The stator current is measured by using current whale, and then filtered.
电机定子电流信号一般用电流霍尔检测，然后通过滤波器进行滤波得到。
Influence ofd axis stator current reference on Hopf bifurcation was also discussed.
同时讨论了定子电流励磁分量给定信号对分岔条件的影响。
This paper proposes a rotor flux estimator based on stator current vector orientation.
文中提出了一种基于定子电流矢量定向的转子磁链估计器。
The air gap flux linkage is a linear function of stator current and mover displacement.
气隙磁链是定子电流和动子位移的线性函数。
Through the detection of the stator current, the control can confine the starting current within the allowable range.
控制器通过监测电机定子电流的大小，将其起动电流控制在允许的范围内。
Because the state equation's state variables are stator current and stator flux, the stator flux can be observer direct.
由于状态方程以定子电流和定子磁链为状态变量，定子磁链可直接观测得到。
The method compensates the stator current in the fault state in order to keep the magnetomotive force as that in normal state.
该方法以故障前后定子侧产生恒定磁动势为原则，对定子侧电流进行补偿。
This scheme utilize the current vector space Angle to judge the three stator current polarity, deduce the three stator voltage compensations.
该方案通过电流矢量空间角判断感应电机三相定子电流正负，推导出三相定子电压的补偿量。
The Hilbert pattern of the induction motor stator current, which is a certain graph in nature, is investigated, using the graph zooming technique.
利用图形缩放技术，对笼型异步电动机转子正常及断条情况下的定子电流信号希尔伯特模式做了研究，并概括出内在规律。
The uncertain term derived from rotor resistance, that produces the estimation error, appears in both the stator current equation and rotor flux equation.
造成电流型观测器估计误差的转子电阻不确定项，在定子电流方程中同样存在。
To estimate flux magnitude and direction, a Kalman filter is built by using stator current and PM flux as state variables under magnetic field oriented coordinate.
通过选择磁场同步旋转坐标系下定子电流和永磁体磁链为状态变量，构建估算转子永磁体磁链幅值和方向的卡尔曼滤波器。
According to frequency characteristics of the stator current, which carries the fault information, there are two methods: Wavelet decomposition and spectral analysis.
针对定子电流特征频率所携带的故障信息，目前主要有两类处理方法：小波分解和频谱分析。
A sensorless control strategy for permanent magnet synchronous motors is presented based on the measurement and observation of stator current, voltage and flux vector.
根据测量和观测的定子电流、电压和磁链，提出了一种永磁同步电动机无传感器控制方案。
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 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。
The paper presents a method of processing the stator current of squirrel cage induction motor with broken rotor bar. The method is based on the theory of adaptive filter.
本文根据自适应滤波的原理，推导出处理鼠笼转子异步电机定子电流的方法。
The simulation and analysis results show that the solution greatly increases the signal-to-noise ratio and makes the stator current spectroscopic analysis more effective …
仿真和分析表明，该方法提高了故障诊断时的信噪比，使定子电流频谱分析更加可靠。
A new approach to detect rotor bar breaking fault online is presented in this paper The Hilbert transform of stator current is firstly calculated and signal is constructed.
提出了一种基于希尔伯特变换与数字滤波的笼型异步电动机转子断条在线检测方法。
The direct-axis or quadrature-axis stator voltage is used as manipulated variable and direct-axis or quadrature-axis stator current delay feedback is used for chaos control.
该方法以永磁同步电动机的定子交轴电压或直轴电压为控制量，利用电流的延迟反馈实现了混沌运动的控制。
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。
On the basis of analysing the common electric trouble mechanism of induction motor, the paper proposes making use of stator current law to diagnose the induction motor's electric fault.
本文在对异步电动机常见电气故障机理分析的基础上，提出了利用定子电流法来诊断电机电气故障。
The implementation of 7-segment SVPWM algorithm was detailed description and the simulation of the system was built, rotational, speed, the stator current simulation waveforms were got.
详细阐述了七段式空间矢量脉宽调制实现方法，并搭建了整个系统的仿真模型，得到转矩、转速、定子电流的仿真波形。
In vector control, there are the cross-coupling voltages between the m and t components of the stator current for Induction Motor (IM), it affects the performance of speed control system.
矢量变换后异步电动机数学模型中还存在M轴和T轴间的交叉电势的耦合作用，影响调速系统的控制性能。
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.
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 relationship between the dead-time voltage sector and the stator current sector is analyzed and a method for compensating the stator voltage sector is proposed based on the reconstructed current.
分析了死区电压矢量和定子电流矢量的关系，由此得到一种根据重构电流矢量来补偿定子电压矢量的方法。
The dynamic braking means that after three-phase voltage is switched off asynchronous dynamo the dc current flows into the stator circuit to realize dynamo braking.
能耗制动是在异步电动机切离三相电源后，在定子回路通入直流电流，实现能耗制动。
Using stator and in intertrochanteric air gap rotary field and rotor winding induced current interaction one kind of alternator.
利用定子与转子间气隙旋转磁场与转子绕组中感应电流相互作用的一种交流发电机。
Using stator and in intertrochanteric air gap rotary field and rotor winding induced current interaction one kind of alternator.
利用定子与转子间气隙旋转磁场与转子绕组中感应电流相互作用的一种交流发电机。
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