English translation for "组频率"

class frequency

Example Sentences:

	1.	A set of ac power - supply circuits ( usually three ) carrying currents of equal frequency with uniformly - spaced phase differences 一组频率相同，相位彼此相差均匀的交流供电电路（一般是三相） 。
	2.	Every parameter used in the design flood calculation can be adjusted according to the practical requirement . the software can calculate many sets of frequency design flood in the same time 设计洪水计算的各参数均可按照实际需要调整，可同时计算多组频率的设计洪水，极大地扩展了软件的适用性。
	3.	There is difference frequency measurement requirement for every part of pid regulating , difference between dynamic quality and static quality in response time and accuracy . according to these , it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed , the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed , an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor . according to the drive character of five phase of response step motor , a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor 本文利用s7 - 200plc自身的特点设计了频率测量单元，根据pid调节各个环节的特点，以及调速器动态特性、静态特性对频率测量的实时性和精度要求的不同，利用s7 - 200plc基本单元中内置的高速计数器以及相应的外围放大整形、分频电路，实现了水轮发电机组频率的测量；在软件上，对微机调速器的整个程序框架、并联pid的离散化过程进行了分析，选用改进的pid算法实现了变参数、变结构的pid调节模式；调速器的机械液压随动系统具有步进电机电液转换元件，采用五相反应式步进电机，根据其驱动特性设计了变频调压驱动器，实现plc与步进电机驱动器之间数字接口。

Similar Words：

"组配用词" English translation, "组配轴承" English translation, "组配装置" English translation, "组坯1" English translation, "组频次" English translation, "组频数" English translation, "组平均" English translation, "组平均法" English translation, "组平均数" English translation, "组平均数法" English translation