Application of electronic integrator in micro-power magnetic flux measurement system;
电子积分器在微磁通测量系统中的应用
The vector plot of 3D magnetic flux and the surface plot for the radial component of magnetic flux density were obtained,which could show the feature of the MLF near defect expressly.
利用数学模型对漏磁信号进行了仿真分析,得到了三维磁通密度矢量图和它的径向分量曲面图,直观地显示了缺陷附近漏磁场的特点。
In the paper,the techniques for high-voltage and high-power adjustable reactor based on magnetic flux controllable is analyzed,including the method of controlling the main magnetic flux with current of converter injected into multiple windings of a linear transformer and the method of realizing a high-power converter adopting the structure of cascaded-inverters based converter.
为实现磁通可控型可调电抗器的高压大容量化,分析介绍了多支路补偿技术和基于级联型变流器的系统拓扑结构,前者在线性变压器二次侧设计多个绕组,各绕组用变流器同时注入电流来控制铁心主磁通,以实现一次侧绕组等效电抗无级可调;后者则是将多个电压源型逆变器在输出首尾相连形成前述的变流器。
Calculation of the Flux in Three Phase Five Limb Core;
三相五柱式铁心磁通的计算
In addition,a novel theme to maintain and continue the flux is provided,which can effectively solve the pro.
针对一种双正激式开关变换器新型拓扑结构,提出了一种独特的磁通能量维持控制方案,很好地解决了双正激式DC/DC变换器普遍存在的磁通维持阶段不理想问题,并有效解决了上下桥臂易出现直通短路的问题,使开关电源的可靠性大为提高。
Ignored the flux fringing and leakage,based the principal that flux always flow along the minimal reluctance path, an exact theoretical equation for calculating the magnetic gap reluctance of the radial magnetic bearing is proposed.
根据磁通总是沿磁阻最小路径流通的原理,在忽略边缘效应和漏磁通的条件下,利用微元法给出了径向电磁轴承的气隙磁阻理论公式,为径向电磁轴承的设计、建模及控制提供一定的借鉴作用。
In order to investigate the behavior of vortex lattices,the dynamic property and the current-voltage characteristic of vortex lattices driven by the alternating current and the direct current are numerically simulated in two dimension periodic pinning arrays.
为了进一步研究磁通受交流驱动的性质,对在二维周期性钉扎系统中的磁通格子在交、直流电驱动下的动力学性质和伏安特性作了数值模拟。
The behaviors of vortex motion have been obtained with varying vortex density, varying pinning strength, and external Lorentz force.
用分子动力学方法模拟计算了二维无序钉扎系统中磁通的运动。
We analyze vortex motion and noise spectrum with Lorentz force in type Ⅱ superconductors (T0K) by numerical simulation.
数值计算了Ⅱ类超导体 (T =0K)中磁通在洛伦兹力作用下的运动和噪声 。
It shows that the magnetic flux is quantized,and the electronic structure and energy gap periodically change with a period 0(=h/e).
计算表明磁场中SWNTs的子能带和磁通量是量子化的,其能带以磁通量子0为周期随磁通作周期性变化;并出现金属-半导体性的周期性转变现象。
The automatic test method for magnetic flux is presented,and the constitution,structure and experiment results of the measurement system are described.
介绍了径向充磁的圆环形磁钢表面磁感分布测量原理,推导出磁钢表面磁感与基准波形的内在联系,给出了便于自动化测量磁钢磁通量的方法,最后描述了该系统的组成、主要结构和测量结果。
The paper, conducted by the special theory of Relativety and the theory of electromagnetics, expounds the transformation relations of the magnetic flux and inductive electro motive force which are surveyed simultaneously, separately in two reference frames.
根据狭义相对论和电磁学原理 ,导出了在两参照系中分别同时测量的磁通量和感应电动势的变换关
On epitaxial structure and flux pinning of NdBa_2Cu_3O_(7-δ)/YBa_2Cu_3O_(7-δ) superconducting multilayers;
NdBa_2Cu_3O_(7-δ)/YBa_2Cu_3O_(7-δ)多层膜体系的外延结构和磁通钉扎的研究
The Investigation of Enhancing Flux Pinning in Bi-2223/Ag Tapes by Replacing Cu Atoms with Fe Element;
Bi-2223/Ag带Cu位Fe元素替代对磁通钉扎性能的提高
The bulk flux pinning force curves of the APC NbTi composites at 4.
研究了Ti5Nb APC NbTi多芯超导体的磁通钉扎力曲线特征。