speed of rotation meaning in English
回转速度
旋转速度
旋转速率
转动速度
转速
Examples
- Multistage centrifugal pumps ; mine drainage pumps , with pump total head up to 1000 m at speed of rotation 1500 l min
多级离心泵.转数1500l min时扬程为1000米的矿用抽水 - The max temperature is 250 , and the speed of rotation is 24000 n / m . in every possible condition the test inactivation and the relation each other is must be considered in the design progress
在各种工况条件下,实验器可能发生的失效形式以及它们之间的影响因素,都是在设计中必须要考虑的问题。 - Standing wave ultrasonic motors have many outstanding features for simple drive and control circuit , stationary speed of rotation , smaller undulation , etc . on the basis of referring and analyzing a large quantity of literatures , the following work has been carried out . one exponential form transducer with rectangle cross - section are designed , which are presented in the dissertation , this kind of transducer fit output great power and make ultrasonic motor gain large amplitude effectively
本文在阅读和分析了大量国内外有关参考文献的基础上,做了以下研究工作:设计了一种矩形截面指数形压电超声换能器,这种换能器适合高强大功率超声波的应用,能有效的为电机提供大振幅振动。 - The design of excitation power source based on principle of three phase step motor and pulse width modulation ( pwm ) technology , intelligent power model ( ipm ) is used for inverter switches , the output ac pulse used as excitation signals . the speed of rotation and magnetic intensity can be changed by regulate the exciting converted frequency and magnitude of exciting current . constant current is achieved by closed loop feed back
励磁电源结合步进电机原理与脉宽调制技术,选用智能功率模块ipm作为逆变开关器件,输出交流脉冲励磁信号,以调节励磁转换频率和励磁电流大小为手段,实现对磁场旋转频率和磁场强度大小的有效调节,并通过闭环反馈实现闭环恒流控制。