本文介绍了如何用磁矢量成像方法获得磁矢量的分布。
The paper introduces how to get magnetization vector distribution by magnetization vector tomography and reports some modeling results.
本文由磁矢量位出发，导出具有任意形状截面的长导体磁场计算公式。
In this paper, the calculating formulas of magnetic field for long current carrying conductor with any form of cross-section are deduced with the help of magnetic vector potential.
为了实现高效的计算，涡流场的计算引入磁矢量位法，进行必要、合理的化简。
To improve the efficiency of eddy field calculation with magnetic vector potential, necessary simplification is applied.
利用ANSYS软件包，通过求解磁矢量微分方程，确定了磁感应强度在空间的分布，计算结果与实际测量数据进行了对比。
Using ANSYS software, the spatial distribution of magnetic flux density around the furnace body was simulated. The simulation data were compared with measured ones.
文中介绍了扇面直波导及其腔体中电矢量位和磁矢量位的格林函数，采用分离变量法、傅里叶变换法和留数定理导出了格林函数的具体表达式。
The Green's functions for electric and magnetic vector potentials in a sectoral wave guide and its cavity are derivated by using the separation of variables, Fourier transform and residue theory.
并且具体分析了电压矢量对转矩和磁链的作用。
The function of voltage vectors on the stator flux and torque is investigated.
在直接转矩控制理论基础上，推导出一种基于定子磁链矢量增量来确定定子参考电压矢量的新型无速度传感器直接转矩控制方案。
This paper obtains a new speed-sensorless direct torque control scheme for induction motor based on calculating the stator flux vector increment to determine the stator reference voltage.
本文对一种新型的基于定子磁链定向的无速度传感器矢量控制系统作了研究和分析。
In this paper a new speed sensor-less vector control system based on stator-flux-oriented is researched and analyzed.
结果表明：不检测转子磁链的滑差频率矢量控制系统具有结构简单、控制性能优良等特点。
The result show that the system possesses the features of simple structure and excellent control characteristics etc without detecting the slip frequency of the rotor's magnetic field.
结合定子磁链控制，提出异步电机基于定子磁链幅值恒定的电压矢量控制方案，并对该方案的非线性局限进行了分析。
Then a voltage vector control scheme for induction motors based on constant stator flux is presented and it's nonlinear limitations are analyzed.
实验结果验证了定子磁链定向的矢量控制策略既能保证定子输出频率恒定，又能较好地跟踪风力机的最大功率输出。
The stator flux-oriented vector controlling strategies of keeping stator frequency constant and capturing the maximum wind power are verified by experiment results.
该系统主回路为高低高结构电流源型变频器，采用单片机为核心的数字控制器，其控制策略采用转子磁通定向直接矢量控制。
This system is a high low high CSI, of which controller is based on a single chip computer. The control strategy adopts vector control.
控制算法采用转子磁链观测的矢量控制算法。
Vector Control algorithm based on Rotor Field Oriented is used.
该文利用空间电压矢量概念，深入分析了软开关pwm模式下磁链的运动轨迹。
This paper discusses the locus of flux linkage under soft-switching PWM pattern by using space voltage vector in detail.
根据无刷双馈电机的特性，采用磁链定向的矢量变换控制技术设计了一种新型功率控制系统。
According to the characteristics of brushless doubly-fed wind turbine and adopting flux linkage oriented vector transformation control technology, a new type of power control system is developed.
系统采用速度开环、磁链闭环的矢量控制方案。
The system adopts vector control scheme of rate opening loop and magnetic linkage closed loop.
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 technique of induction motor vector control is a way to realize the decoupling control of stator current excitation and torque variable through 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 using coordinates transform.
异步电功机的磁通检测和观测是矢量控制系统中的关键问题。
The measurement and observation of flux in induction motor is a key problem in vector control system.
异步电机矢量控制的关键问题在于精确地估计转子磁链。
In vector control of induction motor, the key problem is to estimate rotor flux accurately.
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。
The sensorless of induction motor field-oriented control employing stator voltages and currents has difficulty in estimating rotor flux in the low-speed range.
对比了不同的定向矢量控制方式的优缺点，采用定子磁链定向的矢量控制方式来控制双馈电机。
The various control strategies for different space vector oriented were compared for the doubly fed machine.
为此它以矢量磁位的积分表达式和洛仑兹规范代替了矢量磁位和标量电位的积分表达式，对积分方程进行展开。
To do that, the integral definition of vector magnetic potential and the Lorentz gauge is used to expand the integral equation of the PEEC model.
针对上述问题，给出了一种通过细化电压矢量合成扇区和开关信号选择表，优化定子磁链补偿电压的改进方法。
To solve these problems, a modified method is presented, which subdivides the voltage vector sectors and switching signal selection table, and optimized stator flux compensating voltage.
其结论此方法与电动力学中建立矢量场并引入矢量磁位的方法所得结果相吻合。
The result tallies with that obtained by way of setting up vector field and leading into vector magnetic potential in electrodynamics.
当频率很低时，阻抗矩阵中矢量磁位的贡献比标量电位的贡献小得多。
At very low frequencies, the contribution from the vector potential to the impedance matrix is much smaller than the contribution from the scalar potential.
文章分析了永磁同步电机直接转矩控制系统的电压空间矢量选择和磁链估计模型，并提出了系统的实现方案。
This paper analogy the selection of voltage space vector and the flux linkage estimate model of the direct torque control system of PMSM, and the realizing project of the system.
提出了基于神经元的用于感应电机矢量控制的自适应磁链和转速控制器。
The adaptive flux controller and speed controller based on neuron are presented for the induction motor vector control.
将该方法和著名的直接磁场定向控制(FOC)和定子磁通矢量控制(SFVC)进行比较。
This method is compared to the well-known direct field-oriented control (FOC) and stator flux vector control (SFVC) methods.
将该方法和著名的直接磁场定向控制(FOC)和定子磁通矢量控制(SFVC)进行比较。
This method is compared to the well-known direct field-oriented control (FOC) and stator flux vector control (SFVC) methods.
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