感应电流

磁暴会导致大电网中产生地磁感应电流（Geomagneticinducedcurrent，简称GIC）。

Magnetic storm may induce Geomagnetic Induced Current in the power grids .

感应电流EIT中激励线圈的设计

Design of coils in induced current electrical impedance tomography

ZFW&500型GIS中接地开关开合感应电流试验

Induced Current Switching Tests of the Earthing Switches in Type ZFW-500 CIS

本文着重介绍了国内首次进行的ZFW&500型GIS的接地开关开合感应电流试验的试验方法、试验线路、试验结果及试验情况分析。

This paper mainly describes methods , circuits , results and test condition analysis of induced current switching tests for the earthing switches in ZFW-500 CIS .

HEMP作用下近地有限长电缆外皮感应电流研究

Study of HEMP Induced Current in Cables with Finite Length Near the Ground

一个感应电流EIT实验系统

An Experimental System of Induced-current EIT

HT-7U装置内冷屏感应电流分析

Eddy Current Analysis of the Internal Thermal Shield of HT-7U Tokamak

太阳活动引发地磁暴产生地磁感应电流（GIC）。

Geomagnetic storms caused by solar activity produce geomagnetic induced currents ( GIC ) .

同时在磁弧的顶部，即在中性线上空产生了感应电流，它的焦耳耗散形成了Hα耀斑。

At the same time , the induction current is produced on the top of arch above the neutral line , and the H_ α flare is formed by Joule dissipation of the current .

高能中性束注入（Neutralbeaminjection，NBI）是核聚变装置托卡马克采用的芯部辅助加热和非感应电流驱动主要手段之一。

High energetic neutral particle beam injection ( NBI ) is one of most important methods for core auxiliary heating and non-inductive current drive of plasma in nuclear fusion devices .

研究了具有前馈式的有源EMI滤波器，无感应电流检测装置的有源EMI滤波器和用于三相逆变电机的有源EMI滤波器。

Active EMI filter with feedforward , active EMI filter without current detection sensors installed and active EMI filter for three-phase inverter motor were researched .

500kV同杆架设线路感应电流的计算

Computation of Induction Current in 500 kV Double Circuit

通过改变位置调节器PID参数和增加相位补偿环节，在一定程度上可以消除悬浮控制绕组转子感应电流、控制系统延时和数字滤波器对悬浮控制性能的影响；

One of the methods to compensate the phase delay , which is caused by rotor current of the levitation winding or digital filter , is to adjust the parameters of the PID controllers or direct compensator .

高压直流（HVDC）输电换流器两侧的谐波阻抗对确定地磁感应电流（GIC）引发的谐波有重要意义。

The harmonic impedance on two sides of converters in HVDC transmission system is important in determinating the harmonics due to GIC ( geomagnetic induced currents ) .

SOM算法从电流在空间映射的频谱分析的角度上着手，将感应电流区分为确定性电流与模糊性电流。

The characteristics of the SOM algorithm is the analysis of the induced current in its space spectrum . The induced current is decomposed into deterministic current and ambiguous current .

磁暴在输电线路上产生地磁感应电流（GIC）对电力系统安全运行有很大影响。

The geomagnetism storm in transmission network produces the geomagnetism induction current ( GIC ), which has great influence on safe operation of power system .

然后，详细讨论了谱域方法，包括算子方程的建立、用Galerkin方法求解感应电流，求解散射场的过程。

As a following step , the spectral method is reviewed intensively , including how to build the spectral equation and how to use Galerkin method solving the inducting current and scattering field .

本文应用有限元方法（FEM），分析了内置PCB板的屏蔽机箱的孔缝电磁耦合规律，并进一步研究了电磁干扰信号与机箱内的PCB板电路作用而产生的感应电流的变化情况。

In this paper , the finite element method is applied to study electromagnetic signals couple in electronic equipments through aperture and interact with the built-in PCB circuit , and further we calculate the induced current in the trace .

为了计算任意单元的FSS，利用子域基函数中的屋顶基函数展开未知表面感应电流。

In order to get any unit of FSS , the author unfolds the unknown induced currents , by utilizing the rooftop basis function , which is belong to the subdomain basis function .

最后根据Pade逼近理论由给定频率处的频率导数感应电流确定周期性结构在任意频率入射波照射下的感应电流。

The equivalent currents at any frequency within the frequency band can then be obtained from the equivalent currents of frequency derivative at given frequency via the Pade approximation .

文章分析了由等离子体电流和真空室感应电流在HT－7U装置环向场超导磁体中产生的涡流损耗。

The eddy current losses in the toroidal field superconducting magnet of the HT-7U tokamak , produced by plasma current and the eddy currents on the vacuum vessel , are analyzed .

通过分析和算例表明，所提出的方法可以比IM方法更有效地减少计算感应电流的时间，这对于计算散射体的RCS是很有益的。

Analysis and numerical tests show that the execution time is more effectively reduced with the help of the wavelet transform than the IM method based on the method of the moments hybird physical optics current , and this is useful in the RCS computation .

地磁感应电流（GIC）及超高压直流输电（HVDC）系统在单极大地返回运行方式或双极不对称运行方式下，中性点接地变压器可能会有直流电流流过，对变压器的安全运行有一定的影响。

GIC ( Geomagnetically Induced Current ) and the monopolar ground circuit operation mode or the bipolar asymmetrically mode of HVDC transmission system have grate impact to the transformers with earthed neutral point because direct current will pass by the windings of the transformers .

介绍了利用EMTP程序对不换位的短距离500kV同杆线路的各种工况和线路部分同杆架设条件下感应电流进行的计算。

The computation of induction current of short distance , non conversion 500 kV lines on same tower under various operating conditions by means of EMTP program is described through the computation of induction current of Yangzhou No.

本文对接地问题进行探讨，对大电流下H-GIS设备外壳及其下方主接地网中的感应电流做计算分析，并给出了H-GIS下方接地网截面选择的方法。

Grounding problems have been explored , the induced current of the main ground grid of the shell and bottom of H-GIS device under high-current has been calculated , the choice method of cross-section is given .

根据磁场、流函数和感应电流的解析公式，研制了间接馈电爆磁压缩发生器充电和爆磁压缩过程计算程序MFCGⅢ。

In this paper , computational code MFCG ⅲ of the explosive magnetic field compression generator ( MFCG ) are developed based on the analytic formulas of magnetic field , stream function and induced current for the process of charge and compression .

非闭合导体回路中是否有感应电流

Is There any Induction Electricity in a Nonclosed Conductor Return Circuit

在第一个线圈中感应电流随着时间变化。

The donating current varies over time in the first wire .

超导磁体感应电流及其对电磁弹性动力稳定性的影响

Induced current in superconducting coils and its effect on dynamic stability

感应电流电阻抗断层成像的数据采集技术

Research on Data Acquisition Technique for Induced Current Electrical Impedance Tomography