系统阻抗,system impedance
1)system impedance系统阻抗
1.For the important characteristic of the sourcesystem impedance applied in the power system, a novel method of on-line measurement for the sourcesystem impedance is proposed, which utilized the dynamic process of spontaneous short-circuit of the rectifier current transition.针对电网的系统阻抗参数在电力系统应用中的重要作用,提出一种在线实时电网系统阻抗测量方法。
2.It considers that the economic and feasible measures that decrease the voltage fluctuation of the bus bar are to reduce thesystem impedance and reasonably distribute impacting load users.通过对新余钢铁公司四总降6kV母线电压波动原因进行分析,指出减小系统阻抗及合理分配冲击性负荷用户是降低母线电压波动过大较经济、可行的措施,同时对大容量快速开关的技术特点作了较详细介绍。
3.Introducing the principle of adaptive instantaneous trip current protection,the discrimination method of short circuit fault type,the real time and on-line calculation method ofsystem impedance,the calculation method of jump-value of current and the protection area of adaptive instantaneous trip current protection respectively.介绍了自适应电流速断保护的原理,短路故障类型的识别方法,系统阻抗的在线实时计算方法,电流突变量的提取方法及自适应电流速断保护的保护范围。
2)electrical impedance system电阻抗系统
3)system imopedance ratio系统阻抗比
4)electric impedance tomography (EIT)电阻抗成像系统
英文短句/例句
1.A design of Magnetic resonance electrical impedance tomography( MREIT) system is presented.介绍了磁共振电阻抗成像系统设计。
2.Design of Multi-frequency Current Source for Electrical Impendance Tomography System电阻抗成像系统中的多频恒流源设计
3.The Hardware System Study of the Magnetic Resonance Electrical Impedance Tomography;磁共振电阻抗成像（MREIT）硬件系统的研究
4.The Research on Bio-tissue Impedance Spectra Measurements and Electrical Impedance Tomography;生物组织复电阻抗频谱测量及电阻抗断层成像系统的研究
5.Electrode System Property and the Evaluation Method of Electrical Impedance Tomography电阻抗断层成像电极系统性能与评价方法研究
6.Research on Image Reconstruction Algorithms and Design of Software for Electrical Impedance Tomography System;电阻抗断层成像算法研究及系统软件设计
7.Research and Development of the 32 Channels EIT System;电阻抗断层成像数据采集系统的设计与研究
8.Development and Study of the Measurement System for Open Electrical Impedance Tomography开放式电阻抗断层成像的测量系统设计与研究
9.Magnetic Resonance Electrical Impedance Tomography for Human Head Conductivity Distribution Measurement;基于磁共振成像系统的头部三维电阻抗成像技术研究
10.Study on Opening Electrical Impedance Tomography Principles and Imaging Experiment开放式电阻抗断层成像测量系统设计与成像试验研究
11.The Fundamental Research in Multichannel Data Acquisition System of Magnetic Induction Tomography;多通道磁感应电阻抗断层成像数据采集系统基础研究
12.Research on Multi-Frequency Hardware System of Electrical Impedance Tomography Based on DSP Control;基于DSP控制的多频电阻抗断层成像硬件系统研究
13.Simulation and Study on 32-electrode Electrical Resistance Tomography System32电极电阻层析成像系统仿真研究
14.Research on Electrical Resistance Tomograghy System Based on DSP;基于DSP的电阻层析成像系统研究
15.Design of the Parallel Data Acquisition System for Electrical Resistance Tomography;电阻层析成像并行数据采集系统设计
16.Hardware Design of an ERT/ECT Information Fusion Tomogra phy System电阻/电容信息融合成像系统的硬件电路设计
17.electronic countermeasure resistant communication system电子对抗阻力通信系统
18.Initial Study of Electrical Impedance Tomography (EIT) in the Hemorrhage Model of Piglets;生物电阻抗断层成像系统在猪脑内血肿模型急性期实时监护的初步研究
相关短句/例句
electrical impedance system电阻抗系统
3)system imopedance ratio系统阻抗比
4)electric impedance tomography (EIT)电阻抗成像系统
5)supply system impedance供电系统阻抗
6)immittance system声阻/导抗系统
延伸阅读
星接阻抗和三角接阻抗的变换星接阻抗和三角接阻抗的变换transformation between starc-onnected and delta-connected impedancesx ing]一e乙日kongl介e sonJ一00}Iez日伙ongde匕一。一〕huon星接阻抗和三角接阻抗的变换(t ransfor-mation betweenstar一eonneeted and delta-eonneeted imPedanees)接成星形的三个阻抗和接成三角形的三个阻抗互相替代的等效变换。它们之间的关系可用一组变换公式表示。按这组公式，用星接阻抗替换三角接阻抗或者反过来，不会影响稳态下电路其他部分的正弦电压和电流，常用于对称三相电路的分析和计算。图1为三个阻抗21、Z:、23接成星形(又称丫形)。图2为三个阻抗Z小22。、Zal接成三角形(又称△形)。它们之间的变换公式如下:人23土图1星接阻抗图2三角接阻抗(1)将星形连接变换成三角形连接212一Z:+22+2 122及3一22+za十警(1)、|冬|矛231一23+21+2321(2)将三角形连接变换成星形连接z、-二一典乒兴-) 艺‘2士乙“3十乙31…_2 oqZI，}Z。一下万~一二-二二-汁 乙‘2士乙23十乙3‘1_Z。IZoq}艺q一二二一~二，二二--，-二二-~J 乙12十乙23十艺32夕(2)当三个星接阻抗相等，即21一Z:一23一z丫、三个三角接阻抗相等即212一223一231一Z△时，变换公式是Z二一32丫，Z丫一Z△/3
