| 1. | Calculation of electromagnetic torque for rare earth permanent magnet synchronous motor by using fem
用有限元法求解稀土永磁同步电机电磁转矩 |
| 2. | Broken rotor bars fault diagnosis of induction machines based on wavelet transformation of electromagnetic torque
基于电磁转矩小波变换的感应电机转子断条故障诊断 |
| 3. | Simulation results of the method for a three - level inverter feeding induction motor are presented
根据不同的运行速度，选用不同的电压空间矢量进行线性组合，控制电机的定子磁链和电磁转矩。 |
| 4. | Finally , a novel scheme of bearingless switched reluctance motors with two - phase excitation is proposed . a mathematical model is built based on two - phase excitation
建立了双相导通模式的数学模型,推导了径向悬浮力和电磁转矩的表达式。 |
| 5. | A novel bearingless motor with decoupling relationship between magnetic levitation force and electromagnetic torque is proposed and a prototype machine are designed and built
分析了磁悬浮力产生的特点及电磁转矩与磁悬浮力的解耦控制机理。 |
| 6. | Comparing the real electromagnetism torque and the ideal electromagnetism torque , we can find the trend of the speed variation , and then we can control the motor properly
实际电磁转矩与理想电磁转矩相比较，即可得到电机转速的变化趋势。 |
| 7. | These are the main results : firstly , on point of the energy exchange in mechanic - electronics , relations among magnetic energy , torque and radial force of pmb are found out
主要研究工作如下：首先，从机电能量转换的角度出发，推出了动力磁轴承磁场能量与电磁转矩及径向悬浮力的关系。 |
| 8. | Secondly , the adopted motor control method - - direct torque control is introduced . then , the initial flux linkage establishing and the electromagnetic torque ripples are analyzed
然后，介绍了本文所采用的电机控制方法? ?直接转矩控制，并分析了传统直接转矩的初始磁链建立问题和电磁转矩脉动问题。 |
| 9. | Researching results show that the effect of reducing the electromagnetic torque ripples and the overcurrent striking when starting is obvious . so the methods can be the basis for the further research
研究结果表明，所作研究在减小电磁转矩脉动和建立磁链时的电流冲击效果是明显的，为异步电机起动发电的进一步研究工作打下了基础。 |
| 10. | 3 . with fourier decomposition , the main component of pulsating torque , torque ripple is studied . it can be determined that torque ripple is caused by harmonic order 6n under the usual common conditions
3 、对造成转矩脉动的主要成分转矩纹波进行谐波分析，得出在一般假设情况下，无刷直流电动机系统的转矩纹波由电磁转矩的6n次谐波造成的结论。 |
