推导了电磁转矩参数表达式。
An electromagnetic torque expression with t - I model parameters was derived.
本文介绍了异步电机电磁转矩的通用算法。
A general method for calculating the electromagnetic torque of asynchronous machines is introduced in this paper.
麦克斯韦应力张量法是计算电机电磁转矩的有效方法。
Maxwell stress method is an available one to calculate electromagnetism torque of machines.
介绍了一种计算永磁同步电机电磁转矩的新方法，即磁通法。
This paper presents a method for calculating magnetic torque of permanent magnet synchronous machine, which is called as flus method.
研究了五相混合式步进电动机在振荡状态下的谐波电磁转矩。
The harmonic electromagnetic torque of 5 phase hybrid stepping motors during oscillatory operation is investigated.
当电源电压增至72V以后，电动机的电磁转矩增大率降至很小。
After the voltage of power source increases to 72v, the increasing rate of the electromagnetic moment of motor is very small.
提出的分析方法也可用于双绕组发电机直流侧短路等电磁转矩的分析。
The method can also be used to analyze electromagnetic torques in double-winding AC-DC generators after shorts or just DC side.
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。
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.
磁场定向控制是控制由变频器供电的异步电机暂态电磁转矩的有效手段。
The field-oriented control is a powerful tool for controlling the transient electromagnetic torque of the induction motor fed by a frequency converter.
导出了基波电磁转矩、稳定谐波电磁转矩及脉动谐波电磁转矩的计算公式。
The calculation formulas of the fundamental and steady harmonic and pulse harmonic electromagnetic torques have been derived.
在大电流饱和状态下，该模型有效地描述了电机产生的径向悬浮力和电磁转矩。
The model can depict radial force and electromagnetic torque generated in the motor more accurately in the region of magnetic saturation.
从而为合理选择极弧宽度，达到减少电磁转矩波动的目的提供了一种有效途径。
Thus an effective way to design the polar arc width reasonably in order to reduce torque ripple is provided.
为此，对常见结构形式的转子上电磁转矩的产生原理给出了定性、直观的说明。
This paper gives brief qualitative presentation of the principle of generation of the electromagnetic torque on ordinary rotors.
分析了转子断条故障特征在电机启动电磁转矩信号中的表现形式及频率变化规律。
The expression and frequency variety law of the rotor broken bar fault feature component in the startup electromagnetic torque signal are analyzed in detail.
电源电压从0～100V变化时，电动机的电磁转矩逐渐增大，但增大率逐渐降低。
When the voltage of power source changes from 0 to 100V, the electromagnetic moment of motor gradually increases, but its increasing rate decreases gradually.
分析了电机绕组在各种状态下检测电流与电机电磁转矩的关系，并进行了实验验证。
The relationship between detection current and electromagnetic torque was analyzed in each state and it's testified by experiment.
计算了复合电机的感应电动势和电磁转矩，捕捉了齿槽定位转矩的最大值等电机参数。
Parameters of the induced electromotive force and the electromagnetic torque and so on of the novel motor have been calculated, and it is not difficult to catch the maximum value of cogging torque.
根据外环给定电磁转矩的不同，调整内环转子磁链给定值，以达到能量优化控制的目的。
According to the inner rim rotor flux linkage given value can reach the purpose of the energy optimization control.
对绕组换相时电流波动进行了分析，并计算了电机电磁转矩，给出了抑制电磁转矩脉动的方法。
Current fluctuation is analyzed during coil commutation time and electromagnetic torque is computed and method is given to restrain ripple of electromagnetic torque.
旋转电机中电磁转矩的产生，可以从作用在磁场内磁性物质单位体积上的电磁力出发加以说明。
In rotating machines, the cause of the electromagnetic torque is the electromagnetic force acting on differential volume of the ferromagnetic material in magnetic field.
它采用空间矢量的分析方法，采用定子磁场定向，直接对电动机的电磁转矩和定子磁链进行控制。
It directly controls the electromagnetic torque and stator flux, using the analyzing method of space vector and stator flux orientation.
给出测试电感拟合的表达式，推导了绕组的磁链方程、旋转电压方程、电磁转矩方程和状态方程。
The fitting expression of the tested inductance, winding flux linkage equation, rotating voltage equation, electromagnetic torque equation and their state equations are also presented.
研究结果表明：双馈感应发电机的定、转子电流以及电磁转矩取决于发电机内部的定、转子磁场。
Research results show that the stator and rotor currents and air-gap torque are subjected to the stator and rotor flux fields in the generator.
本文分析了变磁阻式电动机的旋转电压与电磁转矩的关系，指出了与此有关的一些不确切的说法。
The relations between motion voltages and generated torques for variable reluctance motors are analyzed in this paper. It is indicated that some former relevant arguments are not exact.
最后，借助新算法揭示了电磁转矩分析与分岔分析之间的联系，给出了对于阻尼转矩更深刻的认识。
Finally, by means of the new algorithm, the relationship between electrical torque analysis and bifurcation analysis is demonstrated, so the essence of damping torque is revealed.
该计算方法求解电磁转矩时只需进行两次磁场计算，从而减小了计算量，同时计算精度也有所提高。
The calculation method which I used to solve electromagnetic torque need the magnetic field calculated only twice, thus reducing the amount of calculation, while the accuracy has improved.
实验结果表明本文控制方案不仅能使中小功率异步电动机轻载运行时节能，还使其电磁转矩振荡减小。
These results indicate that the proposed control scheme not only saves energy while in light running of medium-low power asynchronous motors but also decreases the surge of the electromagnetic torque.
在矩角控制过程中将连续的旋转磁场离散为步进磁场，通过控制电机定子电流实现对电磁转矩的控制。
The continuous rotating magnet field is transformed into discrete step field in the torque vector control and the electromagnet torque is controlled by means of regulating the stator current.
建立了转速小振荡时感应电动机的电压方程、电磁转矩和转矩方程，导出了异步转矩和阻尼转矩系数。
The voltage and torque equations of induction motor during hunting are formulated at first, then the asynchronous and damping torque coefficients are derived.
建立了转速小振荡时感应电动机的电压方程、电磁转矩和转矩方程，导出了异步转矩和阻尼转矩系数。
The voltage and torque equations of induction motor during hunting are formulated at first, then the asynchronous and damping torque coefficients are derived.
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