Having three "waves" of magnetism induced in the rotor with every revolution, instead of just one, smooths out the induction process and allows more torque to be generated.
由于每次旋转过程转子都有三“波”感生磁场,而不是只有一“波”,其感应过程更平滑而使其能够产生更大的扭矩。
The stator flux-oriented direct torque control is widely used in high performance motion control of induction motors.
定子磁场定向的直接转矩控制逐渐被广泛应用于高性能异步电机调速系统。
A control system of bearingless induction motor based on torque winding air gap field oriented vector control is accomplished.
实现了一种基于转矩绕组气隙磁场定向控制的无轴承异步电机控制系统。
A mutual model reference adaptive method for the rotor speed and stator resistance identification is proposed in this paper to implement a speed sensorless direct torque control of induction motors.
本文介绍了一种可互换模型参考自适应方法实现对电机转速和定子电阻的辨识,并将其应用于异步机的无速度传感器直接转矩控制中。
Experimental result shows that the system can measure well torque-speed characteristic of induction motor.
实验证明,该系统能够较好地测定感应电动机的转矩-转速特性。
The application of HV-IGBT shows good applied prospects for the strategy of vector control or direct torque control of induction motor.
表明采用HVIGBT对感应电机传动的矢量控制或直接转矩控制策略具有良好的应用前景。
The Pulse Generators PGs are equipped to detect the rotor frequency of induction traction motors for the torque control in railway vehicle traction field.
铁道机车车辆牵引领域中的转矩控制是利用脉冲发生器(PG)来检测牵引感应电动机的转子频率。
Based on the principle of the direct torque control, the novel identification method of induction motor speed using neural network in a speed-less sensor AC drive system was presented.
根据异步电动机直接转矩控制原理,提出了采用人工神经元网络速度辨识方法去实现无速度传感器的交流调速控制系统。
A new direct torque control (DTC) strategy based on duty ratio control technique of induction motor drives is presented.
文中提出了一种新的基于占空比控制技术的异步电机直接转矩控制方案。
In this paper, speed and torque regulation of the induction motor based on the passivity are investigated.
本文主要研究了基于无源性的感应电机的转矩和转速控制。
The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable through coordinates transform.
感应电动机矢量控制技术是通过坐标变换,实现对定子电流的励磁分量与转矩分量的解耦控制。
A new direct torque control (DTC) strategy of induction motors based on fuzzy space vector modulation (SVM) technology was proposed.
提出了一种基于模糊空间矢量调制(SVM)技术的异步电机直接转矩控制(DTC)方案。
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。
This paper presents a novel open-loop speed control method for induction motors that provides high output torque and nearly zero steady-state speed error at any frequency.
提出了一种新颖的感应电机开环速度控制法,在任一频率下,它不但能使电机输出高的力矩,而且使稳态速度误差几乎等于零。
The technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable using coordinates transform.
异步电机矢量控制技术是通过坐标变换,实现对定子电流的励磁分量与转矩分量的解耦控制。
The soft start-up process of electronic induction motor is studied in order to avoid the enormous impulsion to its starting stator current and torque brought by direct start.
感应电机采用传统的硬起动会给定子的转矩和电流带来较大冲击,故需研究电机的软起动过程。
This paper proposes an improved direct torque control (DTC) method for induction motor system applications.
该文提出了一种改进的直接转矩控制方案并应用于异步电机控制系统中。
The induction motor tracking control based on passivity principle is analyzed in case of general unknown time-varying load torque and rotor resistance.
研究了负载转矩和转子电阻在一般的未知时变情形时对异步电动机期望时变电磁转矩的渐近跟踪控制问题。
It is analyzed the variation of current and torque during induction motor starting process.
分析了异步电动机在起动过程中电流和转矩的变化情况。
The computed torque is taken as reference to control an inductance motor. The induction motor is driven by an inverter to simulate the wind turbine.
然后根据当前的风速和风力机转速来计算风力机的转矩,将此转矩作为转矩指令控制感应电机来模拟风力机,感应电机通过控制逆变器来驱动。
A fuzzy torque control system for induction motor is developed in order to improve the performance of electric vehicle drive system.
为了改善电动汽车驱动系统的性能,提出了一种感应电动机的模糊转矩控制系统。
The field-oriented control is a powerful tool for controlling the transient electromagnetic torque of the induction motor fed by a frequency converter.
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。
By decoupling between the magnetizing current and the torque current, the vector control strategy of induction machines can achieve excellent dynamic performances.
异步电机矢量控制由于实现了励磁电流和转矩电流的解耦控制而具有优良的动态性能。
Comparing with general squirrel-cage rotor induction motor, the ratio of start torque to start current ideal is also improved remarkably.
与普通鼠笼转子异步电动机相比,起动品质因数也明显提高。
The experimental results demonstrate: the automatic measurement system which bases on the DC dynamometer and DSP can well measure torque-speed characteristic of induction motor.
实验结果表明,以“被测试电机-直流电力测功机-负载电阻”为结构、基于数字信号处理芯片的感应电动机转矩-转速特性自动测试系统是可行的。
Under the condition of drastically changed induction machine parameters and load torque, the simulations of the control strategy and exact feedback linearization method are performed respectively.
在急剧变化的感应电机参数和负载转矩的条件下,模拟的控制策略和精确反馈线性化方法分别进行。
Speed control of direct torque controlled(DTC)induction motor drives depends on effectively establishing the stator flux.
直接转矩控制的感应电动机的速度控制需要有效地建立定子磁 通。
Speed control of direct torque controlled(DTC)induction motor drives depends on effectively establishing the stator flux.
直接转矩控制的感应电动机的速度控制需要有效地建立定子磁 通。
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