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3㎿급 IEC Wind Class IIa 풍력발전시스템 개발
이기학(K.H. Lee),이상일(S.I. Lee),우상우(S.W. Woo),오인규(I.G. Oh),박종포(J.P. Park) 한국전산유체공학회 2011 한국전산유체공학회 학술대회논문집 Vol.2011 No.5
This paper introduces the design concepts and characteristics of WinDS3000™(TC IIa) which is a trade name of Doosan’s 3㎿ offshore/onshore wind turbine. WinDS3000™(TC IIa) has been designed in consideration of high Reliability, Availability, Maintainability and Serviceability (RAMS) and low cost of electricity (COE) for the TC IIa condition based on GL guideline. An integrated drive-train design with an innovative three-stage gearbox has been introduced to minimize nacelle weight of the wind turbine and to enhance a high reliability for transmission. A permanent magnet generator with full converter system has been introduced to get higher efficiency in partial load operation and grid-friendly system for both 50 ㎐ and 60 ㎐. A pitch-regulated variable speed control system has been introduced to control wind turbine power while generator reaction torque can be adjusted almost instantaneously by the associated power electronics. The wind turbine has been also equipped with condition monitoring and diagnostic systems in order to meet maintainability requirements.