| 1. | Most conventional permanent magnet motors can accept an armature current three or four times the rated current .
大多数普通的永磁式电动机能承受34倍额定值的电枢电流。 |
| 2. | Analysis of armature current for rare earth permanent magnet synchronous machine
稀土永磁同步电机的电枢电流分析 |
| 3. | Most conventional permanent magnet motors can accept an armature current three or four times the rated current
大多数普通的永磁式电动机能承受3 4倍额定值的电枢电流。 |
| 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. | 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。 |
| 6. | Several problems are resolved in this paper : firstly , the control system for viscosity of the mr fluid is developed . the variation of current in the armature of mixed electromotor is monitored real time to calculate the variation of the viscosity of the mr fluid
首先,研制了磁流变液的粘度控制系统,采用检测搅拌电机电枢电流变化的方法实时检测磁流变液粘度的变化。 |
| 7. | In the hardware level , the system acquires motor armature current by wb current sensor and pci - 1202 card . hence wb current sensor , peripheral driving circuits , pc - 1202 card and its interfaces are respectively discussed in detail in the paper . as a perfect example of the new pattern testing system previously mentioned , the system has distinct advantages because it fully exploits abundant resources and rapid speed of pcs
论文中介绍了一种无转矩转速传感器直流电机快速测试系统，在硬件上，本系统由wb电流传感器与pci - 1202数据采集卡共同完成电枢电流数据采集功能，论文详细讨论了wb电流传感器，外围驱动电路， pci - 1202数据采集卡及其与pc机的接口及其编程等等与软硬件有关的问题。 |
| 8. | The components , working principle , advantages and defects of pwm power amplifier are introduced briefly in the dissertation . the working characteristics of h - bridge pwm power amplifier in double - polarity mode is analyzed qualitatively and qualitatively and the conclusion that fluctuant magnitude and continuousness of armature current are the essential parameters which can be used to evaluate pwm control modes
论文简要介绍pwm功率放大器的组成、工作原理、特点及存在问题；对常见h型双极性模式pwm功率放大器的工作特性作了定性和定量的分析，指出了电枢电流脉动量和电枢电流连续与否是衡量pwm控制方案优劣的两个本质参数。 |
| 9. | This paper theoretically analyses the armature current and magnetomotive force in ac exciter of brushless synchronous machine with rotating rectifier . under the normal or fault conditions of rotating rectifier , the mathematical expressions of the armature current , the m . m . f and induced electromotive force are approached
本文通过对旋转整流器在正常与故障状态下的交流励磁机电枢电流和电枢电势作了初步的理论分析，推导出旋转整流器在正常与故障状态下电枢电流、空间谐波合成磁势及其感应电势的数学表达式。 |
| 10. | It makes finite element analysis for no - load motor , full - load motor and armature magnetic field singly acting motor , and it gets distributing map of magnetic field and static characteristics curve as different rotor angle and different armature current in a permanent magnet circle for the motor , it analyzes and explains influences of armature magnetic field on the inductance characteristics of windings
分别对电机空载、负载以及电枢磁场单独作用3种情况下进行了有限元分析，得出在1个永磁磁链周期内不同转子位置角和不同电枢电流作用下的磁场分布图以及静态参数特性曲线。 |
