最后得出了端部磁场矢量分布图,端部漏抗值及端部绕组的电磁力分布规律。
Finally vector distribution map, end region leakage reactance and distribution of force on end region winding are achieved.
给出时谐电磁场矢量的积分关系式,探讨了辐射场的有效源,并应用于几个实例的计算。
The integral relationships of time-harmonic electromagnetic field vector are given, the effective sours of radiative fields is Studied, then some examples are calculated.
结果表明:微传感器件不仅可以测量出磁场的大小,而且给出了测量磁场矢量方向的可能性。
The results show that this microsensor is not only used to measure the magnitude of magnetic intensity, but also applied possibly to monitor the direction of vector of the magnetic field.
地磁场矢量是卫星所在位置的函数,通过对地磁场的测量,即可实现对近地小卫星的自主导航。
Magnetic field vector is a function of the position where the satellite stays. Thus autonomous navigation for small satellite can be achieved by measuring the magnetic field vector.
磁力梯度张量表示的是磁场矢量三个分量的空间变化率,能够很好地用于偶极子场源的定位跟踪。
Magnetic gradient tensor is that the three components of the magnetic field vector space rate of change, is able to do well for the dipole localization and tracking.
给出一种解析方法求解在两种热载荷冲击作用下,正交各向异性圆柱体的动应力和磁场矢量扰动的集中效应。
The analytical expressions for the dynamic stresses and perturbation of magnetic field vector are obtained by means of a finite integral transform and Laplace transform.
接下来,本文重点分析了基于矢量调制的组合控制策略,即将矩阵变换器的空间矢量脉宽调制和电动机转子磁场矢量控制有机结合的控制方法。
Next, the mix control strategy were analyzed in detail, which is the control method of combining the space vector pulse width modulation and the rotor magnetic filed directional control.
麦克斯韦方程中有某些特性是恒定不变的——磁场强度、电位移场以及描述电磁场电通量的坡印廷矢量。
Maxwell's equations conserve certain properties-the magnetic field intensity, the electric displacement field and the Poynting vector that describes the electric flux of an electromagnetic field.
本文针对转子磁场定向的矢量控制技术进行了一些研究和探索,并用DSP实现控制系统的全数字化设计。
This paper does some research works of the vector control technology based on rotator field oriented and then designs the whole system with DSP.
论文中选用TMS320F 240数字信号处理芯片作为系统的主控芯片,实现了全数字化的直接磁场定向的矢量控制系统。
TMS320F240 digital signal processor that is selected as the main CPU in the system realizes the full digital vector control system.
最后本文采用定子磁场定向的矢量控制策略,结合转速扰动功率观测的控制算法对转子侧进行了仿真验证。
Finally, simulating experiment for the whole system is carried through with the stator flux-oriented vector strategy and control arithmetic of rotor speed perturb and power observation.
文章通过对流体的速度场、电场和磁场中通量的解析,总结出了任意的矢量场通量的定义、一般表达式及一般计算方法。
It sums up the definition, general expressing formula and general calculating method of flux in any vector field by analyzing the flux in the speed field, electric field and magnetic field of fluid.
系统软件基于这些数学模型来实现感应电动机转子磁场定向矢量控制,并给出了软件程序流程。
The rotor flux field-oriented vector control method is implemented basing on these mathematical models in system software. The software program flow is presented.
转子磁场定向控制是实现高性能交流调速方法——矢量控制的基础。
Rotor field orientation control is the base of high-performance control strategy of AC motor vector control.
第二章详细地介绍了太阳黑子矢量磁场的测量原理。
Secondly, we introduce the measurement theory of vector magnetic field and some optical essentials for the measurement.
本文以双馈式电机转子磁场走向为控制的约束条件,建立了双异步变速恒压恒频发电机的矢量控制模型。
Using field orientaion of rotor of doubly fed machine as confining condition, this thesis has established vector control model for double asynchronous VSCFCV generator.
本文基于最优化理论,利用模拟电荷法对一个小型的交叉场天线(CFA)进行了场的数值分析,得到CFA周围的电场、磁场及玻印廷矢量的分布。
In this paper, we introduce the basic theory and the design of CFA, and analyze the field of CFA by CSM on the basis of method of optimization.
而双馈异步风力发电机采用的是定子磁场定向的矢量控制策略。
It is a policy of controllable vector in directional stator magnetic field that the MW DFIG use.
结合薛定谔方程,计算了原子态矢量和磁场间的相互作用。
By using the Schrodinger Equation, the interaction between atomic state vector and magnetic field is calculated.
采用磁场定向矢量控制技术的无刷双馈电机调速系统,其性能基本能够满足运行要求,但存在超调及动态稳定慢等问题。
The brushless doubly-fed machine (BDFM) is based on the technic of field oriented control and the performance of its adjustable-speed drive can ultimately meet the need of the operation.
在分析了该系统控制方法的基础上,建立了交直交变频器网侧电压定向以及转子侧定子磁场定向的矢量控制系统模型。
Based on the analysis of control strategy of the system, this paper used respectively voltage oriented and stator flux oriented vector control in grid side and rotor side of the converter.
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.
本文研究了由圆形旋转磁场离散为多边形步进磁场的离散方法和空间旋转矢量的步进定位特性。
In this paper, the method of dividing circle rotating magnetic field into polygonal step magnetic field and the step orientation characteristic of space rotating vectors are researched.
以矢量磁位作为求解变量得到励磁磁场和电枢反应磁场的二维解。
Magnetic vector potential is regarded as variables to gain solution of excitation magnetic field and armature response magnetic field.
应用全矢量电磁场有限元方法,计算了保偏光纤的两个偏振模场的分布、传输常数及模式双折射。
This fiber's polarization modes, transmitting constants and modal birefringence were computed by the full vector finite element method.
根据磁场加速法原理,在理论上定性地分析了电机转子参数对矢量控制系统性能的影响。
According to the flux acceleration principle, the influence of rotor parameters on the performance of vector control system with rotor flux orientation is analyzed.
利用轴对称电磁场的性质得到了以矢量磁位为求解对象的边值问题。
In this paper, the boundary value problem of the magnetic vector potential is derived by use of the character of the axisymmetrical electromagnetic field.
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.
本文阐述了永磁同步电动机磁场定向矢量控制系统。
This paper presents a field-oriented vector control system for permanent magnet synchronous motor.
本文阐述了永磁同步电动机磁场定向矢量控制系统。
This paper presents a field-oriented vector control system for permanent magnet synchronous motor.
应用推荐