| 1. | Therefore, the magnetomotive force in the air gap is essentially proportional to the primary ampereturns squared .
所以，气隙中的磁动势实际上与初级安匝数的平方成正比。 |
| 2. | Armature magnetomotive force
电枢磁动势 |
| 3. | Such windings make better use of iron and copper and also improve the mmf waveform and smooth out the torque developed by the machine
这种绕组可以更好地使用铁和铜,并改善磁动势的波形以及平滑电机所产生的力矩。 |
| 4. | As a consequence , the mmf due to the armature current is along the aixs midway between the two adjacent poles , called the quadrature ( or q ) aixs
因此，由电枢电流所产生的磁动势沿着相临的两个磁极，并称为正交轴。 |
| 5. | In the second part , provided that the operating mode of the turbo generator keeps unchanged when the rotor winding appears fault , the magnetic motive force of the field winding will keep unvaried
通过对发电机磁动势的分析，得出发电机在故障前后运行工况不发生变化的条件下，励磁磁动势将会维持不变的结论。 |
| 6. | A commutator - brush combination is used as a mechanical rectifier to make the armature terminal voltage unidirectional and also to make the mmf wave due to the armature current fixed in space
通过使用换流器电刷的组合作为一个机械整流器以使得电枢的端电压为单方向的同时也使得由电枢电流所产生的磁动势在空间是固定的。 |
| 7. | Through cell ammeter and armature magnetomotive force , we qualitativly analyze that harmonic magnetiv field has influence on motor operating performance , it can ensure whether slot coordination suits well or not
通过槽电流表和槽磁动势图定性地分析电机的谐波磁场对电机运行性能的影响，由此确定电机所选槽配合是否合适。 |
| 8. | It is a new - style method of the drive control fed by static transducer in the control of the microcomputer , which makes the stator flux movement discrete . and position and speed outputs can be achieved on the motor axes
它是在微机的控制下由静止变频器供电，使同步电动机定子磁动势离散运动，在电动机轴上得到位置和速度输出的一种新型传动控制方式。 |
| 9. | Shorted rotor winding is a usual electric fault of synchronous machines . based on the analysis of fault mechanism especially the magnetic characteristics of tum - to - turn short circuit of rotor windings in turbo generator , the paper studies the diagnose method , which combines the traditional method with the intelligent method , to identify the fault and the severity
转子绕组匝间短路是一种常见的发电机电气故障，本文对其故障机理和磁动势进行了分析，将传统的方法和智能化方法相结合，对转子绕组匝间短路的存在性和故障严重性进行了诊断。 |
| 10. | Three parts are included as follows : first of all , the basic circuit equation of radial pm generator for autos is given . the effect of reciprocity of pm and winding ' s magnetic force upon winding ' s inductance and current upon magnetic circuit saturation are analysed . according to these , we can obtain optimized design
首先，从本课题采用的径向式结构的三相永磁同步发电机的物理模型出发，得出其基本电路方程式，并分析了永磁磁动势与绕组磁动势间相对位置的不同而对绕组电感不同的影响，相电流对磁路饱和效应的影响，为车用永磁发电机的优化设计提供了理论依据。 |
