机组

At last, the imitation experiments of wind turbine operation characteristics were performed, The experiments were done under two typical conditions of variable wind speed and variable machine velocity.

对风速变化及机组转速变化两种典型运行条件下的风力机运行特性进行了模拟实验，模拟结果与理论数据达到了高度的吻合。

Basing on the analysis of Park model and the vector diagram of hydro generator and taking its actual wiring in the power system into account,this paper develop an accurate method—Newton analytical method,to calculate the static stability boundary condition.

本文通过对水轮发电机派克方程和矢量图的分析，并考虑其在电力系统中的实际联结情况，建立一种精确的水轮发电机静态稳定边界计算方法———牛顿解析法，用此方法对多台机组静态稳定边界点所有参数的计算结果与试验实测值进行比较，误差很小，达到了足够的准确度。

Newsprint business card printing and membership card manufacturing process of judging silk thread of the amount of vertical expansion is small, about to landscape of 1/2 to 1/3, generally by adjusting the registration regulation units eliminate roll, overprinter precision.

新闻纸制卡和会员卡制作过程中顺丝缕的纵向伸缩量较小，大约为横向的1/2～1/3，一般通过调整机组间的套准调节辊予以消除，对套印精度影响不大。

Add cement mantle on tower reduce the vibration of generator set.

在塔架上段增加水泥环，减少了机组的振动。

In order to optimizing the vibration isolation of some diesel generator set ,an analysis of the vibration character and excitation forces of it is presented through theory study and vibration testing.

通过对频响函数的测试，获得了某型柴油发电机组隔振系统各阶刚体模态频率和弹性模态频率，分析了该机组振源和振动特点。

The method of renovating the new type water pump and motor is presented to improve running efficiency.

更换后，机组的运行效率比以前大大提高，能耗明显降低，年可节约电耗约7.8万kWh，折人民币4.3万元。

Therefore, the maintenance of a reliable water pump is the first issues to consider.

因此，水泵机组的可靠维修性是首先要考虑的问题。

Large water pump repair of a direct impact on time to repair, maintenance quality and maintenance costs.

大型水泵机组的维修性直接影响维修时间、维修质量和维修费用。

Meanwhile, the vibration of plant structure induced by water-power set has become key problem in designing and operation.

同时，由机组振动诱发的水电站厂房结构的振动也已经成为水电站运行和设计的关键问题。

Detailed content and main conclusion of this paper are listed below: In chapter 1, general Situation and existed conditions of vibration of water-power set and plant are introduced, the new method of signal analysis such as wavelet analysis, fractal geometry and the problem to be solved in this paper are summarized.

具体思路和研究内容如下：第一章绪论部分简要介绍了水电站机组振动及厂房结构振动的现状、存在的问题以及未来的发展动态，对本课题所要用到的小波、分形等现代信号处理方法及本课题所要解决的问题进行了归纳和说明。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。