Offshore Wind Farm Design: Installation
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Transcript of Offshore Wind Farm Design: Installation
1
1
Installation
2
Outline
• Parts to install
• Equipment and methods per item
• Example for Horns Rev
Tomorrow:
A2Sea and Ballast Nedam
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3
Parts to install
4
Parts to install
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5
Parts to install
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Parts to install
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7
OWT installation
•Foundation pile
•(Transition piece)
•Tower
•Nacelle
•Blades
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OWT installation
Foundation pile:
•Driving
•Drilling
•Suction
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Scour Protection Installation Driving Pile
OWT installation
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OWT installation
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11
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7
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Suction Bucket for 3MW turbine in Frederikshavn, Denmark
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OWT installation
Transition Piece:
• To connect all external details: boat landing, J-tubes, platform
• To correct driving misalignment
• To offer a flange
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OWT installation
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OWT installation
At Arklow Banks: misalignment < 0.1o
Arklow Wind Farm, Ireland7 x GE 3.6 Offshore
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17
OWT installation
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Slip-Joint
OWT installation
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19
OWT installation
20
Turbine installation
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Turbine installation
“Bunny Ear Method”
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Cable installation
•In-field cables
•Shore connection
•Connection to turbine
•Landfall
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23
Cable installation
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Cable installation
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Cable installation
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Cable installation
Trenching against:
•Fishing gear
•Anchors
•….
Or rock-dump
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Cable installation
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Shore Connection
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Shore Connection
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Shore Connection
Directional Drilling
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Transformation Platform
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Transformation Platform
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# of vessels
•Foundation pile•Transition piece•Tower + turbine•Rock dumping•Cable laying•Trenching•Diver support
•Heavy lifting•Shore connection•Tugs•Personnel transp.
11 topics
> 20 vessels
34
Players
A2Sea
18
35
Players
Mammoet van Oord
36
Players
Seacore
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37
Players
Mayflower Energy