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김영찬(Kim, Young-Chan),정진화(Chung, Chin-Wha),이응채(Lee, Eung-Chae),전중환(Chun, Ch.-H.),한경섭(Han, Kyung-Seop),김용환(Kim, Yong-Whan) 한국신재생에너지학회 2006 한국신재생에너지학회 학술대회논문집 Vol.2006 No.11
As the needs of wind energy increase, the more sites for the wind farm are required. As a part of searching for the prominent wind farm site, specially for offshore wind farm, we chose 4 sites along the southern part seashore of JeonNam province based on the analysis of the data gathered by meteorological observatory ud have gathered wind data for more than a year by use of 40m Met masts installed in the representative locations, ie. small islands of 4 different bay area. The siting for the Met masts were very limited by the geographical circumstances The wind data of those areas show a little lower annual average wind speeds, for the wind farm development, of 4m/s to 5.5m/s at the height of 40m above the ground level of the respective islands. The detail figures of one year wind data of those area are presented in this report.
Mechanical Design of a 750 ㎾ Direct - drive Wind Turbine Generator System
손영욱(Y. U. Sohn),손정봉(J. B. Son),박인수(I. S. Park),김영찬(Y. C. Kim),김경렬(K. R. Kim),정진화(C. W. Chung),전중환(Ch. H. Chun),류지훈 박지훈(J. Y. Ryu),박진일(J. I. Park),변철진(C. J. Byun),김두훈(D. H. Kim) 한국유체기계학회 2004 유체기계 연구개발 발표회 논문집 Vol.- No.-
A prototype of 750 ㎾ direct-drive wind turbine generator system, KBP-750D is under development in Korea. For the gearless, direct-drive prototype a synchronous generator with permanent magnets has been developed. The upwind 3-blade type machine employs variable speed and pitch control. The operating ranges of wind and rotor speed are 3 to 25 m/s and 9 to 25 rpm, respectively. The tip speed ratio of rotor blade is 7.5, designed for power coefficient 0.47. The blade pitch and torque are controlled with the predefined torque-speed curve according to the conditions of wind and public electric grid. This paper describes the outlines of primary components of KBP-750D.