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Characteristics of Filters for Signal Processing Applied to Wind Turbine Controllers
문석준(Moon, Seokjun),신윤호(Shin, Yunho),정태영(Chung, Taeyoung),임채환(Rim, Chaewhan),류지윤(Ryu, Jiyune) 한국신재생에너지학회 2011 한국신재생에너지학회 학술대회논문집 Vol.2011 No.11
In variable-speed variable-pitch wind turbines, the conventional approach for controlling power-production operation relies on a generator-torque controller and a rotor-collective blade-pitch controller. Both controllers use the generator speed measurement as the sole feedback input. In order to mitigate unwanted excitation of the control system, many filters are adopted. In this study, the characteristics of some filters for signal processing are investigated based on frequency response function. They include low-pass filters, band-pass filters, and notch filters. Especially, this study focuses on design parameters of their filters.