查询词典 mains frequency

In this process, the supply frequency of the motor is not changed; it is always identical to the relevant mains frequency.

在此过程中，电机的供应频率是不变的。它总是与相关的主频率相同。

The mains frequency is 50Hz in the Soviet Union and Europe,and 60Hz in the United States.

The频率范围内的水管是在苏联和欧洲的50赫兹，以及在美国States。

My "mains" frequency is 60 Hz.

我的市电频率是60Hz。

What we need is a waveform-less voltage, otherwise we'd hear the twice mains frequency waveform.

但我们需要的是没有波形的电压，否则我们会听到交流电源频率两倍的声波，以及大量失真。

As a rule, the mains frequency is imposed on the wind turbine.

原则上，主电网频率是强施于风机上的。

In the case of wind turbines operating in parallel with the mains, a fixed mains frequency is assumed.

在风机与主电网并行运行情况下，应设定固定主电网频率。

Instead, they rotate synchronously with the mains frequency.

相反，他们会随着主频同步转动。

The display operates at mains frequency and the output is approx 120v AC.

显示器工作在电源频率和输出是大约120伏特交流电。

The problem depends on how producing enough electric power when low rotate speed, and how be its changeover mains frequency with best method.

难题取决于怎样在低转速时型成足够的电能，以及怎样用最好的办法把其转化为电网周率。

Therefore it can be seen that it will "smooth" the "twice mains frequency DC" into a near constant DC voltage.

因此它可以把"两倍于电源频率的直流电"进行"平滑化处理"，成为一个接近恒定的直流电。

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。