调速

Whether governor of a turbogenerator can work normally depends upon the performance of foam resistance and air release value of No.

68号汽轮机油抗泡性能的好坏以及空气释放值的大小直接影响到汽轮机发电机组的调速器能否正常工作。

Unfortunately, there is inevitably difference in characteristics of the induction motors and converters in a parallel AC drive system, therefore each induction motor as well as converter can not operate at the same working point, some may be overload, some underload.

并联着的各个交流调速系统的负载是不均衡的，这是因为逆变器所带的负载—异步电动机参数及特性不可避免地存在差异，两或多台逆变器作为电源，其等效参数也很难一致，各驱动轮径总存在偏差，因此各台逆变器的输出电流和各台异步电动机的定子电流是不相一致的，有的逆变器、异步电动机可能过载，有的还可能欠载。

A device used to maintain uniform speed in a machine; a governor.

稳定器：在机器中维持统一的速度的装置；调速器

1Driving form: speed-regulate of frequency converter + universal shaft coupling + synchronous belt with high accuracy in synchronism, high in mechanism and guarantee in lifetime of the components.

传动型式：变频器调速+万向联轴器+同步带，同步精度高，机械效率高，构件使用寿命保证。

DSP-based variable frequency AC motor speed control system, he is more use of the procedure.

基于DSP的交流电动机变频调速控制系统，他是比较使用的程序。

By analyzing both the technological advantages to show the development of AC variable frequency speed control system .

通过分析二者的技术优势展望了交流变频调速系统的发展方向。

The technique of variable frequency speed adjustment is one of new application techniques advocated by our state.

变频调速技术是目前国家大力发展的新兴应用技术之一。

We propose a hardware design for an all-digital AC variable speed control system.

讨论了基於DSP-TMS320F240的全数字交流调速系统的硬件设计。

The application of adjustable speed with variable frequency technology in spindle drive system was studied.

研究了变频调速技术在主轴驱动系统中的应用。

However, the development of variable frequency and adjusting speed technique has a close relationship with the development of power devices.

然而，变频调速技术的发展始终与电力电子元器件的发展密不可分，每一次元器件的飞跃都会带动变频技术的迅速发展。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。