磁化电流

探讨了传导电流的分布与磁感应强度B、磁场强度H和磁化电流的分布的关系。

The relation between conduction current distribution and distribution of B 、 H and magnetizing current are discussed as well .

首先介绍永磁同步电机的铜损和铁损模型，然后求得最优磁化电流，进一步给出最优指令电流id。

Firstly the PMSM model dealing with motor copper and iron loss was introduced , the optimal magnetizing current and the optimal reference current i_d were presented .

在介质图象下，H仅与自由电流和介质的分布有关，而与磁化电流无关的结论并不错。

In magnetic material picture the statement " H depends only on the distribution of free currents and magnetic materials and is independent of magnetization currents " is not wrong .

经熔化退火的样品，其磁化电流在77K和1T下大于2×10~4A/cm~2。

The Magnetization Jc values of melted and annealed sample is greater than 2 × 104A / cm2 at 77K and 1T .

介质极化电荷和磁化电流的镜象处理方法

The Image Method for Polarized Charge and Magnetized Current on Medium

智能化交流磁化电流控制器设计中的若干问题

Some Problems in the Design of Intelligent AC Magnetization Current Controller

晶体管直流变换器的最大磁化电流理论

The theory of maximum magnetizing current in transistor DC-DC converter

一种低磁化电流铁氧体移相器的研究

Research on a Low Magnetic Current Ferrite Phase Shifter

利用电机磁化电流无功功率实现转速的在线辨识

On-line Speed Recognizing with the Reactive Power of Magnetizing Current for Asynchronous Motor

用理想二极管测定电子荷质比中的临界磁化电流

Critical Magnetization Current in the Measurement of Charge-mass Ratio of Electron Using Ideal Diode

磁粉探伤机磁化电流测量结果的不确定度的评定

Evaluation of Uncertainty in Magnetization current Measuring Result of Magnetic particle flaw detection instrument

晶闸管控制的磁粉探伤机磁化电流的计算机控制

Micro-computer control of the magnetization current of the magnetic particle inspection machine controlled by SCR

介质磁化电流的简化处理

Simplified Handing of Magnetizing Current

本篇文章主要是研究设计直流电动机的磁通φ与磁化电流Iφ关系的电路原理图。

The paper researches and designes the circuit diagram between magnetic flux Φ and magnetizing current I φ on DC electromotor .

借助磁通反馈环节控制磁化电流扫描速度，使得产生的感应电压接近常数。

With the help of the sweeping velocity of magnetizing current controlled by a flux feedback loop a nearly constant induced voltage is produced .

实验测量了铁氧体传输线对高压电脉冲的前沿锐化效应以及偏置磁化电流对电压波波前传输速度的影响。

The electrical pulse sharpening effect in ferrite transmission lines and the dependence of transmission speed of voltage wavefront on the bias magnetization current have been observed in detail .

根据电磁场原理，用铁磁金属板作为屏蔽材料时，金属板中会产生涡流和磁化电流。

According to electromagnetic field theory , with a metal plate as shielding material , there will be eddy current in the plate and magnetic surface current on the surface .

对于均匀线性和各向同性的介质，通过计算两种特殊位形的磁场分布，得到其介质界面连续分布的磁化电流可用分立的镜象电流来代替。

Two kinds of magnetic field distribution are discussed and the result show magnetizing current on interface can be replaced with discrete mirror image current for uniform , linear and isotropic medium .

建立无槽式永磁直线同步电动机分层解析模型，由于电机等效气隙较长、漏磁较大，采用磁化电流法等效永磁体电流密度，电枢电流按实际情况考虑。

Due to larger equivalent air-gap and flux leakage of slotless permanent magnet linear synchronous motor ( PMLSM ), magnetizing current method was adopted to obtain equivalent current density of permanent magnet , however armature current was considered in practice .

文中列举了典型双线移相器的性能，其磁化峰值电流只需6～7A，而其他性能没有明显变化。

The characteristics of a typical twin wire magnetic phase shifter are also described , its peak magnetic current needs only 6 ~ 7A and no obvious changes on other performance arise .

对横向磁场中自由振动的导电铁磁梁式板，给出了考虑其磁化和涡电流与力学效应耦合影响的定解问题的基本方程。

A set of basic equations for free vibration of ferromagnetic conducting plates in a transverse magnetic field are presented , in which the coupled effects of magnetization and eddy current on mechanical behavior of the plate are included .

陶瓷超导体的磁化强度和临界电流密度

Critical depth calculation for current in ditch MAGNETIZATION AND CRITICAL CURRENT OF CERAMIC SUPERCONDUCTOR

测量时，外加磁场方向不变，通过改变电流方向来改变磁场和电流方向的夹角，分别测得薄膜处于同一磁化状态下的电流和外场相互垂直或平行时的电阻。

In the measurements , the direction of the applied field do not change , different resistance is measured in the applied field with certain magnitude when the direction of the current is parallel or perpendicular to the applied field .