Floater Sizing Tool

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Floater Sizing Tool

OWOE Simplified Sizing Tool

Input

Energy Type	Wind
System Type	Floating Foundation
Subtype	Mono-column
Location	Europe - North Sea
Hs (design)	12.7 m
Water Depth	105.0 m
Turbine Power Rating	6.0 MW
Number of Platforms	5
Distance to Shore	25.0 km

Start Over Update Input

Output

Platform:
Total Payload	726 mt
Displacement	11,488 mt
Turbine:
Hub Height	95.3 m
Rotor Diameter	133.5 m
Turbine Base Diameter	6.8 m

Platform Cost (avg)	$51.7 million

Wind Farm:
Total Power	30.0 MW
Number of rows	1
Number of columns	5
Row spacing (8D)	1,068 m
Col spacing (6D)	801 m
Type Transmission	MVAC
# MVAC Equip Sets	1

Platform Cost (total)	$258.5 million
Trans Sys Cost (total)	$43.2 million
Wind Farm Cost (total)	$301.7 million

Hull Dimensions

Column Diameter	13.3 m
Column Height	96.1 m

Draft	81.0 m
Freeboard	15.1 m

These dimensions and costs are based on a very limited number of floating wind facilities, all of which are prototypes or demonstration facilities at this time. Results should only be used as best estimates at this time. Do not sanction or build a platform using this data.

For help in sizing a platform to meet your unique requirements, please contact:

www.vloffshore.com
(713) 766-6765

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If you like OWOE's platform sizing tool, you can access advanced sizing features by becoming a registered OWOE user. Click here to login or register in order to access advanced features such as weight and cost breakdowns, execution strategies, and project schedules:

Comparison of OWOE Parametric Sizing Algorithms to Actual Platforms - Floating Wind

(values represent ratio of sizing algorithm to platform actuals - color indicates quality of the comparison: green best (+-5%) -> yellow (+-10%) -> orange (+-15%) -> purple (+-25%) -> red worst (>25%), blanks no data)

	Platform Displacement				Column Dimension				Span				Draft				Hull Wt
Development Name	Using Actual Displacement	Using Specified Payloads	Using Advanced Relationships	Using Simple Relationships	Using Actual Displacement	Using Specified Payloads	Using Advanced Relationships	Using Simple Relationships	Using Actual Displacement	Using Specified Payloads	Using Advanced Relationships	Using Simple Relationships	Using Actual Displacement	Using Specified Payloads	Using Advanced Relationships	Using Simple Relationships	Using Actual Displacement	Using Specified Payloads	Using Advanced Relationships	Using Simple Relationships
WindFloat - 2 mw prototype	1.00			1.00	1.00			1.00	1.00			1.00	1.00			1.00
WindFloat - 6 mw production	1.00			1.00	1.01			1.01	0.98			0.98	0.98			0.98
Hywind - 2.3 mw prototype	1.00			1.00	1.24			1.24					0.66			0.66
Hywind - 6 mw production	1.00			1.00	0.95			0.95					1.08			1.08
VLO Y-Wind 3 mw	1.00			1.00	0.99			0.98	1.06			1.06	1.02			1.02
VLO Y-Wind 5 mw	1.00			0.95	1.01			0.99	0.95			0.93	0.99			0.97
VLO Y-Wind 8 mw	1.00			1.01	1.01			1.01	1.00			1.00	0.99			0.99
Average	1.00			0.99	1.03			1.02	1.00			0.99	0.96			0.96
Standard Deviation				0.02	0.09			0.10	0.04			0.05	0.14			0.14