Magnetic Component Design and Circuit Simulation for MPC System 磁脉冲压缩系统元件参数及电路仿真
As is known that a magnetic component generally consists of a core and a winding, therefore, there are two kinds of losses in magnetic components: core loss and winding loss. 磁性元件一般由磁芯和绕组组成,其损耗包括磁芯损耗和绕组损耗。
A New Testing Method of High Frequency Power Magnetic Component 高频功率磁元件测试新方法
A new testing method of high frequency power magnetic component and its electrical circuit model of measurement is produced. The determination of all the parameters in the model and the separation of the equivalent resistors of copper loss and core loss are realized. 提出了高频功率磁元件测试新方法和实验电路模型,实现了磁元件模型各参量的确定及铜、铁损等效电阻的分离。
Research on the Radio Frequency Electronic Ballast and Magnetic Component 射频高强度气体放电灯电子镇流器及其磁元件的研究
The Application and Research of Plane Integration Magnetic Component in Switching Mode Power Supply 平面集成磁件在片式开关电源中的应用研究
According to basic laws in magnetism and law of electromagnetic reaction ( Farady's law), three methods to establish the equivalent circuit model of magnetic component are discussed, which are as follows: magnetic path-electric circuit paring transformation, Source shifting, Gyrator-Capacitor equivalent model. 依据磁路基本定律和电磁感应定律,介绍了磁件等效电路模型建立的三种方法:磁路电路对偶变换法、源转移法和回转器&电容等效模型法。
It has been proved that the precursory anomalies of electro-magnetic radiation include the change of both magnetic component and electronic component within certain distance before comparatively strong earthquakes by systematically comparing observations and comprehensively analyzing and studying based on the data from the longterm observations at several stations. 经过长期多台区比较系统地对比观测和资料的综合分析研究,证实了一定范围内一定强度的地震,其电磁辐射前兆异常反映,包含磁场分量变化和电场分量变化二个方面。
Analysis and researches of the trend variation of magnetic declination component on Mengcheng Station 蒙城地震台地磁偏角分量趋势性变化分析研究
The paper has analyzed overall failure cause for magnetic component cabinet and adopted some measures. 本文全面分析了原磁性部件柜失效的原因,并提出了具体的改进措施。
Based on the working mechanism of forward converter with active clamp, this paper analyzes the integrated magnetic component while the transformer and filter inductance are put on single magnetic core by using the technology of integrated magnetic. 在有源钳位正激变换器工作原理基础上,利用磁集成技术,将变压器与滤波电感集成在一个磁芯上,对该集成磁件进行了分析研究。
A decoupling integrated magnetic component is designed on base of the method of counteracting coupling among windings, which integrates a low power transformer and an inductor together. 根据抵消绕组间耦合作用的方法设计了一个解耦的集成磁件,将一个小功率变压器和一个电感集成在一起;
To reduce the converter volume, theory and technology of Integrated Magnetic component ( IM) are introduced. 为了减小变换器的体积,介绍了磁集成技术的基本原理。
Increasing the working frequency can reduce the size of the magnetic component, however, the high frequency eddy effects including skin and proximity effects raise the winding losses. 提高磁性元件的工作频率,可以减少磁性元件的大小。但是随着工作频率的提高,集肤和邻近效应使绕组的损耗增加。
To increase power density of power supplies and realize power electronics system integration, reducing the volume of magnetic component is of great significance. 为提高高频功率变换器功率密度和实现电力电子系统集成,减小磁元件的体积是关键。
At the same time, a comparison is made among the parallel resistance model, Steinmetz equation and Rayleigh relation model. It is found that among these three models Steinmetz equation is the most accurate one to calculate the core loss of the magnetic component. 此外,将并联阻抗模型与Steinmetz方程和Rayleigh关系模型加以比较,发现三个模型中Steinmetz方程较为精确;
To integrate the high frequency transformer and filter inductance of the TOP Switch singlechip precision switching-mode power supply together with decoupling magnetism integration method, it educes magnetic component equivalent circuit and verifies it with the emulation experiment. 将TOPswitch单片精密开关电源中的高频变压器和滤波电感利用解耦磁集成方法集成在一起,推导了磁件等效电路,作了仿真验证。
The contribution of a small normal magnetic component to the Hamiltonian is given by the method of Lie transformation. 小磁场注向分量对引导中心哈密顿函数的贡献由李变换方法求取。
Developing a Soft Magnetic PM Component Used in Wireless Communication Devices with High Green Strength Lubricants 利用高生坯强度润滑剂开发无线通讯装置用PM软磁零件
Secondly, this paper provides the inductance calculation formula by energy perturbation and also achieves the inductance matrix by using FEA. It reveals that this method can simulate the work condition of transformer magnetic nonlinear component. 其次,推导了能量扰动法计算等效电感的计算公式,并通过有限元分析实现了故障电感矩阵的计算,该方法能够考虑故障情况下变压器中磁非线性部件的工作状态。
The PSPICE simulating model of magnetic component was set up in this paper. 建立了磁元件PSPICE仿真模型。
It is well known that the five-component method is superior to four-component method because the vertical magnetic component H_z can be applied to the determination of formation dip. 众所周知,依据垂直磁场分量Hz可以确定地层的倾向,所以五分量的处理手段较四分量的处理更加优越。
Secondly, the driver circuit, the control circuit, magnetic component of the power supply are designed and optimized. 其次,对开关电源的驱动电路、缓冲电路、控制电路及主要磁元件进行优化、设计。
No magnetic component in the device material and the devices exhibit magnetic phenomena, thus causing widespread concern in the scientific community. 由于器件材料中没有任何磁性成分而器件却表现出磁现象,因此引起了科学界的广泛关注。
A key issue of this type device is the fabrication of micro coil and magnetic component. 这一类器件所面临的共同问题是微型线圈与磁性元件的制作。
It was found that in the conventional organic optoelectronic devices, although there is no magnetic component, there is a huge magnetic response. 人们发现,在一些常规有机光电器件中,虽然没有任何磁性成分,却有很大的磁响应。
It also generalizes a few concepts obscure in some papers systematically, such as ignoring the magnetic field component in the interaction Hamiltonian, the choice of visible light for laser and rotating wave approximation etc. 本文还系统总结了一些其它文献中比较模糊的概念,比如相互作用哈氏量中磁场分量的忽略、激光选可见光、旋波近似等。
As a magnetic field measurement instrument, Fluxgate magnetometer directly measures the external magnetic field component, which is based on the saturation magnetization of soft magnetic materials. 磁通门传感器是一种基于软磁材料磁化饱和时的非线性特性而工作的磁场测量仪器,是直接测量外界磁场分量的矢量磁强计。