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General Information Name Donghai Bridge 100 MW offshore wind power demonstration project Other names East China Sea Bridge Offshore Wind Farm Phase I Country name China Region Shanghai Comments Round (or category) Development status Fully Commissioned Comments on the status Generating Power Since June 2010 Power & Turbines Notice any Errors? You can keep this an open resource by submitting corrections! Project Capacity 102 MW Turbine Model SL 3000/90 (Sinovel) Turbine Capacity 3 MW Number of Turbines 34 Total Turbine Height 136 m Hub Height 91.00 m Rotor Diameter 90 m Foundation Grounded: High-Rise Pile Cap Download Database for Excel Windspeed 10 Year Mean Wind Speed (2000-2009) Available online now Detailed wind speed data 6 hr/day/month historic data Costs Stated Project Cost USD(mill) 102.00 Location & Environment Sea name East China Sea Centre latitude 30.770° Centre longitude 121.994° Area 14 km2 Depth range (Chart Datum) 7 m - 7 m Depth range stated by developer 10 m - 10 m Distance From Shore (reported) 8 km Distance From Shore (computed from centre) 16 km Ports Installation base Ops and maintenance Grid Converter platforms None Offshore transformers None Grid connection point Donghai Bridge onshore substation (35/110kV) Cable landing point Export Cables Please note that export cables connect the offshore transformer (substation) to either; shore or an offshore HVAC-HVDC converter station for onward transmission via HVDC cabling. Please see the converters page for planned converter stations and transmission cables. The export cable length does not generally include the onshore component. The exception is when the onshore substation is close to shore. Number of Export Cables 1 Average length per cable 78 km Transmission type (e.g. HVAC) MVAC Nominal voltage Maximum voltage Power rating Number of cores 3 Conductor type Section 70-300 mm2 Insulation Number fibre optics Minimum bend radius (MBR) Burial depth Comments 35 kV turbine output transmitted by an increasing-thickness 35kV cable to the onshore substation where it is stepped up to 110kV. Onshore Cables (new) Number of onshore cables Average length per cable Comments Array Cables Array cable length Estimated cable length In purchased database Transmission type (e.g. MVAC) MVAC Nominal voltage 35 kV Maximum voltage Burial depth Number of cores 3 Conductor type Section 150 mm2 Insulation Power rating Number of fibre optics Minimum bend radius (MBR) Comments Benefits Homes powered annually 57033 CO2 reduced per year 115264 tonnes SO2 reduced per year 2681 tonnes Expected life 26.0 years Other Website

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	Added: Fri, 29 Jul 2011 22:46:00 GMT
	It would be most interesting to know the amount of energy produced per year. The information that you give in terms of number of homes powered is not informative, since one does not know what is the average consumption of a home. Best regards, Jacques Treiner
	jtreiner@orange.fr