磁矩

The validity of the method is demonstrated by comparison with results obtained from tests on a practical drive system. The influence of damper winding on performances of self-controlled synchronous motor, especially on commutation process and commutation limit, are analyzed in detail. It is shown that damper winding has little effect on increasing overload capability. The influences of field winding on torque, commutation process and overload capability are analyzed also.

然后在此基础上，分析了阻尼绕组和励磁绕组对自控式同步电动机性能的影响，包括对电磁转矩、换流过程和过载能力的影响，重点分析了阻尼绕组对换流过程和换流极限的影响，讨论了阻尼绕组在自控式同步电动机中的作用，得出阻尼绕组对提高过载能力作用不大的看法。

Slow the fall of the ring, by Lenz's Law.

磁偶矩M。你可以改变环的电阻与

In the software,it studies 3/2 transform module,magnetic flux linkage and torque estimate module,M/T velocity measurement module,PI module,fuzzy control and start module,PWM module in detailed.

对软件中3/2变换模块、磁链和转矩估算模块、M/T测速模块、PI模块、模糊控制与启动模块、PWM模块进行详细的研究。

The simulation results show that the control systems realize decoupling between magnetic flux and torque, and transient and stable performance of the control system is all right.

论文对所设计的间接矢量控制系统进行了MATLAB的建模与仿真，仿真结果表明该控制系统实现了磁通与转矩解耦，系统的静、动态性能良好。

By using a speed sensor, it's applied in driving an electric current into a magnetic current and torque current and controlling them.

通过使用速度传感器，该矢量电动机将电流驱动至磁流以及转矩电流中，并对它们加以控制。

To consistent with the characteristics of asynchronous machine, they both control magnetic flux and torque respectively, reaching a good performance.

两种方法全部采用磁链和转矩解耦控制，符合异步电机模型规律，达到良好的控制性能。

In accordance with the basic principle and method of vector control, by using Matlab/Simulink module, a simulation model of vector control system that is offering torque and magnetic link for AC asynchronous motor is built based on rotor flux directional rotating coordinates.

依据矢量控制的基本原理和方法，在基于转子磁场定向的旋转坐标系下，采用Matlab/Simulink模块构建了一个具有转矩、磁链闭环的交流异步电机矢量控制系统仿真模型。

To enhance ISA system's static and dynamic performance, design of torque,magnetic flux and speed adjuster in Field Orientated Control is detailedly analyzcd,then corresponding software is studied.

为提高ISA系统的静动态特性，分析了全数字化矢量控制中转矩、磁通、转速调节器设计算法，并开发了相应的控制软件。

The method of how to analyze the electromagnetic field of the generator is introduced. And with the help of a kind of FEM software, the parameters of a model machine are calculated and simulated, including the electromagnetic field, no-load voltage, single-side magnetic force, loaded torque and axial force.

其次，对转子带防护罩的高速永磁发电机数学模型进行了推导，介绍了利用有限元法对电机磁场进行分析的方法，并运用有限元软件对一台样机的参数进行了仿真，包括电机磁场分析、空载电压波形、单边磁拉力、负载转矩以及轴向力等方面的内容。

A method of determining main dimensions of the SRM is given according to any speed-torque profiles, either.

本文还讨论了开关磁阻电动机电磁设计的特点，给出了根据转矩－转速特性确定SRM主要尺寸的方法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。