Electrical Machines for Shipbuilding Industry
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Electrical Machines for Shipbuilding Industry - 1

arture graphic design Electrical Machines for Shipbuilding Industry Propulsion POD Shaft-Alternators Generators Auxiliary-Motors Thruster VEM motors GmbH VEM Competence Centre Nord Schützenstrasse 20 30853 Langenhagen/Hannover Germany Contact: Roland Zänger Phone: + 49 (0) 511 - 726357 - 26 Fax: + 49 (0) 511 - 726357 - 50 E-Mail: rzaenger@vem-group.com Hompage: www.vem-group.com High-voltage machines and low-voltage machines VEM Sachsenwerk GmbH Pirnaer Landstrasse 176 01257 Dresden Germany Contact: Joachim Zwick Phone: +49-(0)351-208-3434 Telefax: +49-(0)351-208-3608 E-Mail: jzwick@vem-group.com Hompage: www.vem-group.com SWD/01-006 E/0808 GD Printed in the Federal Republic of Germany. Changes reserved. Low-voltage machines for auxiliary-drives

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Electrical Machines for Shipbuilding Industry - 2

Origin of photo material: Siemens Norwegen, Project “Bourbon Orca” Shipbuilding certifications of the VEM Group POD-drive asynchronous and synchronous Synchronous propulsion motors Asynchronous propulsion motors Combi drive Thruster or. transversethruster drives Shaft generators Auxiliary drives, low and high-voltage Auxiliary drives, lowvoltage up to 500 kW VEM elecrical motors and generators for use in different types of ships Research and specialpurpose vessels Given their environmental and operating conditions and the demands on reliability, motors for use on sea-going vessels have to...

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Electrical Machines for Shipbuilding Industry - 3

Sailing the seven seas Looking back on a 120-year tradition in electromechanical engineering, the Dresden concern VEM Sachsenwerk with its technical capabilities and know-how has for decades been a traditional provider of electric drive technology in shipbuilding. Each year, 650 employees in a production area of approximately 35,000 m2 develop and manufacture generators and motors for countless types of ships for customers from around the world. VEM Sachsenwerk delivers its products to renowned system providers with years of experience in outfitting ships. The providers size the electric...

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Electrical Machines for Shipbuilding Industry - 4

Shipbuilding certifications of the VEM Group POD-drive asynchronous and synchronous Synchronous propulsion motors Asynchronous propulsion motors Combi drive Thruster or. transversethruster drives Shaft generators Auxiliary drives, low and high-voltage Auxiliary drives, lowvoltage up to 500 kW VEM motors and generators for use in different types of ships Research and specialpurpose vessels Given their environmental and operating conditions and the demands on reliability, motors for use on sea-going vessels have to comply with specific regulations ensuring high technical standards. The...

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Electrical Machines for Shipbuilding Industry - 5

Low-voltage machines for auxiliary drives Seawaterproof VEM machines are the right choice when it comes to powering marine auxiliary units. Technical data Series: asynchronous motors KPER/K11R dimensions and performance specifiations according to DIN EN 50347 asynchronous motors KPR/K10R, transnorm design Frame sizes: Output range: Protection categories: IP55 according to DIN EN 60034-5, higher protection categories available as an option Cooling method: surface-cooled in conformity with IC 410, IC 411(DIN EN 60034-6) IM B3, IM B35, IM B5 and derivative designs according to DIN EN 60034-7...

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Electrical Machines for Shipbuilding Industry - 6

Auxiliary drives (low and high-voltage) VEM asynchronous motors designed for the upper low-voltage and medium-voltage range are in wide use in a variety of forms as deck and auxiliary equipment drives. Our experience in shipbuilding, certified by every relevant classification society, makes VEM products the natural choice not only for propulsion motors and generators. Sachsenwerk’s tried-and-tested standard series “NGA asynchronous motors with gray cast-iron housing” is manufactured with an axle height of 355 to 710. The construction principle guarantees short turn-around times for fast...

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Electrical Machines for Shipbuilding Industry - 7

Technical Data The need for electricity on ships makes sychronous generators indispensable. VEM generators are manufactured as nonsalient or salientpole machines with welded housing and brushless excitation in the IM 1101 model. Output range: Voltage: Speed range: Number of poles: Cooling method: The machines are equipped as required, with digital controllers and accompanying monitoring systems. The majority of our generators use sliding bearings with flange mounting, though antifriction bearings may be used for machines with a lower output. Generators with a particularly high output also...

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Electrical Machines for Shipbuilding Industry - 8

Shaft generators The use of shaft generators in modern shipbuilding allows fuel consumption to be reduced in comparison to the use of conventional, separate diesel units. These special-purpose machines are located right on the main shaft between diesel engine and propeller. The energy needed on the ship can therefore be produced with the help of heavy oil, increasing overall energy efficiency compared with high-speed diesel units. The benefits are substantial, particularly in the case of container cargo ships with their considerable power requirements due to the refrigerated containers on...

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Electrical Machines for Shipbuilding Industry - 9

Thruster drives Electrical motors are used on almost all types of ships, e.g., as thrusters, but also as pump jets. As positioning systems they are indispensable on larger ships nowadays. They also play an important role on pipe and cable-laying ships, as well as on crane barges. For special-purpose ships of this sort, the bow or stern thrusters can have an output of up to 5 MW. The motors are manufactured in the IM 3011 or IM 1001 models with an added air-to-water heat exchanger for a protection degree of IP 54 or open-circuit air cooled for a protection degree of IP23. In addition to...

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Electrical Machines for Shipbuilding Industry - 10

Combi drives VEM propulsion motors as “combi drives” with outputs of 2.75 MW and 3.3 MW are another successful motor series. This new drive concept was developed by VEM in cooperation with the SCHOTTEL company, manufacturer of rudder propellers and propulsion units. The combi drive is the result of combining the compact design of POD drives with the robust technology of standard drives. Through the consistent use of 3-D CAD systems beginning in the design phase, manufacturing is carried out under constant monitoring and control for optimal integration in the overall drive system. Advantages...

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