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윤광용(Yoon Kwang Yong),유능수(Yoo Neung Soo),백인수(Paek In Su) 강원대학교 산업기술연구소 2008 産業技術硏究 Vol.28 No.1
A linear wind prediction program, WAsP, was employed to predict wind speed at two different sites located in complex terrain in South Korea. The reference data obtained at locations more than 7 kilometers away from the prediction sites were used for prediction. The predictions from the linear model were compared with the measured data at the two prediction sites. Two compensation methods such as a self-prediction error method and a delta ruggedness index (RIX) method were used to improve the wind speed prediction from WAsP and showed a good possibility. The wind speed prediction errors reached within 3.5% with the self prediction error method, and within 10% with the delta RIX method. The self prediction error method can be used as a compensation method to reduce the wind speed prediction error in WAsP.
윤광용(Yoon, Kwang-Yong),백인수(Paek, In-Su),유능수(Yoo, Neung-Soo) 한국신재생에너지학회 2008 한국신재생에너지학회 학술대회논문집 Vol.2008 No.10
A linear wind prediction program, WAsP, was employed to predict wind speed at two different sites located in complex terrain in South Korea. The reference data obtained at locations more than 7 kilometers away from the prediction sites were used for prediction. The predictions from the linear model were compared with the measured data at the two prediction sites. Two compensation methods such as a self-prediction error method and a delta ruggedness index (RIX) method were used to improve the wind speed prediction from WAsP and showed a good possibility. The wind speed prediction errors reached within 3.5 % with the self prediction error method, and within 10% with the delta RIX method. The self prediction error method can be used as a compensation method to reduce the wind speed prediction error in WAsP.
육상용 2㎿급 직접구동형 풍력발전기의 성능 민감도 분석
노주현(Joo Hyun Rho),윤광용(Kwang Yong Yoon),이권희(Kwon Hee Lee) 대한기계학회 2010 대한기계학회 춘추학술대회 Vol.2010 No.11
Load calculations for wind turbine system design are important to determine the efficiency of wind turbine system. Although mean wind speed or turbulence intensity satisfy the designed values based on the Regulations, the designed values can be different to the values on real wind conditions. To know the characteristics in sharply turned, the performance analysis and sensitivity calculations were carried out by applying the ranges of 7~10㎧ mean wind speed and 14~20% turbulence intensity about 2㎿ direct drive wind turbine of IEC class Ⅱ designed for onshore. The sensibility of Hyundai Rotem wind turbine changes rapidly in region Ⅱ on power curve diagram through a torque control to a pitch control. This results could be applied to the optimal control logic design by the load calculation results.