接力器 meaning in English

servomotor (水轮机的)

Water system . water pressure actuator . type and size
水系统.水压接力器.型式与尺寸
Water system . oil pressure actuator . type and size
水系统.油压接力器.型式与尺寸
The valve is driven by hydraulic , the oil pressure can reach 16mpa to reduce the volume of relay device
该阀开启采用液压驱动，油压可达16mpa ，减小了接力器的体积。
Assembling together the hydraulic device , electric automatic control box , relay device , control oil pipe and valve in one place , the user needn t equip additional parts
将结构简单，体积小的油压装置，电气自动控制箱，接力器，控制油管很紧凑的与阀门集成在一起，不需用户另配置。
The main function of a governor is to monitor the speed deviation of a hydro turbine unit and convert it into the displacement deviation of the servomotor according to a specific characterisic . it is used to control the opening of the guide apparatus and to ensure the unit run steadily at fixed speed under a given load
调速器的主要功用是检测机组转速偏差，并将它按一定特性转换成接力器的行程偏差，借以调整机组导水结构的开度，使机组在给定的负荷下以给定的转速稳定运行。