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오재민(J. M. Oh),한봉준(B. J. Han),최세령(S. R. Choe),이일영(I. Y. Lee) 유공압건설기계학회 2013 유공압건설기계학회 학술대회논문집 Vol.2013 No.10
A wind power-heat generation system which converts wind power directly to heat instead of transforming it to electric power beforehand is considered in this study. The system is composed of a wind turbine part and a heat generation part. The heat generation part is realized by a hydraulic system which includes a hydraulic pump, a hydraulic pipeline, a throttle valve, a hydraulic oil tank and etc. The throttle valve should have function of energy conversion from hydraulic energy to heat energy primarily. In addition, it should have a function of over-speed protection under excessive wind speed at typhoon situation. In this study, the authors suggest two new throttle valve designs which has excellent flow control characteristics under excessive pump driving torque(excessive wind speed). The performances of designed valves are analysed through numerical simulations.