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。
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。
In vector control of induction motor, the key problem is to estimate rotor flux accurately.
异步电机矢量控制的关键问题在于精确地估计转子磁链。
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。
Decoupling theorems of induction motor are proved in this paper, effects of rotor resistance variation to decoupling control are analyzed.
本文证明了感应电动机的解耦控制定理,分析了转子电阻变化对解耦控制系统的影响。
The accuracy of the rotor speed estimation in speed sensorless vector control system of induction motor under load is sensitive to parameter errors of the internal machine model.
在感应电动机无速传感器矢量控制系统中,在负载条件下转子速度估计的精确度对电机内部模型参数误差非常敏感。
The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
在低速范围内,对无传感器感应电动机进行矢量控制时用定子电压和电流推算转子磁通是比较困难的。
A novel inverse decoupling control method with the adaptive rotor resistance estimator for induction motor is proposed in this paper.
提出了一种具有自适应转子电阻估计器的感应电机的逆解耦控制方法。
A new method to detect rotor cage fault of induction motor is presented, which monitors if the output power signal comprises a direct component and an alternating component or only a direct component.
通过判断电动机输出功率信号中是含有一个直流分量和一个余弦分量还是仅含有直流分量,判断鼠笼转子有无故障,提出了一种感应电机转子故障检测的新方法。
A method to detect squirrel cage induction motors with broken rotor bars and static eccentricity is presented.
研究鼠笼型异步电动机转子断条故障和偏心故障的在线检测方法。
A new method is suggested in this paper for calculating the parameters of a solid rotor in induction machines.
本文对实心转子感应电机的的转子参数计算提出一种新方法。
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。
The rotor flux orientation method of induction motors is based on the feedback of rotor speed and position.
异步电机转子磁场定向控制依赖于电机转子角速度的反馈和位置测量。
The method of rotor broken bars on-line monitoring in induction motor based on the air-gap torque is proposed.
提出了基于气隙转矩的鼠笼异步电动机转子断条故障在线监测方法。
Two problems must be solved in the speed sensorless Field Oriented Control of induction motor drive: the speed estimation and rotor flux observation.
异步电机无速度传感器矢量控制系统需解决两个问题:转速的估计和转子磁链的观测。
Fundamental principles and control strategies of pitch-controlled wind induction generator system with rotor current controller (RCC) were presented.
介绍了带有转子电流控制器(RCC)的变桨距调节异步风力发电机系统的基本原理及其控制策略。
A rotor unbalance experiment is carried out on a three phase squirrel cage induction motor.
在鼠笼式三相感应电机上用提出的方法进行了转子失衡的实验研究。
A new rotor faults diagnosis method for induction motors based on the double PQ transformation is presented.
提出了基于双PQ变换的感应电机转子故障诊断新方法。
China's mines are hoist AC Induction Motor Drive, and its electrical control system uses a rotor series, cutting speed resistance , by the relay - contactor control devices constitute a logical.
我国矿井提升绞车大多是采用交流异步电机拖动,其电气控制系统采用转子串、切电阻调速,由继电器-接触器构成逻辑控制装置。
Based on the two-axis theory of the induction motor and a state equation about the rotor fluxes and stator currents, a new induction motor flux observer is derived.
本文在交流电机双轴理论的基础上,以异步电动机转子磁通和定子电流为状态的状态方程为模型,推导出一种新型异步电动机磁通观测器。
This paper introduces a method for calculating the temperature rise of rotor bars and end rings of squirrel cage induction motor during starting.
本文介绍鼠笼型异步电动机转子笼条和端环起动温升的计算方法。
An improved rotor flux estimator based on voltage model was proposed for speed sensorless field-oriented vector controlled induction motor drives.
针对感应电机无速度传感器磁场定向控制系统,提出一种基于电压模型的改进转子磁链观测方法。
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。
A speed sensorless vector control system of induction motor with estimated rotor speed and rotor flux using a new reduced order extended Kalman filter is proposed.
提出一种估计异步电机转子速度和转子磁链的新型降阶推广卡尔曼滤波器算法,建立了基于此算法的异步电机无速度传感器矢量控制系统。
In order to resolve the limitation of rotor flux oriented technology, the paper designs an induction motor parameter off-line identification system.
为了解决转子磁场定向技术局限性,本文设计一套交流感应电动机参数离线辨识系统。
On the basis of block building and layer building in rotor slots of single phase induction motors, the paper deduces numerical formulas for calculating layer currents under skin effect.
在对单相异步电机转子槽分块与分层处理的基础上,推导了集肤效应作用下每层电流的数值计算公式。
In this paper, the method of cross power spectrum is used to simulate rotor bars breaking faults of induction motor, including continuous breaking and intermittent breaking of rotor bars.
利用互功率谱方法对异步电动机发生多根导条断裂故障进行了模拟仿真,包括连续断条和间歇断条故障。
A new excitation control strategy is proposed for the rotor side converter in a doubly fed induction generator (DFIG) to allow the system to ride through a symmetrical grid fault.
提出了一种电网对称故障时保持双馈感应风力发电机不脱网运行的新型励磁控制策略。
Finally, an idea of energy recovering with "an induction generator with both stator and rotor windings connected in parallel" is presented.
文章还提出在水坡推板机上利用“定子绕组和转子绕组并联的感应发电机”回收能量的展望。
Nowadays induction motor is widely used in industry and agriculture, and rotor fault is the most familiar fault of it.
笼型异步电动机广泛应用到工农业生产领域,转子故障是其主要的故障形式。
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