等效电感

According to characteristic of model parameters, direction criterion based on model parameter identifying is proposed to decide the direction of faults.

本文提出了一种新的基于模型参数识别的快速方向元件，即将线路分别等效为R-L模型、T模型和Π模型，然后建立相应线路等效模型下区内、区外故障时的数学模型，利用最小二乘法求解模型参数—系统电阻R和系统电感L，根据得到的模型参数的特性，构造出基于模型的参数识别方向判据，从而判断出故障的方向。

The effect of the bond wire is considered by incorporating its equivalent inductance into the design of the filters.

所以在我们设计的滤波器当中，必须要把镑线近似於等效电感的效应考虑和计算进去。

Further more, in order to damp the resonance between the passive filter and the equivalent inductance of the power network an injection type of active power filter is adopted.

为了抑制无源支路跟电网等效电感产生的谐振以及改善无源滤波器的滤波性能，系统中采用了谐振注入式有源滤波拓扑。

Considering the variation of the equivalent instantaneous inductance, an new algorithm based on the normalized equivalent instantaneous inductance for the discrimination between inrush and fault current is creatively proposed.

另外，从分析等效瞬时电感的变化入手，创造性地提出了一种基于归一化等效瞬时电感分布特性的识别励磁涌流和故障电流的方法。

This paper describes a feasible calibration method, its basic principle for calibrating is: A certain function relationship is existed in equivalent inductance L of coil and the distance x between the object to be measured and the sensor coil, the measurements can be conducted with this function relationship by using frequency modulation. The calibrating system consists of measuring electric circuit, high stable voltage power supply, digital frequency meter, the conductor to be measured and the calibrated displacement sensor.

文中叙述了一种较为可行的标定方法，其标定的基本原理为：线圈的等效电感L和被测物体与传感器线圈的距离x存在一定的函数关系，利用这种函数关系用调频法进行测量，标定系统由测量电路、高稳定度稳压电源、数字频率计、被测导体及被校位移传感器组成。

The proposed coupler featuring utilizly laddered stubs and stepped impedance on a single circuit board case achieves compact size. The requirement since both are distributed elements system which utilizes reduced length for the replacement of traditional microstrip line which acted as equivalent capacitances and inductances.

上述之宽频支干耦合器，是设计在单层板的结构，且不论是步阶式阻抗或是梯状开路残段的设计方式，均有缩小化的效果；因为步阶式阻抗与梯状开路残段都是散步式元件，所以可用较短的长度取代传统微带线之等效电感或电容值。

The fast pulse high voltage DC power with star point modulate unit commutates with low voltage modulator solves the above problems, especially, the dip and overvoltag...

而高压滤波电感可以等效到低压星点处，使滤波电感绝缘等级低，通过提供电感续流通道给星点电感预充电，补偿了高压直流开关合分闸时负载电压跌落和过冲，降低电源动态内阻，加速了脉冲边沿动态响应过程，特别适用于需要快速响应脉冲高压电源的微波功率放大元件

3The dissertation makes a deep analysis on the calculation of the equivalent instantaneous inductance of wye-connected transformer. It concludes that the looping current in the winding of delta side of transformer, which is hard to obtain from line current, severely influences the calculation result of equivalent instantaneous inductance. In that case, a new scheme of transformer differential protection is proposed.

深入分析了变压器 Y/Δ接线方式下等效瞬时电感的计算问题，针对Δ侧绕组环流对等效瞬时电感计算结果影响大，而又无法通过线电流计算得到的特点，提出一种变压器差动保护 TA 配置新方案。

Therefore , the quality factor , the inductance in unit area and the current handling capability of the series parallel inductors were observably improved without extra technology .

多点并联结构有效地增加了等效金属层的厚度，串联结构增加了线圈之间的互感值，从而可以在不增加额外工艺成本的条件下显著提高平面电感的品质因数，单位面积电感值和电感线圈的电流承受能力。

When normal operation the saturated transformer type SSFCL is equivalent to original transformer coupling solid state fault current limiter, but the coupling transformer coil enters deep saturation when short circuit fault occurs. After the SCR bridge withdraws from the system connection, the saturated coil reactance and the leakage reactance of coupling transformer play the role of limiting stable short-circuit current, equivalent to SSFCL with bypass inductance.

饱和变压器型固态限流器正常运行时等效于原来的变压器耦合固态限流器；但在短路限流时允许耦合变压器铁心进入深饱和；在桥路退出系统后，饱和激磁电抗和漏抗起到限制稳态短路电流的作用，等效于带旁路电感的固态限流器。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。