查询词典 inductance

It is found that under the same vibration mode, the equivalent inductance of the single layer piezoelectric transformer is the twice of the same quality piezoelectric oscillator; 2 Based on the density energy formula, the three-dimensional lump type equivalent circuit of the piezoelectric transformer has been set up.

发现在相同的振动模式下，单层压电变压器的等效电感是相同质量压电振子的两倍； 2）以能量密度公式为基础，建立了压电变压器的三维集总式等效电路图。

After analyzing demagnetization factor and magnetization intensity of wear debris with different morphology, the effect of the wear debris morphology on the equivalent inductance of inductive wear debris sensor is studied.

通过对不同形态磨粒的退磁因子、磁化强度以及磁化场的分析，研究磨粒形态对电感式磨粒传感器线圈等效电感的影响。

First, this article introduced the status of the electromagnetic launch technology in general. Then, the author further introduced a new principle of coil launch technology and its inductance in the equivalent circuit which are based on the principles of linear motor. It is a more comprehensive thought in the study. Third, in the building of the power supply system, the most important things are the trigger control loop structures, the gap switch debugging, the measurement of the impact current, and electromagnetic interference protection. Finally, I introduced the experiment, the simulation analysis of some questions in the experiment. The most important thing is the analysis of the equivalent circuit of the stator windings. And the author build a simulation model based on it.

本文首先介绍了电磁发射技术的概况；其次，基于直线电机的原理，介绍了直线驱动线圈发射技术的基本原理、等效电路和回路电感计算，得到了较完整的课题研究思路；第三，搭建电源系统，工作的的重点是触发控制回路的研制、间隙开关的调试、冲击电流的测量、电磁干扰防护措施；最后，介绍了课题实验情况，对实验中产生的问题进行了仿真分析，其中以定子线圈的等效电路的分析为重点，建立了仿真模型，并对参数的变化进行了仿真研究，为后续的实验研究提供参考。

The results show that the force coefficient, the equivalent inductance and resistance are constant when the moving magnets oscillate in an operating region.

结果表明：推力系数在一定的动子行程内是基本恒定的，在上死点附近，推力系数有减小趋势；等效电感和电阻在一定的工作电流内是基本恒定的；直线电机等效电阻及电感的波动对活塞位移自传感器的输出几乎无影响，推力系数的波动影响活塞位移自传感器输出幅值的大小；若要提高直线压缩机活塞位移自传感器的输出精度，需要对模拟电路参数进行微调，以确保输出不失真，同时需要在活塞上死点附近对自传感器的输出进行修正。

In this paper the impacting extent of equivalent inductances of transmission lines and transformers as well as that of high voltage shunt reactor on GIC level evaluation by DC equivalent model of power network are analyzed, and by means of simulation the impacts of transformer winding connection modes and structure of transformer cores on equivalent inductance of transformer are researched.

文章分析了线路等效电感、变压器等效电感和高压并联电抗器等效电感对采用电网直流等效模型评估GIC水平所产生误差的影响程度，通过仿真计算分析了变压器绕组联结组别和变压器铁心结构对变压器等效电感的影响，最后针对我国电网的特点，提出了用于评估超、特高压电网电磁感应电流水平的电网等效模型。

The equivalent stray inductance is 29 nH, enough to cause a sustained low-level oscillation that persists throughout the period of the transient response.

实际上需要讨论的内容远不止本文提到的这些，但是我们会重点突出一些关键特性并鼓励读者进一步探讨这个问题。

At high-frequency voltage, a transformer winding is equivalent to a linear, bilateral passive network which consists of linear resistance, capacitance and inductance. The equivalent model of a transformer winding in different frequency bands can be known by studying the bilateral network.

变压器绕组在较高频率的电压作用下，每个绕组本身均可视为一个由线性电阻、电容、电感等分布参数构成的无源线性双口网络，通过对该双口网络的研究可以得到变压器绕组在各个频段的等效模型。

According to the mechanism of producing transformer excitation surge current caused by saturation of transformer core, the paper put forward a kind of method to discriminate excitation surge current and short-circuit current adopting calculation of equivalent instant excitation inductance average value.

从变压器励磁涌流的产生是由于变压器铁心饱和这一原理出发，提出了一种利用计算等效瞬时励磁电感平均值来区分励磁涌流与短路电流的方法。

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 paper introduces the magnetic circuits and their relatives in electric Machinery Course,including the ferromagnetics, law of magnetic circuit , law of electromagnetic induction and the inductance reactance, from the need for the course teaching.

本文从电机学要求出发，介绍磁路及相关内容，它主要包括铁磁物质、磁路定律、电磁感应定律和电感的电抗等问题。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。