查询词典 inductance

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。

The dynamic model and equivalent circuit are researched, A dynamic model and equivalent circuit in d-q frame of dual three-phase synchronous machine are presented for the first time, based on the analyzing of the inductance factor between the windings of synchronous machine under ideal conditions. From them, a dynamic model and equivalent circuit that has general significance is educed.

基于理想同步电动机模型，以相绕组为研究对象，对双电枢绕组同步电动机的动态数学模型进行了研究，首次推导出双电枢绕组同步电动机在d-q坐标系的动态数学模型，绘出了d-q坐标系等效电路。

The static, modal and harmonic analysis was performed in ANSYS; static capacitance, natural frequencies for the short circuit case and the open circuit (anti-resonance) case, dynamic resistance, frequency at half-power point, dynamic inductance and mechanical quality factor were computed via static, modal analysis and harmonic analysis.

为了加速低频超声雾化栽培喷头的设计制造进程、降低研发成本，该文提出了其阻抗的测试原理电路图，建立了阻抗分析的有限元模型，在大型通用有限元分析软件ANSYS中进行了静态分析、模态分析和谐响应分析。

It is composed of six parts: PCI Bus interface module, signal generator, signal adjustor, gain and phase detector, A/D conversion module and control and data process module. The system can measure the gain and phase curves of the crystal with the frequency range from 1MHz to 150 MHz. Crystal parameters can also be calculated, such as resonant frequency, series resistance, shunt capacitance, motion capacitance, motion inductance and Q factor, etc.

该测试卡以 IEC 444 标准为测量原理，由 PCI 总线接口模块、信号发生器、信号调理模块、增益相位检测电路、A/D 转换模块等部分组成，能够有效测量 1MHz～150 MHz 频率范围的晶振的增益与相位特性、串并联谐振频率、等效电阻、动态电容、动态电感、品质因数和负载频率等主要电参数。

SOI-substrate ; inductance ; quality factor ; self-resonant-frequence

SOI衬底；电感量；品质因数；自谐振频率

In the chapter 3, The DDM-CM is used to get simple expressions for inductance of planar spiral inductors in the free space.

第三章利用DDM-CM理论首先研究了自由空间中的平面螺旋电感的电特性，即计算了平面螺旋电感器的电感值。

The experimental result shows that only a capacitor with low inductance is applicable as a snubber for IGBT invertors rated 50kVA.

设计试验表明，50kVA等级的IGBT逆变器的吸收电路只需无感电容器即可。

The magnetic induction density,flux and magnetic field distribution of the electric machine are solved by finite element method,and the calculation methods of the leakage coefficient ,pole-arc cofficient and inductance are presented respectively.

利用有限元方法对电机的磁感应强度、磁通以及磁力线分布等进行求解，并提出了漏磁系数、极弧系数和电感的计算方法，与实验结果比较证实了计算方法的正确性。

The parameters of the machine are measured by no-load test and short-circuit test. The relationship between the exciting current and corresponding air-gap voltage at the rated frequency is obtained, thus determining expressions for exciting inductance and exciting current in linear segment form. The equivalent circuits in a/30 reference frame are based on the parameters by above tests.

通过空载实验和短路实验对异步电机的参数进行了测量，由额定频率下的空载实验测得不同激磁电流与相应的气隙电势，给出了激磁电感与激磁电流的分段线性表达公式，为得到αβΟ坐标系统下的等值电路奠定基础。

The phase conversion process has been discussed on the basis of three working ways of inductance loading in TEM-Ⅱtransmitter, and then several problems have been put forward.

分析了IGBT全桥变换电路实现功率变换时感性负载上电压、电流的瞬态变化规律及无功功率的释放回路，对TEM-Ⅱ型瞬变电磁法发射机阻感性负载三种工作方式的换相过程作了深入全面的讨论，进而提出几点注意事项。

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。