Transcript
Submarine Cable Solutions, Laying and Challenges
Submarine Solutions fro the Specialist 15-Apr-11 / 1
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Company Profile General Cable
Size:
EUR 5 Billion in Sales Submarine Solutions fro the Specialist 15-Apr-11 / 2
Products:
Copper, Aluminium and Optical Fiber Cables
Sectors:
Utilities, Industrial, Construction and Telecommunications
Plants:
45 Plants in 22 countries
Employees: 12.000 people Strengths:
People, Customers, Technology and Production
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General Cable - Competence Centre NSW
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A leading cable manufacturer A truly global player A clear growth story A solid track record in HV/EHV
• 112 years in submarine cables • 112 years in offshore laying • Stranded and armored cables on the leading edge of industry
A TRUE SYNERGY
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NSW as the group competence centre for submarine cables Investments in MV/HV submarine cable capabilities Investment in own shallow water laying barge R&D programme for HVDC applications
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GC European Plants
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Norddeutsche Seekabelwerke GmbH
› NSW was founded in 1899 by the Deutsch-Atlantische Telegraphengesellschaft and Felten & Guilleaume
› Since 2007, NSW has been a 100 % subsidiary of General Cable (USA)
› 550 employees › Corporate divisions in Nordenham: – Product development & engineering – Cable manufacturing – Project management & project implementation – Sales & marketing – Executive management & administration
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NSW Headquarter in Nordenham Germany
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Submarine power cable factory: power cable engineering & production
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NSW deep water pier, directly located at river Weser, close to North Sea
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12.700 m² storage and handling 6.000 m² logistics and warehouse
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NSW‘s cable laying barge NOSTAG 10
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Office building: 550 employees
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Our Mission
› NSW is the leading MV submarine power cable supplier in Germany
› NSW is one of the Top 3 suppliers for MV submarine power cables in the world
› NSW has a growing reference base in HVAC and HVDC submarine power cables
› NSW maintains its position amongst Top 5 suppliers for repeatered and unrepeatered submarine telecom cable systems
› We achieve additional stability through diversification of product lines
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Submarine Power Cables: Products
› Cables – NSW Cables and jointing technology possess a full range of approvals (Elettra, IEC, ISO Certificates) – Manufacture of all required cable lengths
› Accessories – Long years of experience in offshore operations (Oil & Gas, Telecom, Wind Power) – References for all types of platform connections – Connectors according to customer‘s request
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Submarine Power Cables: Applications
› Offshore Wind Parks (MV and HV up to 220 kV) – Inner Array cables to interconnect wind turbines – Export cables for connecting wind parks to shore or to transformer stations
› Oil & Gas – Power Cables to connect subsea upstream equipment (pumps, compressors, integrated production umbilicals) – Power cables to connect platforms to shore
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Submarine Power Cables: Projects
Offshore Wind Park Alpha Ventus
› Customer: E.ON, Vattenfall, EWE › Location: North Sea, 45 km off island of Borkum
› Project: Offshore wind park, 12 x 5 MW turbines
› Cable type: Submarine power cable 3 x 240 mm2 (30 kV)
› Weight: 28 kg/m › Length: 16 km › Diameter: 125 mm › Fibers: 48 single-mode › Installation: 2008 – 2009
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Submarine Power Cables: Projects
Offshore Wind Park Rødsand II
› Customer: E.ON Vind Sverige AB › Location: Baltic Sea, 13 kilometers off Lolland (DK)
› Project: Offshore wind park with 90 x 2.3 MW turbines
› Cable type: Submarine power cable 3 x 240 mm², 18/30 (36) kV 3 x 120 mm², 18/30 (36) KV
› Dimensions: 80 km, 26 kg/m and 19 kg/m
› Diameter: 125 mm and 110 mm › Fibers: 48 single-mode › Installation: 2009 – 2010 with own barge NOSTAG 10
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Submarine Power Cables: Projects
Bard Offshore I
› Customer: Bard Engineering GmbH › Country: Germany › Location: North Sea, 120 km off Borkum
› Project: Offshore wind park with 80 x 5 MW turbines
› Cable type: Submarine power cable 3 x 95 mm² 18/30 (36) kV 3 x 400 mm² 18/30 (36) kV
› Length: 107 km › Weight: 16.5 kg/m and 32 kg/m
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Submarine Power Cables: Projects
Nord E.ON 1/BorWin alpha
› Customer: Transpower › Country: Germany › Location: North Sea › Project: Offshore wind park DC export cable, ± 150 kV
› Scope: Installation of DC cable › Length: 5 km › Depth: 10 m › Installation: 2009
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Submarine Power Cables: Projects
Island Connection Helgoland
› Customer: E.ON Hanse › Cabletype: Submarine power cable 3 x 95 mm², 18/30 (36) kV
› Weight: 16.8 kg/m › Diameter: 105 mm › Fibers: 32 Single-Mode and 4 multi-mode fibers
› Routing: St. Peter Ording to Helgoland › Length: 53 km › Installation: 2009 with own barge NOSTAG 10
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NSW - Experienced Supplier to European Offshore Wind Industry
Under construction Project name
BALTIC 2
Developer / Purchaser
50Hertz Offshore GmbH Germany
Type of Project / Location
HVAC Export Cable OWF Baltic 2 Baltic Sea 2012 commissioning Cable Supply and Installation Submarine + Land Power Cables 3 x 1200mm² Cu 87/150/(170)kV Submarine Installation: NSW Barge Submarine 62+58 km - Land15 km
Installation Scope of work Turnkey Total length of cable Distance to shore Water depth Project volume
120 km Up to 43 m 195 Mio €
Kriegers Flak = BALTIC 2 OWF : Offshore Wind Farm
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150kV Type Test report (IEC 60840)
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NSW Cable Laying Barge NOSTAG 10
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Cable Design and Production at NSW
• Production capacity: approx. 500 - 700 km/a of MV cables • NSW submarine cables can be manufactured in one length
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Cable Design and Production
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Cable design and manufacturing in accordance with VDE, IEC and specific client standards
One of the largest horizontal closed helix strander in the world Conductor cores from GC Spain (MV) or SILEC (MV/HV) with more than 10,000 km installed base Dedicated R&D programme for HVDC applications
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Cable Storage and Handling
Turntable on NSW plant
• Sufficient cable storage space and facilities at premises • Proven and experienced cable handling installations • Shipment ( incl. handling and load-out) of cables up to 150 kV, 3x1200 mm2 realised Static Cable Tank at NSW Pier
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Cable Loading and Transportation to Site
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Cable Way Land Site
• Cable ways from storage place at NSW cable manufacture and load out at NSW pier are designed according to client’s cable specification
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Cable Installation and Connection to Grid
• NSW‘s cable design is suitable for different J-Tubes and can be handled easily
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Windstatistik und transiente Temperaturerhöhung am Referenzpunkt
Windstatistik Charakteristik Windturbine
Bodenerwärmung im Referenzpunkt
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Ampacity versus Burial Depth
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Losses of the 3 Phase System
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Cable Landing near Pilsum
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Cable pull-in through existing HDD by cable winch or excavator Controlled cable pay out as swimming bight with floating buoys every 2-3 m. Permanent control of tow tension by means of digital measurement Cable securing by anchoring device and NSW Hang-Off head Transition joint between sea and land cable behind anchoring device in joint pit
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Magnetisierung, Ortung und thermische Überwachung
Thermische Überwachu
Innovatum Verfahren
Kabelortung mit Lagebestimmung
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Route Layout
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Crossing Design
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Submarine Telecom Cables: Products
› Highly dynamic telecom cables for the oil & gas industry
› Own approved accessories (e. g. branching units, hang-off heads)
› Optimal fiber protection, minimal stress to fibers
› Submarine cable system repair & maintenance services to ensure optimal network availability
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Offshore and Special Cables
› Product characteristics – Umbilicals for static and dynamic underwater applications – Umbilicals spanning water depths up to 8,000 m – Extra long cable lengths without offshore splices – Use of ultra-high strength steel wires – Compact cable design – Diverse components integration: – Optical fibers – Quads, pairs, coaxial elements – Power cores
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Special Cable Projects for ROVs
› Cables supplied to all German scientific research vessels
› 15 km length ROV cable for pipeline inspection (Norway)
› Dynamic umbilicals for trenching and pumping (2 megawatt for 2,500 m water depth)
› Qualified supplier for all notable manufactureres of underwater equipment
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Contact
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Peter Hungershausen Senior Sales Manager Projects Power Telephone: +49(4731) 82-1330 Mobile: +49(160) 90 81 63 34 Facsimile: +49(4731) 82-2261 E-mail:
[email protected] Internet: www.nsw.com Norddeutsche Seekabelwerke GmbH P.O. Box 14 64, D-26944 Nordenham, Germany Sitz/Seat: Kabelstrasse 9-11, D 26954 Nordenham, Germany
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Thanks for your attention!
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