1) flux and torque ripples
磁链转矩脉动
1.
To solve the problems of large flux and torque ripples and inconstant switching frequency in direct torque control (DTC) for permanent magnet synchronous motors (PMSM), factors of affecting flux and torque increments are analyzed in DTC.
针对永磁同步电动机(PMSM)的传统直接转矩控制(DTC)中存在的磁链转矩脉动大和开关频率不恒定等问题,分析了直接转矩控制中影响磁链和转矩增量大小的因素,在建立定子磁链坐标系下永磁同步电动机数学模型的基础上,提出了一种基于空间矢量调制(SVM)的新型DTC方法,该方法利用定子电压在定子磁链坐标轴上的分量控制电动机的磁链和转矩,再结合空间矢量调制方法控制逆变器运行。
2) torque ripple and the flux linkage error
转矩波动与磁链误差
1.
This strategy can make use of switching condition of three-level inverter,more precise voltage vector can be produced so that the torque ripple and the flux linkage error can be reduced.
这种方法能够合理地利用三电平逆变器的开关状态,生成更加精确的电压矢量,降低转矩波动与磁链误差。
3) Torque and flux
转矩和磁链
4) torque ripple
转矩脉动
1.
Research on torque ripple minimization of position-sensorless brushless DC motor;
无位置传感器无刷直流电机转矩脉动抑制研究
2.
Commutation torque ripple minimization and dynamic simulation of brushless DC motor;
无刷直流电机换相转矩脉动减小及动态仿真
3.
The review on torque ripple minimization of brushless DC motors;
无刷直流电机转矩脉动抑制方法综述
5) torque pulsation
转矩脉动
1.
Appearance of torque pulsation phenomenon influences system s running quality and reliability, when an induction motor (IM) operates in the manner of variable frequency and variable speed.
针对异步电动机变频调速系统运行时出现的转矩脉动现象,在对已有调制模式进行研究的基础上,建立了计及逆变器死区时间后异步电动机系统的整体数学模型,对系统运行于不同调制模式下的转矩脉动进行研究,得出了改进梯形脉宽调制(MTPWM)模式减少转矩脉动效果最佳的结论。
2.
The integrated mathematical model of the induction motor system with the consideration of dead time of inverter is set up and the effect of the dead time of inverter on the torque pulsation of system is studied.
建立了考虑逆变器死区时间的异步电动机系统整体数学模型,研究逆变器死区时间对系统转矩脉动的影响。
3.
On the basis of a new improved control method,three point flux regulator is used,and the switch control rule is also changed to reduce torque pulsation.
在一种改进的直接转矩控制方法基础上,采用三点式磁链调节器,改变开关控制策略,减小异步电动机的转矩脉动,得出了平滑的圆形磁链轨迹曲线,以及转速和转矩曲线,仿真结果证明所设计的系统具有优越的转矩静、动态性能。
6) torque ripples
转矩脉动
1.
Analysis and attenuation on commutation torque ripples of brushless DC motor;
无刷直流电机换向转矩脉动分析与抑制
2.
Suppression of Torque Ripples Caused by Current Back-EMF of Six-phase BLDCM
六相无刷直流电机反电势电流引起的转矩脉动抑制研究
3.
The relation between commutation torque ripples and PWM modes are discussed.
针对无刷直流电动机的四种单斩PWM调制方式,建立换向过程中电机相电流及电磁转矩的数学模型,研究换向转矩脉动与PWM调制方式的关系。
补充资料：立环脉动高梯度磁选机
立环脉动高梯度磁选机
黔 立环脉动高梯度磁选机
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条