电机的

A three-phase AC motor is refitted by aero-static technology so that the motor performance has been improved remarkably.

对普通三相交流电机采用了独创的利用气体静压技术的精化措施，从而大大改善了电机的性能。

Through multi-pole design,"u=1" armature winding and broadening brush to minimize the commutator's effective length, such an arch commutator is feasible.

运行实践表明，电机的转速及换向器的设计质量和制造质量对电机的换向影响较大，在同一平均电抗电势

First removed the external electrical wiring, and do a good job in marking, for example, asynchronous motor, three-phase power should be prepared with the corresponding tag line for the DC motor, and Patrick do a good job should be winding, armature winding, etc. corresponding with the external wiring tags.

先拆下电机的外部接线，并做好标记，例如对于异步电动机，应做好与三相电源线对应的标记，对于直流电机，应分别做好并励绕组、电枢绕组等与外部接线对应的标记。

For a series of advantage such as the simple structure, low cost, reliable running convenience maintaining and so on, the capacitor in one-phase motor has already widely applied in home appliances and small power drive.

在当今中国，单相电机的应用特别是在农村中非常之普遍，而中国农村的比重很大，因而对于单相电机的研究很有现实价值。

Based on the theoritical study of fuzzy control and the related data including temperature of the burning zone of cement rotary kiln,temperature of emitout from the kiln,the rotary speed of coal feed motor and rotary kiln motor,the paper offers the designation of a fuzzy controller.

本论文通过对模糊控制理论的研究，并采集水泥回转窑烧成带温度、窑尾废气温度、喂煤电机的转速和回转窑驱动电机的转速等相关数据，设计了一个Fuzzy控制器。

So the finite element method is applied to analyze the magnetic fields of the motor. And then some important parameters of the motor are calculated accurately, including flux leakage coefficient, computed pole embrace, and computed armature length and so on .

本文采用了场路结合的方法，首先利用磁路法对电机进行初步设计，然后建立有限元分析模型对电机的参数和性能进行精确分析，采用这样的方法不但可以满足精确性要求，同时可以缩短设计周期。

The stators internal faults, which often occur in the synchronous machine, will cause serious damages to machines and power system.

同步电机的定子绕组内部故障是电机中常见的破坏性很强的故障。

A large number of oil extractor are used in oil field,because of all these equipment's electromotor running efficien cy is very low,a great deal of electricity energy is wasted.

油田采油设备使用大量的游梁式抽油机，由于抽油机电机的运行效率很低，浪费了大量的电能，目前也采用了许多电机节能技术，但效果均不佳。

The experiment results showed that the Ultrasonic Motor can meet the high precision requirement of micrometer scale by using the Proportional-Integral controller.

本系统的实验结果表明：采用PI控制器对超声电机的控制，在微米尺度下可以达到较高的精度要求。关键词微机械臂；超声电机；DSP

A brief introduction about the structure and foundamental rotation theory of switch unit in switched reluctance motor is given.

在线性模式的基础上，对开关磁阻电机的转矩进行了理论分析和计算；由此提出了开关磁阻电机的两种控制方式：低速斩波控制和高速单脉冲控

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。