SAM electronics complies

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    SAM Electronics complieswith the growing Market

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    with the growing Market

    There is a growing trend in the market forelectrical propulsion concepts. Converter fedpropulsion systems offer advantages for shipswith following special requirements:n Low noise and vibrationn Maximum pay-Ioad capacity and optimal

    utilization of available spacen Economical operationn Essential higher reliability, dependability and

    availabilityn Flexible use of the torque-speed characteristicn Excellent dynamic characteristicsn High mains qualityn Reduced emissionsn High degree of automationn Reduced wear and tear

    Depending on the required grade of redundancyand depending on the operational profil of thevessel LCI converter (synchro-converter) or PWM

    converter systems with synchronous motors orwith induction motors are well proven andreliable solutions for propulsion systems.

    Since 1966 SAM Electronics with their systemdivision Drives and Special Systems, carrying onthe technology and industry traditions of itspredecessor AEG Marine branch, has deliveredmore than 200 converter fed propulsion drives formore than 85 ships.

    LCI Converter SystemFrequency converters with line controlled inverters(LCI converters respectively synchro-converters)are provided for supply of synchronous motorswith following advantages:n For highest power availablen Acceleration and braking in both direction of rotations (four quadrant operation) without

    additional measures

    PWM Converter SystemFrequency converters with pulse-width modulation(PWM converters) are provided for supply ofasynchronous or synchronous motors withfollowing advantages:n Low level of air gap pulsation which results in

    a low vibration leveln Acceleration and breaking in both direction of rotations (four quadrant operation) with active front end converter or reverse power resistorn Small volume and weightn High torque in low speed ranges

    Single line digramm of electric propulsion system on Silver Spirit with LCI converter drives 2 x 8.5 MW, 24-pulses (48-pulse for both shaft lines)

    SAM Electronics complies

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    The new cruise liners were delivered by the Italianshipyard T.Mariotti in Genoa (newbuildings MAR062-64) to Seaborn Cruise Line, the ultra luxurybrand of Miami-based Carnival Corporation, in2009, 2010 and 2011.

    Each of the hulls is 198 m long, with a beam of25.6 m and a draft of 6.4 m, to operate at aservice speed of 19 knots. The first vesselSeabourn Odyssey is the first new ship forSeabourn in over five years, about 90% of theships suites have private verandas.

    Scope of supplyn 2 Diesel electric main propulsion drives with: - 2 Double winding synchronous motors

    7.5 MW, 170 rpm, - 2 Synchro-converters 24/12-pulses with

    2 redundant excitation and control systemsin master/slave configuration,

    - 4 Cast resin propulsion transformers5.4/2x2.7 MVA.

    n 4 Diesel alternators 8920 kVA, 6.6 kV, 60 Hz,720 rpm

    n 2 Thruster motors 800 kW, 6.6 kV, 900 rpmn 2 Switchboards 6.6 kV with 12 + 11 panels for

    high voltage distributionn 3 Cast resin transformers 2 x 4.5 MVA and

    1 x 1 MVA for low voltage mains supply

    Cruise Liners Seabourn Odyssey, Seabourn SojournSeabourn Quest

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    Cruise Liner Silver Spirit

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    The cruise liner Silver Spirit was deliveredby the Italian shipyard Fincantieri in Ancona(newbuilding 6178) to the ultra-luxury operatorSilversea Cruises in 2009. With a displacement of 36000 tons, a length of 196 m and cabins for540 passengers it is a small size cruise liner.

    This newbuilding is the first one for SilverseaCruises since 1998 when contracting SilverShadow and Silver Whisper, the award-winningvessels entered into service in 2000 and 2001,respectively. Silversea Cruises is recognized as aninnovator in the luxury segment, offering guests

    large-ship amenities aboard their intimatevessels, all designed to offer an atmosphere ofconviviality and casual elegance. For the ninthyear, Silversea was named Number One small-ship line in the 2005 Readers Choice surveyconducted by Cond Nast Traveler magazine. Forthe sixth time, Silversea was selected WorldsBest small-ship line in the 2004 Travel + Leisurereaders poll.

    Scope of supplyn 2 Diesel electric main propulsion drives with: - 2 Double winding synchronous motors

    8.5 MW, 150 - 160 rpm, - 2 Synchro-converters 24/12-pulses with

    2 redundant excitation and control systemsin master/slave configuration,

    - 4 Oil propulsion transformers 5.3/2x2.65 MVAn 4 Diesel alternators 7875 kVA, 6.6 kV, 60 Hz,

    600 rpmn 2 Thruster motors 1 MW, 6.6 kV, 1200 rpmn 2 Switchboards 6.6 kV with 15 + 14 panels for

    high voltage distributionn 8 Cast resin transformers 3 x 2.7 MVA,

    4 x 1.2 MVA and 1 x 0.9 MVA for low voltagemains supply

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    Fleet Oiler USNS Henry J. Kaiser

    The fleet replenishment oiler USNS Henry J.Kaiser (T-AO 187), the first of an 18 ship serieswith a length of 207 m, a displacement of41400 tons and a service speed of 20 knots, wasoriginally built by Avandale Shipyard in NewOrleans, Louisiana/USA for the Military SealiftCommand (MSC) already in 1986. Their combinedshaft alternator and electric shaft propulsionsystems have an output of 2 x 2.5 MW. Forimprovement of the system performance the USnavy decided to renew the existing convertersystems. The conversion was provided by theCascade General Shipyard in Portland, Oregon/USA in 2008.

    SAM, with its worldwide reputation for designand delivery of proven synchroconverter systems,was ideally placed to secure the order. The firstship to be equipped was USNS Henry J. Kaiser.Options for outfitting the remaining five vessels

    have also been agreed.

    Scope of supplyn 2 Synchro-converters 6/6-pulses with excitation

    and control systems for shaft alternator/electric propulsion system 2.5 MW, 900 -1200 rpm in generator operation and 2.5 MW,900 rpm in propulsion operation

    n 2 Duplex reactors for reduction of harmonicsn 2 Reactive power generation filters

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    Cruise Liner Seven Seas Voyager

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    The cruise liner Seven Seas Voyager wasdelivered by the Italian shipyard T.Mariotti inGenoa (newbuilding MAR001) in 2003 to V.ShipsLeisure in Monaco and is operated by RadissonSeven Seas Cruises.

    With a displacement of 46500 tons, a length of200m and cabins for 720 passengers it is amedium size cruise liner with very special

    features as follows:n Innovative propulsion system with DOLPHIN pod drives which were developmed together

    with The Netherlands company WrtsilPropulsion, one of the market leaders inpropulsion systems

    n Excellent manoeuvring characteristic of thevessel by 360 rotation angle of the poddedpropulsors

    n High availability by pretentious redundancy with 2 independent converters per pod drive

    each with a separate excitation and controlsystem

    n Very low distortions generated by thepropulsion system due to 24-pulses characteristicwithout filter systems

    Scope of supplyn 2 Diesel electric DOLPHIN podded drives,

    propellers, azimuth steering drives withhydraulic power packs including:

    - 2 Double winding synchronous motors7 MW, 170 rpm,

    - 2 Synchro-converters 24/12-pulses eachwith 2 redundant excitation and controlsystems in master/slave configuration,

    - 4 Cast resin propulsion transformers 4.5 MVAn 4 Diesel alternators 7.2 MVA, 6.6 kV, 60 Hz,

    600 rpm

    n 2 Switchboards 6.6 kV with 14 + 13 panels forhigh voltage distributionn 8 Cast resin transformers 1.25 - 3.75 MVA for

    low voltage mains supplyn 2 Thruster motors 1.1 MW, 6.6 kV, 1200 rpmn 1 Joystick control system

    Co-operation in Podded Propulsion

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    Cruise Liner Aurora

    The cruise liner was delivered by the Germanshipyard Meyer Werft in Papenburg (newbuilding640) to the English owner P&O Cruises and wasnamed in Southampton by Princess Anne asmember of the British royalty to the traditionname Aurora. The Aurora is a sister vessel ofthe Oriana delivered five years ago but withincreased size and diesel electric instead of thediesel mechanic propulsion system and isoperated worldwide.

    With a displacement of 76000 tons and with 939cabins the vessel has the same size as the CostaVictoria, Norwegian Sky and Norwegian Sunwith following advantages of thepropulsion system:n High availability by pretentious redundancy

    concept with 2 independent converters perpropulsion drive each with a separateexcitation, control and water cooling unit. In

    case of a converter failure the propeller can beoperated by the remaining converter with anincreased torque of 70% for maintaining thevessels time schedule

    n Innovative system design without converterfuses

    n Outstanding mains quality and very lowdistortions generated by the propulsionsystem due to filter circuits on the 6.6 kVbus bar

    n Reduced cable effort due to configurationwith ring main substations with low voltagepower bus system

    n Optimised service concept by telediagnosis ofthe relevant propulsion system data viaInmarsat satellite from the vessel to SAMElectronics

    Scope of supplyn 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 controlsystems in master/slave configuration

    - 8 Cast resin propulsion transformers 8.4 MVAn 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

    n

    2 Switchboards 6.6 kV with 11 + 12 panels forhigh voltage distribution

    n 4 Harmonic filter banks reducing the voltageharmonics (THD) to 5%

    n 8 Ring main substation units 4 x 1.5 MVA and4 x 1.1 MVA incl. cast resin transformers andhigh and low voltage switchboards for lowvoltage mains supply

    n 5 Cast resin transformers 1.25 - 1.8 MVA forengine room and emergency switchboardsupply

    n 7 AC motors 4 x 1.5 MW, 6.6 kV, 1200 rpm forthrusters and 3 x 1.35 MW, 6.6 kV, 3600 rpmfor air-condition compressors

    n Navigation system

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    Cruise Liners Norwegian Sun and Norwegian Sky

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    The cruise liners Norwegian Sun and NorwegianSkywere delivered by the German shipyard LloydWerft in Bremerhaven to Norwegian Cruise Line(NCL) and are operated worldwide.

    With 259 m the length of the cruise liners wereenlarged compared with Costa Victoria with thesame advantages of the propulsion system forthe overall layout of the vessel.

    Scope of supplyn 2 Diesel electric main propulsion drives with: - 2 Double winding synchronous motors

    15 MW, 135 rpm, - 2 Synchro-converters 12/12-pulses at

    Norwegian Sun respectively 12/24-pulsesat Norwegian Sky with 3 excitation systems

    - 4 Cast resin propulsion transformers 9.7 MVAn 6 Diesel alternators 3 x 12.4 MVA and 3 x

    10.7 MVA, 10 kV, 60 Hz, 400 rpm

    n 2 Switchboards 10 kV with 21 + 22 panels forhigh voltage distributionn 4 Harmonic filter banks reducing the voltage

    harmonics (THD) to 5% on Norwegian Sunn 8 (on Norwegian Sun) respectively 16 (on

    Norwegian Sky) cast resin transformers forlow voltage main supply

    n 5 Thruster motors 1.7 MW, 10 kV, 1200 rpmn 4 AC motors 1.2 MW, 10 kV, 3600 rpm for

    air-condition compressors on Norwegian Skyn Low voltage substations in each fire zonen Low voltage power distribution via Primary

    Power Bus system including back up bus for5400 A to ensure emergency supply to all firezones at Norwegian Sun

    n Complete cable networkn Light and sound systemn Power management and alarm & monitoring

    systemn Communication and navigation systemn Safety and security system

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    Cruise Liner Costa Victoria

    The cruise liner Costa Victoria was delivered bythe German shipyard Lloyd Werft in Bremerhavento the Italian owner Costa Crociere and isoperated in the Caribbean in winter time and inthe Mediterranean in summer time.

    With a displacement of 76000 tons, a length of253 m and cabins for 2250 passengers the cruiseliner is among the largest in the world. Theconcept of the propulsion system has followingadvantages for the overall layout of the vessel:n Increased number of passenger cabins by

    reduced volume and decentralised installationof the propulsion system components

    n Optimised cable lengths and minimised effortfor engineering and installation of the cablingby economic arrangement of the propulsionsystem with synchro-converter boards abovethe propulsion motors and propulsionswitchboards above the diesel generator sets

    n High cruising comfort with low noise andlow vibration operation by mounting of thediesel generator sets resiliently, low torquepulsation by 12-pulses supply of thepropulsion motors

    n Economical, safe and flexible operation by 6medium speed diesel generator sets withdifferent output ratings

    Scope of supplyn 2 Diesel electric main propulsion drives with - 2 Double winding synchronous motors

    15 MW, 135 rpm - 2 Synchro-converters 24/12-pulses with

    3 excitation systems - 4 Cast resin propulsion transformers 9.7 MVAn 6 Diesel alternators 3 x 12.4 MVA and 3 x

    10.7 MVA, 10 kV, 60 Hz, 400 rpmn 2 Switchboards 10 kV with 21 + 22 panels for

    high voltage distribution

    n 16 Cast resin transformers 0.9 - 2.4 MVA forlow voltage mains supply

    n 9 AC motors 5x1.7 MW, 10 kV, 1200 rpm forthrusters and 4 x 1.2 MW, 10 kV, 3600 rpm for

    air-condition compressorsn Low voltage substations in each fire zonen Low voltage power distributionn Complete cable networkn Light and sound systemn Power management and alarm & monitoring

    systemn Communication and navigation system

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    RoRo/Passenger Ferries Robin Hood and Nils Dack

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    The two cargo and passenger ferries Robin Hoodand Nils Dacke were delivered by the Finnishshipyard Finnyards in Rauma (newbuildings 410and 411), to the Hamburg TT-Line and are

    operated in daily line service in the Baltic Seabetween Travemnde in Germany and Trelleborgin Sweden.

    These ferries are among the most modern in theworld providing the novel propulsion concept forthis type of ship with diesel-electric AC driveswith the following benefits:n Maximised loading capacity to 2400 m

    trailer lanes due to installation of the dieselgenerator sets in the watertight sidecompartments, reduced volume anddecentralised installation of the propulsionsystem components

    n More economic operation with especiallygood efficiency at partial load of thepropulsion system

    n Reduced emission and reduced fuel consump- tion due to operation of diesel engines with

    constant speed in the optimal operatingrange, even when the propulsion plant isoperating at partial load

    Scope of supplyn 2 Diesel electric main propulsion drives with: - 2 Double winding synchronous motors

    6.5 MW, 120 - 135 rpm, - 2 Synchro-converters 12/12-pulses each

    with 2 redundant control systems in master/slave configuration,

    - 4 Cast resin propulsion transformers 4.2 MVAn 4 Diesel alternators 5.7 MVA, 6.6 kV, 50 Hz,

    500 rpmn 2 Switchboards 6.6 kV with 2 x 8 panels for

    high voltage distributionn 2 Cast resin transformers 2.4 MVA for low

    voltage mains supplyn 2 Thruster motors 1.2 MW, 6.6 kV, 1000 rpmn Switchboards 400 V and 230 V with 45 panels

    for mains and emergency supplyn Power management and alarm & monitoring

    systemn Navigation system

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    Double End Ferries Coastal Renaissance,Coastal Inspiration and Coastal Celebration

    The double end ferries Coastal Renaissance,Coastal Inspiration and Coastal Celebrationwere delivered by the German shipyardFlensburger Schiffbau- Gesellschaft (FSG) inFlensburg (newbuilding 733 - 735) to theCanadian operator British Columbia Ferry Services(BC Ferries) in 2007, 2008 and 2009.

    One important milestone of BC Ferries duringtheir major fleet replacement program was thedevelopment of the new double end ferry class toreplace their existing C-Class vessels. The finaldesign of the ships called the BCF Super ClassFerries are actually the worlds largest double endferries with a displacement of 22000 tons, alength of 160 m, trailer lanes of 2020 m and apassenger capacity of 1620. Set up in 1960 BCFerries has become the largest passenger ferryline in North America and the second largest inthe world.

    Scope of supplyn 2 Diesel electric main propulsion drives with: - 2 Asynchronous motors 11 MW, 720 rpm, - 2 Soft starters with control systemsn 4 Diesel alternators 4.8 MVA, 6.6 kV, 60 Hz,

    720 rpm with an overload capacity of 18 MVAfor propulsion motor start sequence

    n 2 Switchboards 6.6 kV with 7 + 7 panels forhigh voltage distribution

    n 2 Cast resin transformers 3.5 MVA for lowvoltage mains supply

    n Bridge and ECR consoles, complete cablenetwork and lighting system

    n Power management, alarm and monitoringsystem

    n Navigation, communication, fire alarm andsafety system

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    P r i n t e d i n G e r m a n y T e c h n i c a l a l t e r a t i o n s r e s e r v e d

    S

    A M E l e c t r o n i c s G m b H

    D S 1 . 0 5 2 . 0 7 / 2 0 1 0

    Pipelay Vessel Solitaire

    SAM Electronics GmbHDrives and Special SystemsBehringstrasse 12022763 Hamburg. Germany

    Phone: +49 (0)40 - 88 25 - 27 20Fax +49 (0)40 - 88 25 - 41 [email protected]

    The pipelay vessel Solitaire was delivered to theDutch offshore company Allseas after conversionby the Singapore shipyard Sembawang and bythe English shipyard Swan Hunter in Newcastle.

    With a displacement of 76900 tons Solitaire isthe worlds largest pipelay vessel. She is equippedwith a dynamic positioning system according toNMD class 3, extended firing line and a 108 m

    stinger and has been designed to lay pipes with adiameter of up to 60 inches at a rate of up to 6 kmper day at water depths exceeding those reachedby moored barges. The vessels large hull with 8thruster drives and dynamic positioning permitwork to be performed at unlimited water depthsand under adverse weather conditions, since tugboats for mooring are not required.

    For dynamic positioning 8 synchro-converter fedthruster motors are provided with the followingbenefits:n Reduced operating costs since only the power

    for the thrust actually required is taken fromthe network. Under no-load conditions lessthan 5% of the rated current includingexcitation is required. Asynchronous motorsrequire 20-35% of the rated current underno-load conditions

    n Reduced losses in the low power rangeamounting to approximately 1% of the ratedpower. The losses of a CP propeller at low loadamount to approximately 25% of thepropeller design power

    n High efficiency over the entire speed range

    Scope of supplyn 10 Diesel electric azimuth thruster drives with: - 10 double winding synchronous motors

    4.3 MW, 465 rpm, - 10 synchro-converters 24/12-pulses with

    control systems, - 20 cast resin propulsion transformers 3 MVAn 8 Diesel alternators 8 MVA, 10 kV, 60 Hz, 514 rpmn 2 Switchboards 10 kV with 2 x 18 panels for

    medium voltage distributionn 12 Cast resin transformers 2 - 3.5 MVA for low

    voltage mains supplyn Communication and navigation system