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Marine Propulsion Sliprings
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Catalog excerpts

Marine Propulsion Sliprings - 1

06271-MPS.qxp 13-11-2007 15:05 Pagina 3 MPS - Marine Propulsipon Sliprings Manufactured by Cavotec Specimas

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Marine Propulsion Sliprings - 2

06271-MPS.qxp 13-11-2007 15:05 Pagina 2 Specimas Marine Propulsion Sliprings Who we are Where we are How we work Cavotec is a multi-national group of companies serving the following industries: mining and tunnelling, ports and maritime, steel and aluminium, energy and offshore, airports, general industry and automation. In the early 1960’s our main focus was the design and production of motorised cable reels primarily for manufacturers of tower cranes, harbour cranes and mining equipment. Today, Cavotec is connecting mobile equipment around the world in many diverse applications. The...

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Marine Propulsion Sliprings - 3

06271-MPS.qxp 13-11-2007 15:05 Pagina 3 Cavotec Group Organisation As shown here the Cavotec Group is organised to support its customers around the world through its manufacturing units and sales companies. Each Cavotec manufacturing company, no matter where it is located, aims at being a market leader in its field by providing innovative and reliable products to Group customers. Each Cavotec sales company, in the 27 countries where they operate, aims at better serving its local market following the Group philosophy “to be local everywhere”. Manufacturing network Centres of Excellence Local...

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Marine Propulsion Sliprings - 4

06271-MPS.qxp 13-11-2007 15:05 Pagina 4 A revolutionary propulsion system Since the early 1950's, Asea Brown Boveri (ABB) has been supplying electrical propulsion and power plants for half of the world's icebreakers and many special purpose vessels built by Kvaerner Masa Yard (KMY) in Finland. AC/DC power plants and the Cyclo propulsion systems were introduced by ABB and KMY as a new technology early in 1983. New propulsion systems have been developed by other large companies like Schottel-Siemens from Germany and Alstom from France operating under different names as: Azipod (registred...

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Marine Propulsion Sliprings - 5

06271-MPS.qxp 13-11-2007 15:05 Pagina 5 Two propulsion drives ABB azipod propulsion Installed on top of the ABB Azipod system, the MPS slipring system allows the pod and propeller to rotate the total 360 degrees. It’s function is to: • Transfer power (example 3600 Amps, 1,5 KV) from the diesel generators to the revolving outboard electrical motor and propeller through brushes and rings • Transfer auxiliary power, control signals and data signals or optical signals from the pod to the control Siemens-schottel SSP propulsion Installed on the top of the SiemensSchottel SSP System, the MPS...

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Marine Propulsion Sliprings - 6

06271-MPS.qxp 13-11-2007 15:06 Pagina 6 Specimas Cavotec's contribution to a revolutionary propulsion system In the early 90's, ABB Marine and Kvaerner Masa Yard of Finland approached Specimas for a R & D study concerning the power, data and hydraulic transmission for a revolutionary ship propulsion system using an outboard electrical motor instead of the traditional on line shaft inboard diesel powered propulsion. The 360 degrees manoeuvrability requires the installation of a slipring unit able to transmit up to 4000 Amps at 3 kV, data - control through optical fibers, or conventional...

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Marine Propulsion Sliprings - 8

06271-MPS.qxp 13-11-2007 15:06 Pagina 8 Applications The MPS sliprings are installed at the stern of the ship and according to the application can be single or twin, centrally located , or port and starboard side. 8 • Marine Propulsion Sliprings Designed , manufactured and tested to resist to forces of 5 G or more and strong vibrations, the MPS slipring is a vital component to the ship reliability.

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Marine Propulsion Sliprings - 9

06271-MPS.qxp 13-11-2007 15:06 Pagina 9 In this photo of the main electrical control room, the “brain “ of the ship , we can see how the MPS slipring system is integrated in the propulsion system of the ship in order to insure 100% reliability on a ship carrying around 2500 passengers and crew. Marine Propulsion Sliprings • 9

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Marine Propulsion Sliprings - 10

06271-MPS.qxp 13-11-2007 15:06 Pagina 10 Specimas MPS - Marine Propulsion Sliprings KK 940/8 Type: Main Power. Excitation: Auxiliary power: Data transmission: Hydraulic swivel: Approx.dimension: KK 940/8 3500 Amp, 2 kV 500 Amp, 1 kV 20 Amp and 10 rings, 500 V encoder and data lines in EMC enclosure (or FO link) 7 channels - oil, grease, water and air (mounted inside center tube) diam. 1800 mm, height power unit 1500 mm, total height 2500 mm KK 1120/8 Type: Main Power: Excitation: Auxiliary power: Data transmission: Hydraulic swivel: Approx.dimension: KK 1120/8 3500 Amp, 2 kV 500 Amp, 1kV 20...

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Marine Propulsion Sliprings - 11

06271-MPS.qxp 13-11-2007 15:06 Pagina 11 KK 940/7/3 kV Type: Main Power: Auxiliary power: Data transmission: Hydraulic swivel: Approx.dimension: KK 940/7/3 kV 1500 Amp, 3,3 kV 20 and 10 Amp rings, 500 V as option silver plated rings, as option with double brushes encoder and data lines, gold plated rings in EMC enclosure (or FO link) 7 channels - oil, grease, water and air (mounted inside center tube) diam. 1800 mm, height power unit 950 mm, total height 1650 mm KK 648/7 Type: Main Power: Auxiliary power: Data transmission: Approx.dimension: KK 648/7 1900 Amp, 3 kV 50 Amp rings, 400V...

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Marine Propulsion Sliprings - 12

06271-MPS.qxp 13-11-2007 15:06 Pagina 12 A Specimas Team specialized in "MPS" research, control and service Continuous and high-tech research and tests are made in order to optimise materials for this specific high endurance application. Working very closely to the various international certifying institutes we are able to stay updated with the latest specifications and technologies. With a network of 22 own companies and various distributors our Group is present in 40 countries and we are able to supply service and commissioning worldwide in the shortest time. Caspian Sea 1999 The service...

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Marine Propulsion Sliprings - 13

06271-MPS.qxp 13-11-2007 15:06 Pagina 13 Due to the absolute reliability required, sophisticated test instruments are used for the control of each single component. Each and every unit is tested and certified under witness form the classification societies before delivery. Marine Propulsion Sliprings • 13

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Marine Propulsion Sliprings - 14

06271-MPS.qxp 13-11-2007 15:06 Pagina 14 Advantages of the Specimas MPS system Reliable, proven and with long practical experience: 59 sliprings (March 31st 2001 ), with some sliprings having been in operation over 24.000 hours. Complete package supplied on request: power, auxiliary power, control, data transfer, hydraulics, air cooling, steering angle sensing devices, pipes, cables pre-wired and connectors. Easy and low maintenance with self cleaning brushes and rings. Fast replacement of rings or brushes ,in case of necessity, without dismounting the complete slipring assembly. Hydraulic...

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