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华北电力大学电力系商国才教授等与贵州省水利电力厅地方电力局联合研制的“ＱＤＹＴ—１型全数字电动液压式水轮机调速器”于２０００年７月１日通过了贵州省科委组织的科技成果鉴定。鉴定委员会认为：该型调速器用步进电动机直接驱动旋转配压阀替代传统的微机水轮机调速器由
Electric Power Department of North China Electric Power Professor Shangcai, etc. and Guizhou Provincial Bureau of Water Resources Electric Power Bureau jointly developed “QDYT-1 all-digital electro-hydraulic turbine governor” on July 1, 2000 adopted the Guizhou Provincial Science and Technology Commission Organization of scientific and technological achievements appraisal. Identification Committee that: This type of governor with stepping motor direct drive rotary pressure control valve to replace the traditional microcomputer turbine governor by