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1.5MW 풍력발전시스템 출력 성능시험 및 불확도 분석
김건훈,주영철,김대호,Kim, Keon-Hoon,Ju, Young-Chul,Kim, Dae-Ho 한국태양에너지학회 2006 한국태양에너지학회 논문집 Vol.26 No.4
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 1.5MW 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 $4.7{\sim}22.0%$ of uncertainty but, in the dominant wind speed region as $7{\sim}8m/s$, the uncertainty are stably decreased to $7{\sim}8%$.
이중 다류관 모델을 이용한 Darrieus 터어빈의 공기역학적 특성 해석
김건훈(Keon-Hoon Kim),박경호(Kyung-Ho Park),정헌생(Hun-Saeng Chung) 한국태양에너지학회 1990 한국태양에너지학회 논문집 Vol.10 No.1
수직축 다리우스 풍력 터어빈의 공기역학적 특성을 해석코자 날개요소이론과 운동량 이론에 근거하는 이중다류관모델을 정립하여 모델풍동실험과 병행하여 비교분석하였다. 이중 다류관 모델은 아직 수정 보완의 여지는 있으나 터어빈을 통과하는 유동의 변화가 심하지 않은 날개끝속도비나 회전면적비가 작은 경우에는 비교적 정확히 터어빈의 공기역학적 특성을 예측함을 알 수 있었고, 모형풍동실험을 통해 정확한 터어빈 회전수제어로서 각 특성변수들에 대한 영향을 살피었다 .<br/> 본 연구의 결과로서는 다리우스 터어빈의 설계 및 운전특성 예측에의 응용이 기대될 수 있다. The aerodynamic performances of Darrieus wind turbine were studied through the wind tunnel model tests and its analytical aerodynamic streamtube model. Hence, analytical streamtube model which is based on momentum and blade element theory is considered and the formulated model was generalized in non-dimensional type to predict the aerodynamic characteristics of Darrieus wind turbine. The analytical model was justified through the wind tunnel model tests for several experimental conditions but in the limited rages. These satisfactory comparative studies between the wind tunnel tests and the analytical predictions can be utilized for the basic reliable design of Darrieus wind turbine.
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%
김건훈(Kim Keon-Hoon),하종호(Ha Jong-Ho) 한국태양에너지학회 2006 한국태양에너지학회 학술대회논문집 Vol.- No.-
This study is a performance testing result of Aurora's 3㎾ wind turbine generating system. It was practiced by Department of Wind Power Research Centre, KIER. The Test location was Daegwan-ryung in Kangwon-Do. The method of performance testing has been made a thing meet IEC's standards for small wind turbine generating system and our main concern of this study had been focused to electrical characteristic performance abilities and its structural stabilities. This result is going to be adaptational reference for certification of this small wind turbine generating system.
김건훈(Kim Keon-Hoon),주영철(Ju Young-Chul),김대호(Kim Dae-Ho) 한국태양에너지학회 2006 한국태양에너지학회 논문집 Vol.26 No.4
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 1.5㎿ 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 4.7~22.0% of uncertainty but, in the dominant wind speed region as 7~8㎧, the uncertainty are stably decreased to 7~8%.
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.