旋转频率 meaning in English
gyro frequency
gyrofrequency
rotational frequency
Examples
- Mechanical vibration of machines with rotational frequencies from 10 s - 1 to 200 s - 1 . basis for specifying evaluation standards
至转秒旋转频率的机器的机械振动.评定标准制定的基础 - Mechanical vibration of large rotating machines with rotational frequencies from 10 s - 1 to 200 s - 1 . measurement and evaluation of vibration severity in situ
转秒旋转频率的机器的机械振动.现场振动强度的测定和评价 - By the test of three - dimensional distribution , form character , rotating frequency and magnetic field intensity of rotating magnetic field , it showed that the magnetic field produced is a highly rotating magnetic field and mainly distribute on welding arc region , rotating frequency and magnetic intensity can be regulated through excitation power source
通过对产生磁场的空间分布,形态特征,以及旋转频率和场强大小的测试证明该磁场是一个高速旋转的磁场空间,而且磁场主要集中分布在焊接电弧区域内,磁场的旋转频率和场强大小都可以通过励磁电源进行良好调节。 - It is tested that the most proficiency method is using pulse - controlled magnet core to generate rotating magnetic field , in which the density and frequency of rotating field can be adjusted , the different form of rotating field can be easily achieved , and both magnetic pole and work piece need not rotate during the magnetic abrasive finishing process
实践证明，最有效的方法是脉冲控制电磁线圈的方法产生。这种类型旋转磁场的强度和磁场的旋转频率都可以得到调节，磁场的不同旋转形式也很容易实现，而且在研磨加工过程中工件和磁极都无需旋转。 - 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。