查询词典 magnetizing method

Matlab was used for the simulation calculation about a two-source power system, and the trained neural network was used to achieve regonition of the magnetizing inrush current.

利用Matlab软件对一个双端供电系统进行了仿真运算以得到神经网络的训练样本，用经训练的神经网络实现了对励磁涌流的识别。

The magnetizing inrush current is harmful to power transformer ,and even more sometimes it is so high that it can cause misoperation of power transformer protection device.

励磁涌流对变压器绕阻的机械稳定性和绝缘强度危害很大，还会导致变压器保护的误动作，因而变压器励磁涌流的研究是变压器保护领域的一个重要课题。

It is the existent of magnetizing inrush current in transformer that differs transformer differential protection from differential protection of other main equipments and transmission lines.

由于变压器励磁涌流的存在，使得变压器差动保护有别于其他主设备及线路的差动保护。

This transformer protection scheme is immune to the magnetizing inrush current influence and does not need the accurate parameter of transformer. The scheme is simple and has been proved with the simulation test and dynamic analog test.

该变压器保护方案不受励磁涌流的影响，而且无需精确取得变压器的内部参数，实施简单，仿真和动模试验结果证明了该原理的可行性。

How to discriminate between internal fault and magnetizing inrush current is the difficulty of transformer protection when apply differential relay.

变压器主保护选择差动在原理上存在不足，带来的问题就是如何准确鉴别励磁涌流与内部故障，这也是目前变压器保护的难点。

Second, and magnetic brakes, clutch: With the development of modern industry, and magnetic clutches and brakes, as a basic component in the industrial field received a wide range of applications and other components shown can not be replaced by the superiority of its high magnetic powder for media job to Change magnetizing current for the control of the means to control transmission, the purpose of braking torque.

二、磁粉制动器、离合器：随着现代工业的发展，磁粉离合器和制动器作为一种基础元件在工业领域中得到广泛的应用，并显示出其它元件无法取代的优越性，它以高导磁粉体为工作媒介，以激磁电流变化为控制手段，达到控制传递，制动扭矩的目的。

It is harmful to the characteristics of the transformers on line. It causes the increasing of magnetizing current, harmonics leakage magnetic flux, and thus the losses, which in turn results in the structures overheating and insulation ageing.

电力变压器的磁动势和磁通出现直流分量的现象称为"直流偏磁"，这一现象将对变压器的正常运行产生不利的影响，诸如励磁电流有效值、高次谐波成分及其相应损耗的增加，铁心高度饱和引起的漏磁通的增加，以及由此引发的局部过热、绝缘老化等问题。

In this topology, the main switches are operated under ZVS due to commutation of the transformer magnetizing current and the parasitic drain-source capacitance.

在此转换器，其主要开关主要是利用变压器的激磁电流和开关本身内部的寄生电容的换向，使得主开关操作於零电压的模式底下。

This thesis chooses B spline wavelet that adapts to the analysis of power system signal, and uses the wavelet transformer to analyze the magnetizing inrush current and inner fault current.

而小波变换具有多尺度分析和良好时频域局部化分析特性，适合提取信号边缘和峰值突变的特征，能够很好的检测信号奇异性。

The waveform of differential current in each data window is divided into four parts averagely according to time, and the area-ratio among the four parts can be used to distinguish magnetizing inrush from internal fault current.

该算法以工频一周波为数据窗长，将数据窗内的差流波形按时间均分为4份，根据各份面积之间的比值来识别励磁涌流和内部故障电流。

Objective:To compare the response control and attention of Schizophrenic patients with that of the healthy controls by Integrated Visual and Auditorycontinuous performance test. To quantitate the impairment of cognitive function in patients, and to explore the relationship between cognitive function and the severity of the disorder.

目的：探讨精神分裂症病人在IVA持续操作测试中的反应控制能力、注意力等，并与健康人进行比较，从而量化精神分裂症病人的认知功能损害，并进一步探讨其认知功能与疾病严重程度的关系。

Main effective factors including subcooling degree, mechanical vibration, gas hydrate reformation, environment temperature, noncondensing gas and surfactant are analyzed.

指出过冷度、机械振动、重复生成水合物、环境温度、不凝性气体、添加剂是影响气体水合物生成的主要因素，还对R152a水合物的放冷进行了实验研究。