풍력에너지 저널 (Journal of Wind Energy)

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Info. Vol.10 - No.3 (2019.09.30)
DOI kwea.2019.10.3.001
Title 능동 요 제어 알고리즘의 비교 연구(Comparative Study on Active Yaw Control Algorithms)
Authors 최한순*․이호철**․방조혁**
Institutions * 유니슨 풍력연구소 (교신저자),** 유니슨 풍력연구소
Abstract This paper suggests and compares two algorithms, a moving average filter method and a method developed by the National Renewable Energy Laboratory (NREL), to verify the yaw control algorithm characteristic to reduce yaw error for a wind turbine. A characteristic change for yaw movement in accordance with control parameter change that consists of each control method has been verified. Also, yaw simulations were performed using nacelle wind data measured from two areas with different turbulence intensities and the yaw movement data in each area was compared. These two algorithms and real data were compared by calculating mean absolute error (MSE) and the number of yawing (NY). As a result of the analysis, the MSE values were not significantly different between the two algorithms, but the algorithm proposed by the NREL was found to reduce yaw movement by up to 50 percent more than the moving average filter method.
Keyword Wind turbine (풍력터빈), Yaw control (요 제어), Yaw error (요 오차), Moving average filter (이동 평균 필터)
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