Offshore Wind China 2010
Bergen, 15th March 2010
Olivier Angoulevant Nexans Norway AS
At the core of performance
At the core of performance : a worldwide leader
Worldwide leader in cables, cabling systems and related services Sales in 2008 of 6.8 billion Euro Listed on the NYSE Euronext Paris
Sales by destination *
South America Asia-Pacific
Middle East, Russia, Africa
Europe
North America
* Based on sales at current metal prices (Proforma Madeco cables and Intercond over 12 months)
At the core of performance in infrastructure, industry and building markets
A global player in the infrastructure, industry and building markets with energy as the basis of its leadership development
Sales by key market *
Industry
Building
Infrastructure
* Based on sales at current metal prices (Proforma Madeco cables and Intercond over 12 months)
At the core of performance : a worldwide presence
Industrial presence in 39 countries and commercial activities worldwide 22,400 local experts Mastery of national and international standards
Nexans Norway AS 1915 -
Nexans Norway AS
Employees January 2008: 1139
Rognan
Oslo (HQ)
Namsos
Langhus
Karmy
Halden
Telecom and Building
Energy Networks
Energy
Nexans Norway in Japan
Tokyo Bay
Energy
A submarine history as long as applied electricity
1500 submarine power cables in 100 years Submarine Cables ranging from 12 to 550 kV Power cables and umbilicals for the offshore industry for 35 years
Challenging coastline, deep Offshore exploration inwater (500 m)
35 years, water depth >2000 m
Halden, Norway
Specialised in submarine projects Cable and Umbilical systems for Offshore applications
Overview of offshore cable system 0 - 2000 m water depth
The task: Power, telecom from here to here
Cable Accessories Hang-off, jointing & termination
Transport & Laying
Oil & gas Umbilical design and manufacture
Platform or Onshore
Protection by Trenching
Offshore wind power generation
Additional Protection
Cable design and manufacture
State of the art and latest technology developments in HVAC transmission
2002 Horns Rev 1 and 2 Offshore Wind Farm, 170kV 3x630 mm2 2003 Smola Wind Farm, 132kV 3x500 mm2
Armour wires
Fibre optic cable
Conductor
2005 Barrow Offs Wind Farm, 132kV 3x300 mm2
XLPE insulation system
Outer corrosion protection
2006 Lynn and Inner Dowsing 36kV 3x185-240-630-1000 mm2 2008 Wolfe Island Wind Farm, 245kV 3x500 mm2
Lead sheath
Combined cables: 3-core Power Cable with Fibre Optic
Cable Technology AC possibilities
Per circuit (3-phases): 400kV 1-core cable:1000 MW to 100 km 230kV 3-core cable: 300 MW to 200 km 400 MW to 75 km
1200 MW
Un=400 kV
1000 MW
Voltage quality: + 10% change between no load and full load
Max. 10% loss
800 MW
600 MW
Un=230 kV
Buried 1 m
Temp. 10 C
400 MW
Un=150 kV
200 MW
Un=132 kV
XLPE
0 MW 0 km 50 km 100 km 150 km 200 km 250 km 300 km 350 km 400 km
State of the art and latest technology developments in HVDC transmission
Three in one cable.
Mass Impregnated (MI) DC cable with Integrated Return Conductor => eliminates the use of Sea return electrodes. Fibre Optic element integrated
500 kV 800 MW Mass Impregnated
Next step : 500 kV extruded polymer alloy => lighter in weight and reduced cost
AC submarine cables Horns Rev 1 and 2 experience
Technological status
Nexans installed the worlds first 170 kV 3-core XLPE insulated submarine cable to the Horns Rev offshore wind farm in 2002. Cable length 21 km Power transmission capacity 160 MW Step 2 (210 MW) of this wind mill farm Horns Rev II (43 km) was installed in Oct. 2008
AC submarine cables
Wolfe Island Submarine Power Cable
Location: Canada
Customer: Canadian Renewable Enregy Corporation (CREC)
Description / Challenge Worlds first 3-core 245kV XLPE submarine cable Supply of related accessories Nexans Solution / Technology 8 km of TKRA 245kV 3x1x500mm2 Spare cable joints Onshore accessories
Hywind Project
Location: Norway Customer: Statoil Hydro Description / Challenge Supply of subsea cable for the worlds first floating windmill Supply of related accessories Nexans Solution / Technology 11 km of XLPE 24kV + 24 FO submarine cable Spare cable joints Other accessories Marine installation
London Array
Location: UK Scope of work: 4 export cables TKRA 170kV 3x1x630mm2 TKRA 170kV 3x1x800mm2 800mm2 at each 3km end 47-48km 630mm2 main length Delivery: 2 Cables in 2011 2 Cables in 2012
Lincs, Offshore Windfarm
Location: UK Customer: Centrica (Lincs) Ltd Scope of work: 250 MW TKRA 145kV 3x630/1000mm2 Two lengths of 49km, 98km total Including a Fiber Optic element 84 fibers Joints, drum for spare length and accessories
Sheringham Shoal, Offshore Windfarm
Location: UK Customer: SCIRA, Statoil (50 %) and Statkraft (50 %) Scope of work: 315 MW 2 x 21km TKRA 145 kV 3x1x630 mm 2 x 0.2km TKRA 145 kV 3x1x1000 mm Including a FO element Joints, spare length and accessories
Ormen Lange Grid Connection
Location: UK Customer: Statnett Scope of work: 1000 MW TKRA 420kV 1x1200 mm 4-500m land sections on both sides 2.4km submarine cable Maximum water depth of 210 m
Transformer station
420 kV cable
Nyhamna Transformer station
Chong Ming Chang Xing
Location: China 2x80 MW capacity 2x9km, TKRA 123kV 3x1x400mm2 Chinas largest XLPE submarine cable (78 kg/m, 189 mm) Nexans design, manufacturing, transport
Hainan
Location: China 600 MW capacity 3x31km, 525kV, 800mm2, single core Chinas largest submarine cable system Nexans design, manufacturing, installation and transport
Primary coated fibre Steel tube Inner sheath polyethylene ,
3 cables 2009
4 cables 2014?
Armour steel wire , Outer yarn serving
Dynamic applications
Dynamic AC cables Nexans Norway has experience with dynamic MV XLPE AC cables since 1980ies Platforms, FPSO
In-house expertise on dynamic analyses and cross section analyses by Riflex, UFLEX
Marine Installation Laying
Very long cables
(> 120 km, 7000 MT)
Protection
Protection against hazards, such as Anchoring
Fishing
Dropped objects
Protection The CAPJET ROV system, by Nexans
Trenching in soft to hard sediments Trench depth 0.5-3 m Operation to 1000 m water depth
Very small risk of cable or pipeline damage during operation
No external forces imposed to cable or pipeline during trenching Operational close to cables/pipelines/platforms without risk of damage Trenching of pipeline crossings
Extra protection
Concrete bags
Mattresses
Rock dumping
Thank you for your attention!
Olivier Angoulevant olivier.angoulevant@nexans.com +47.47.67.75.11
