| 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. | Analysis of electromagnetic field and electromagnetic torque performance on super high power density induction motor 超高功率密度感应电机电磁场及转矩特性分析 |
| 3. | 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 |
| 4. | 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。 |
| 5. | Character of electromagnetic torque is analyzed subsequently . the dissertation provides a practical method of calculating torque in the process of starting 论文对于稀土永磁同步电动机电磁设计进行深入细致的分析,得出了该类电机设计的基本准则。 |
| 6. | 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。 |
| 7. | 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。 |
| 8. | Being very different from traditional motors , a bearingless motor not only generates electromagnetic torque , but also produces magnetic forces to suspend its rotor without using mechanical bearings 与传统电机的最大不同之处是它不需要另外的轴承,电机本身既可产生转矩,又能产生支撑转子的磁悬浮力,使转子能够实现无机械摩擦旋转。 |
| 9. | The work in this thesis focuses mainly on the basic theory of bearingless motors , magnetic levitation forces and their decoupled control with electromagnetic torque as well as air gap dynamic detection . three parts are included 围绕磁悬浮无轴承血泵电机的基本原理、磁悬浮力产生及其与电磁转矩的电磁解耦机理和转子位置的动态检测等方面,本文主要开展了如下的研究工作。 |
| 10. | Thirdly , on the basis of the conventional direct torque control strategy , the initial flux linkage establishing and electromagnetic torque ripples are researched , and vast theory analysis simulation research and experiment verification are performed 其后,针对传统直接转矩控制方法,对初始磁链建立和电磁转矩脉动问题进行了研究,并进行了大量的理论分析、仿真研究和实验验证。 |