| 词条 | DeWind |
| 释义 |
| name = DeWind Inc. | logo = | type = Incorporated | foundation = 1995 | location = Hamburg, Irving | products = Wind Turbines | homepage = www.dewindco.com }} DeWind was an internationally active producer of wind power plants, originating in Germany. The company was founded in 1995 and is based in Irving, Texas, and Hamburg, Germany. DeWind has the legal form of a corporation, and, since September 2009, it has been a subsidiary company of Daewoo Shipbuilding and Marine Engineering (DSME), a large shipbuilder based in Korea. Manufacturing takes place in Lübeck and Round Rock, Texas. More than 900 DeWind turbines have been erected worldwide, with a total capacity of over 1600 MW. The company was since 2015 in liquidation and was deleted in the German Trade Register in December 2017. Turbine typesThe first produced wind turbine was the D4 1996, with a capacity of 500 kW (later 600 kW). In 1999, this turbine was followed by the D6 with 1 MW capacity. In 2000, the capacity of this plant was increased to 1.25 MW.[1] After a development period of two years, in 2002 the D8 went into production with a capacity of 2 MW.[2] Already in the mid-1990s, the D4 was produced with active pitch regulation as well as a doubly fed induction generator. This technology proved itself and, therefore, was implemented in the following models D6 and D8. Especially advantageous are the decoupling of the rotational speed of the turbine rotor and the grid frequency. By using the inertia of the turbine rotor, it reduces mechanical loads on turbine components and prevents peaks in electricity feed-in. The D8.2 has been developed based on the D8 and has been in production since 2006. The plant has been equipped with a hydrodynamic windrive[3] Gearbox. This allows the variation of the rotor speed independent of generator speed. A decoupling of generator rotation speed and grid frequency becomes redundant by this means. The synchronous generator of this turbine is coupled directly with the grid. The system is unique on the wind energy market. According to DeWind, it is advantageous regarding the quality of fed-in electricity as well as regarding behaviour in case of grid failure. Also, patents of the wind turbine producer GE Energy are not violated with this technology. The turbine is offered with 50 Hz as well as 60 Hz design.[4] Record-holding turbinesThe world's highest wind turbine of company DeWind is located in the Andes/Argentina to {{convert|4100|m}} above sea level. Turbine type D8.2 - 2000 kW / 50 Hz was used for that site. This turbine has a new drive train concept with a special torque converter (WinDrive) of the company Voith and a synchronous generator. The wind turbine was put into operation in December 2007 and has supplied the Veladero gold mine of Barrick Gold with electricity since then.[5][6][7] See also
References1. ^Technical Data D6 2. ^Technical Data D8 3. ^Technical Data windrive 4. ^Technical Data D8.2 5. ^https://www.youtube.com/watch?v=VxYm2bWUdjo 6. ^http://www.voithturbo.com/vt_en_pua_windrive_project-report_2008.htm 7. ^{{cite web |url=http://www.windfair.net/pdf/VTCW_DEWIND-report-Veladero_2009-01_en.pdf |format=PDF |title=DeWind D8.2 HE 50Hz Veladero, Argentina |publisher=DeWind |accessdate=2010-04-16 |date= |deadurl=yes |archiveurl=https://web.archive.org/web/20110724131356/http://www.windfair.net/pdf/VTCW_DEWIND-report-Veladero_2009-01_en.pdf |archivedate=2011-07-24 |df= }} External links{{Commons category}}
4 : Engineering companies of Germany|Defunct wind turbine manufacturers|Manufacturing companies based in Hamburg|Manufacturing companies based in Texas |
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