x 18

panels for medium voltage distribution.

■ 12 Cast resin transformers 2 - 3.5 MVAfor low voltage mains supply.

■ Communication and navigation system.

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RoRo/Passenger Ferries “Robin Hood” and “Nils Dacke”

The two cargo and passenger ferries“Robin Hood” and “Nils Dacke” weredelivered by the Finnish shipyardFinnyards in Rauma (newbuildings 410and 411), to the Hamburg TT-Line andare operated in daily line service in theBaltic Sea between Travemünde inGermany and Trelleborg in Sweden.

These ferries are among the mostmodern in the world providing the novelpropulsion concept for this type of shipwith diesel-electric AC drives with thefollowing benefits:

■ Maximised loading capacity to 2400 mtrailer lanes due to installation of the diesel generator sets in the watertightside compartments, reduced volume and decentralised installation of the propulsion system components.

■ More economic operation with especially good efficiency at partial load of the propulsion system.

■ Reduced emission and reduced fuel consumption due to operation of diesel engines with constant speed inthe optimal operating range, even when the propulsion plant is operating at partial load.



motors 6.5 MW, 120 - 135 rpm,- 2 synchro-converters 12/12-pulses

each with 2 redundant control systems in master/slave configu-ration,

- 4 cast resin propulsion transfor-mers 4.2 MVA.

■ 4 Diesel alternators 5.7 MVA, 6.6 kV,50 Hz, 500 rpm.

■ 2 Switchboards 6.6 kV with 2 x 8 panels for medium voltage distribution.

■ 2 Cast resin transformers 2.4 MVA for low voltage mains supply.

■ 2 AC thruster motors 1.2 MW,6.6 kV, 1000 rpm.

■ Switchboards 400 V and 230 V with 45 panels for mains and emergency supply.

■ Power management and alarm & monitoring system.

■ Navigation system.

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RoRo Ferries serie with “Tor Magnolia” as leadship

SAM Electronics is the partner of thegerman shipyard Flensburger SchiffbauGesellschaft (FSG) for complete elec-trical turnkey systems since 15 years.

In this time SAM Electronics deliveredelectrical systems for more than 40 containers, barge, RoRo and navy vessel.

Ship of the year 2003 is the RoRo ferry“Tor Magnolia”, hull no. 721 for theDanish owner DFDS Tor Line. This new-building is the lead ship in a seriesof up to now six units. Its extremelysuccessful design allows to carry 253trailers on 3831 m lanes and 8850 tdeadweight.


■ Electrical engineering and system integration.

■ Design, delivery and installation of cable net.

■ Lighting system.■ Switchgear for low voltage power

distribution.■ Consoles for engine control and

bridge.■ Power management system.■ Alarm, monitoring and control

system.■ 4 thruster drives with AC motors

2 x 1100 kW and 2 x 880 kW, 1000 rpm.

■ Transformers, AC motors.■ Communication and navigation

system.■ Safety and security system.

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SAM Electronics GmbHEnergy and DrivesBehringstrasse 12022763 Hamburg . Germany

Phone: +49 - (0)40 - 88 25 - 27 00Fax: +49 - (0)40 - 88 25 - 41 02E-mail: [email protected]

SAM Electronics is a nationally and internationally renowned systems company. Its products and services include equipment and systems for communication, navigation, automation,power and drive technology.

The applied technologies are orientedtowards the high standard of the maritime industry and the high demandsof its customers regarding product benefit. In line with these requirements,SAM Electronics is certified in accordancewith DIN EN ISO 9001.

We consider ourselves a partner to theshipbuilding industry, i.e. a partner whois already involved in the preliminarydesign phase and who, with his expe-rience, helps to keep the overall costsof a project low while at the same timeassuring the functionality of the differentcomponents in the „System Ship“

In cooperation with its subsidiaries,representative offices and service stations, SAM Electronics can assureits customers the best possible supportthroughout the world, backed by workforce of some 1,500 persons worldwide.

Subsidiaries and Representative Offices

America 39

Number of Agenciesand Service Stations:

Africa / Middle East 20

Europe 76

Asia / Australia 46

Head Office, Hamburg

Wherever you are:We operate internationally and offer ourservices world-wide.

Always a Step Ahead

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SAM Electronics complies with the growing Marketimistorage.blob.core.windows.net/imidocs/0515p008 sam electronics... · SAM Electronics complies with the growing Market ... with cooler