This paper presents a new finite element approach using a single scalar magnetic potential for the analysis of the eddy currents and the magnetic fields. 本文提出一种计算涡流及磁场的新方法&全标量位有限元法。
Optimal design of active power filter based on fundamental magnetic potential self-balance and harmonic counteraction 基波磁势自平衡谐波抵消式有源滤波器的优化设计
The DC sensing theory and method based on magnetic potential self-balance and feedback compensation are studied in this paper. 本论文研究了一种基于开环原理与闭环原理相结合的磁势自平衡回馈补偿式直流传感机理与方法及其实现。
The non-uniform condition of the branch current in the armature winding and the matching with magnetic potential in the commutating pole are improved by means of changing the connection of commutating pole winding. 通过改变直流电机换向极绕组接线方式,改善了电枢绕组支路电流的不均衡状态及其与换向极磁势的匹配关系。
Firstly, the electromagnetic radial force of asynchronous machine is analyzed based on the traditional analysis method: the magnetic potential and the magnetic conductance law. The distribution of air gap magnetic-flux density and the radial force wave are analyzed with these methods either. 首先,基于传统的解析方法分析了研究异步电机电磁径向力波采用的近似磁势乘磁导法,用磁势和磁导的乘积来分析气隙磁通密度的分布,并以此研究径向力波。
The characteristics of harmonic cluster of output voltage, output current and time harmonic magnetic potential of AC-AC frequency converter is analyzed. 分析了交-交变频器输出电压、电流和时间谐波磁势的谐波族特征,指出了该特征对电动机运行噪声的影响。
Using the magnetic potential, Faraday Law of Electromagnetic Induction is expanded, represented and analyzed in the conditions of classical physics. 在经典物理的条件下展开并用磁势表达和分析了法拉第电磁感应定律;
This article points out the difference between the direction of gradient and the direction of magnetic field in the MRI system, gives the equations of the magnetic lines in the gradient magnetic field and the scalar magnetic potential function, and describes the method of computing it. 本文指出了核磁共振成象仪中,梯度方向与磁场方向的区别,给出了梯度磁场中的磁力线方程,标量磁势函数和计算它的方法。
An analysis on Faraday law of electromagnetic induction by the magnetic potential 法拉第电磁感应定律的磁势分析
The induced magnetic potential of an infinite long irony cylinder under the action of an external magnetic field is studied by the method of finite element. 本文研究了一个无限长铁质圆柱体在地磁场作用下的感应磁位问题。
In this paper, a complex scalar magnetic potential finite element method is proposed to calculate the three dimensional anisotropic nonlinear magnetic field and iron loss in transformer cores. 本文提出复标量磁位的有限元法计算变压器铁心中三维各向异性非线性磁场和损耗。
After the solution of the electric potential and magnetic potential, intensity of the electromagnetic field is studied and solved by the programming. 在得到电磁势值以后,研究了电场强度、磁场强度的计算方法,实现了场强的求解。
This thesis includes two sections: one is the research on frequency response of DC sensor based on magnetic potential self-balance and feed-back compensation; the other is the study of hybrid filter. 本论文包含两方面的内容:磁势自平衡回馈补偿式直流传感器频响特性研究以及混合滤波器的研究。
Based on the status and development of the heavy DC measurement all over the world, a fire-new DC sensing theory based on magnetic potential self-balance and feed-back compensation is discussed systematically in this thesis. 本文在对国内外关于强电直流计量研究现状及发展进行综述的基础上,系统论述了磁势自平衡回馈补偿式直流传感理论与方法的研究。
Some concepts of reliability estimation and reliability design are introduced. The reliability model of DC sensor based on self-balance of magnetic potential and feedback compensation is presented. 介绍了可靠性预计与可靠性设计的若干概念,提出了磁势自平衡回馈补偿式直流传感器的可靠性模型。
Vector Analysis of Voltage, Current and Magnetic Potential in Phase Shift Regulating Auto-Transformer 自耦调压移相变压器电压、电流和磁势相量分析
The introduction of magnetic potential and the effect of AHARONOV-Bohm 磁势的引入与Aharonov-Bohm效应
The analysis on the magnetic potential produced by four kinds of windings of linear inductive synchronizer slide gauge, is made and the magnetic potentials of various harmonic waves produced by each winding are formulated further. 对直线式感应同步器滑尺的四种绕组产生的磁势作了分析,得出各种绕组产生的各次谐波磁势表达式。
A new type series active power filter based on fundamental magnetic potential self-balance and harmonic counteraction is proposed. 提出一种新型的基于基波磁势自平衡谐波抵消式串联有源电力滤波器。
The three-dimensional exact solutions of the displacement, electric potential, magnetic potential, stress, electric displacement and magnetic induction of equilibrium problems are also obtained. 并得到了平衡问题的扇形板和扇形环板在两种边界条件下的位移、电势和磁势,应力、电位移和磁感应强度的三维精确解。
The magnetic field distribution produced by displacement current in charging circular parallel plate condenser is discussed by using the concept of magnetic potential. 应用磁场矢势的概念讨论了充电圆形平行板电容器中的位移电流所产生的磁场分布。
The Single Scalar Magnetic Potential Method Applied in Numerical Analysis on Magnetostatic Field 单标量磁位法在静态磁场数值计算中的应用
A modified PEEC model was introduced, in which the integral definition of vector magnetic potential and the Lorentz gauge are used to expand the integral equation to derive the PEEC. 提出了一种改进的部分元等效电路模型,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。
The DC sensing theory and method were studied based on the magnetic potential self-balance and feed-back compensation. 研究了一种新型直流传感机理与方法,包括磁势自平衡回路和补偿回路两个环节。
It is pointed out that the electromagnetic theory in microscopic field for the magnetic potential A has to be introduced as a basic physical quantity. 指明在微观领域的电磁理论中,磁势(?)必须作为基本的物理量来引入。
The balance process of the magnetic potential self-balance circuit for the single core during half cycle was discussed. 分析了磁势自平衡回路在半个周期内单铁心磁势自平衡的工作过程。
In addition, as harmonic magnetic field move at different speeds relative rotor and stator created by harmonic magnetic potential the stator and rotor windings in the air gap, the additional losses were created in the iron core. 此外,由于定子和转子绕组在气隙中建立的谐波磁势所产生的谐波磁场以不同的速度相对转子和定子运动,在铁心中产生附加损耗。
Following the analysis of the magnetic circuit structure, cyclic current method is applied to the magnetic circuit analysis. Considering the magnetic conductance and magnetic potential of each branch, cyclic flux method is used to analyze and calculate the magnetic circuit. 在对磁路结构进行分析的基础上,结合磁路中的磁导和磁势,将电路中的回路电流法引入磁路分析,利用回路磁通法对电机的磁路进行了分析计算。
An ABCs based on scalar magnetic potential is proposed and the correspondent mathematical models in spherical boundaries are established. 首先提出了基于标量磁位的渐近边界条件,建立了球形边界的标量磁位渐近边界条件数学模型。
The distribution of surface magnetic potential is analyzed. With the method of disassemble magnetic induction intensity, the spatial problem is transformed into the two-dimensional problem, based on which the self-inductance, mutual-inductance and the distribution law for the angle change of the rotor are given. 研究了环面蜗杆的表面磁势分布,利用分解磁感应强度的方法,把空间问题化解成平面问题,求解了系统各相的自感和互感,给出了两者的变化规律。