http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김건훈(Kim Keon-hoon),현승건(Hyun Seung-gun) 한국태양에너지학회 2010 한국태양에너지학회 논문집 Vol.30 No.6
The installed capacity of wind turbines in KOREA are growing and enlarging by the central government's support program. Thus, the importance of power performance verification and its uncertainty analysis are recognizing rapidly. This paper described the power testing results of a 3㎿ wind turbine and analysed an uncertainty level of measurements. The measured power curves are very closely coincide with the calculated one and the annual power production under the given Rayleigh wind speed distribution are estimated with the 3.6~12.7% of uncertainty but, in the dominant wind speed region as 7~8㎧, the uncertainty are stably decreased to 6.3~5.3%
Site calibration이 풍력발전시스템 성능시험 불확도에 미치는 영향 연구
김건훈(Kim Keon-hoon),현승건(Hyun Seung-gun) 한국태양에너지학회 2011 한국태양에너지학회 논문집 Vol.31 No.2
A comparison study between two performance testing results, one is on the site calibration not needed and the other is needed, was proceeded for the understanding on the effect of site calibration on the complex terrain. As a result, it is revealed that all of uncertainty components is effected by the topographical features dramatically. And the maximum difference of uncertainty reached at around 8% of rated capacity of wind turbine. So, the site calibration is an effective method to remove the variable wind effect by the ground complexity and must be proceeded before the power performance testing of a wind turbine.
김세호(Kim Se-Ho),나경윤(Na Kyoung-Yoon),김건훈(Kim Gun-Hoon) 한국태양에너지학회 2006 한국태양에너지학회 논문집 Vol.26 No.2
The use of the wind energy resource is a rapidly growing area world-wide. The number of installed units is continuously increasing, and therefore, it is important to respect and to deal with the impact of wind power generation system. From the view of an electric grid utility, there is a major problem with the impact of the wind system on the voltage of the electric grid, to which a turbine is connected. In this paper, it is investigated the voltage impact and transient state analysis on distribution line, with which wind power generation system is connected. Connections of wind power system usually occur to voltage drop due to reactive power absorption and sometime result in higher than nominal voltage.
현승건(Hyun Seung-Gun),김건훈(Kim Keon-Hoon),허종철(Huh Jong-Chul) 한국태양에너지학회 2011 한국태양에너지학회 학술대회논문집 Vol.2011 No.4
In this study, it is to verify the applicability for a simplified model(IEC61400-2, Design Require-ments for Small Wind Turbines, 2006-03) is the international standard is used to the structural design. In the design process of a wind turbine, the safety of a designed wind turbine is one of the most important factors. The simplified model can be used to determine the design load for small wind turbines. So, this paper has been re-evaluated a small wind turbine design loads that produced already. As a result, the material characteristic value(Rchar) of Blade, Rotor shaft and the tower are 90E6[N/㎡], 441E6[N/㎡] and 94E6[N/㎡]. Therefore, the value of the applied safety factor to each part of the survival probability of 95% are satisfied.