| 1. | Stephen came out of the hot mill into the damp wind and cold wet streets, haggard and worn . 斯梯芬形容憔悴,筋疲力竭,从闷热的工厂里走了出来,到了凄风冷雨的街道上。 |
| 2. | Stephen came out of the hot mill into the damp wind and cold wet streets , haggard and worn 斯梯芬形容憔悴,筋疲力尽,从闷热的工厂里走出来,到了凄风凉雨的街道上。 |
| 3. | The no - loading emf of prototype and the no - loading emf of conventional generator are contrasted and analyzed , in the condition of considering the influence of damping winding and core saturation 并在考虑铁心饱和、考虑阻尼绕组影响情况下,将传统发电机的空载电势与电力发生器样机的空载电势进行了比较、分析。 |
| 4. | Few research refers to the dtc in electrical magnet synchronous motor ( emsm ) . this paper analyses the characteristic of dtc in this kind of motor and simulates the scheme of this motor without the damper winding 在永磁同步电机直接转矩控制的研究基础上,本文对电磁式同步电机直接转矩控制理论和方案进行了初步仿真研究。 |
| 5. | On the basis of these theories , the no - loading emf of powerformer is analyzed and the no - loading waveform deviation factor is taken out , in the conditions of considering the influence of damping winding and not considering it 在这些理论基础之上,分析了考虑阻尼绕组影响与不考虑阻尼绕组影响两种情况下电力发生器的空载感应电势,求取了空载电势波形畸变率。 |
| 6. | Considering the influence of damping winding and if core is saturated or not , the no - loading emf waveform of a conventional generator having the same size with the prototype ( except the stator slot ) is analyzed , and the waveform deviation factor is taken out 对一台具有与电力发生器样机相同尺寸(除定子槽形)传统发电机的空载电势波形进行了分析。分析了不考虑铁心饱和、考虑阻尼绕组影响和考虑铁心饱和、考虑阻尼绕组影响两种情况下,它的空载感应电势,求取了空载电势波形畸变率。 |
| 7. | In this thesis , the basic operation theory of salient - pole synchronous motors is discussed ( based on the analysis of the electromagnetic relationship among stator winding 、 rotor winding and damper winding , the transitional process of salient - pole synchronous motors ( asynchronous starting , the thesis provids a novel control method and connection of exciting winding during salient - pole synchronous motors ( asynchronous starting 本文论述了凸极同步电动机的基本运行原理,在分析了凸极同步电动机定、转子绕组及阻尼绕组的电磁关系的基础上,研究了凸极同步电动机异步起动的过渡过程,提出了一种新型的凸极同步电动机异步起动过程中励磁绕组控制方法和线路。 |
| 8. | According to the no - loading waveform deviation factor , the prototype conforms to the national design standard and practical needs in the engineering . more important , the high voltage is achieved . in the condition of considering core saturation and damping winding influence , the influence to powerformer of the no - loading tooth harmonic emf is smaller than conventional generator , and the waveform deviation factor of the former is smaller , too 由求得的样机空载电势波形畸变率可知,该样机满足国家设计标准和工程实用要求,更重要的是,实现了产生高压的目的;考虑铁心饱和、考虑阻尼绕组影响情况时,电力发生器与具有相同尺寸(除定子槽形)的传统发电机相比,空载齿谐波电势对电力发生器的影响较小,前者的空载波形畸变率较小。 |