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IMPEDANCES: 作品数：12被引量：5H指数：1; 导出分析报告; 相关领域：电子电信更多>>; 相关作者：赵兵更多>>; 相关机构：中国科学院更多>>; 相关期刊：《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》《Smart Grid and Renewable Energy》《Circuits and Systems》《Journal of Electronics(China)》更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划更多>>

Analysis of Transforming dq Impedances of Different Converters to A Common Reference Frame in Complex Converter Networks: 《CES Transactions on Electrical Machines and Systems》2019年第4期342-350,共9页Qi Xiao Paolo Mattavelli Aram Khodamoradi Fen Tang; The support of the first and fourth authors is given by National Key R&D Program of China,2018YFB0905200.The support for the second and third authors is coming from BIRD171227/17 project of the University of Padova.; DQ impedance-based method has been widely used to study the stability of three-phase converter systems.As the dq impedance model of each converter depends on its local dq reference frame,the dq impedance modeling of c...; 关键词：Complex converter networks impedance transformation synchronous rotating dq frame stability analysis.

Droop Control Methods for PV-Based Mini Grids with Different Line Resistances and Impedances: 《Smart Grid and Renewable Energy》2018年第6期101-112,共12页Nicholas Nixon Opiyo; Different droop control methods for PV-based communal grid networks (minigrids and microgrids) with different line resistances (R) and impedances (X) are modelled and simulated in MATLAB to determine the most efficien...; 关键词：Droop Control COMMUNAL GRID INVERTER

An Analytical Solution for Dynamic Response of the Plate with Different Impedances Subjected to Underwater Explosion被引量：2: 《China Ocean Engineering》2016年第3期329-342,共14页陈莹玉姚熊亮肖巍; financially supported by the National Natural Science Foundation of China(Grant Nos.51279038,51509228,and 51479041); In this paper, the transmitted part of the incident wave is considered to revise Taylor＇s solution, which is used to extend its application for analytical models to predict the response of the plate with different ma...; 关键词：underwater explosion analytical solution different impedances dynamic response

A Configuration for Realizing Voltage Controlled Floating Inductance and Its Application被引量：1: 《Circuits and Systems》2015年第9期189-199,共11页Praween K. Sinha Dr Neelam Sharma Rohit Mishra; A configuration using current feedback amplifiers AD844 and multiplier AD534 has been presented, which is capable of realizing Voltage Controlled Floating Inductance (proportional and in-verse proportional). The appli...; 关键词：INDUCTANCE Simulation Voltage-Controlled IMPEDANCES MULTIPLIER Filter OSCILLATOR Current Feedback Operational AMPLIFIER

Transmission Line Sequence Impedances Identification Using PMU Measurements被引量：1: 《Journal of Energy and Power Engineering》2015年第2期214-221,共8页Huafeng Zhou Xuanyu Zhao Di Shi Huashi Zhao Chaoyang Jing; An online TL （transmission line） impedance TPIS （transmission line parameter identification system） using PMU （phasor measurement unit） was recently developed and implemented at CSG （china southern power grid c...; 关键词：Sequence impedance transmission line PMU constrained optimization.

Nonlinear impedances of thermoacoustic stacks with ordered and disordered structures: 《Chinese Physics B》2014年第7期465-469,共5页葛欢范理夏洁张淑仪陶莎杨跃涛张辉; supported by the National Basic Research Program of China(Grant No.2012CB921504);the National Natural Science Foundation of China(GrantNos.11374154,10904067,and 11174142);the Ph.D.Programs Foundation of Ministry of Education of China(Grant No.20090091120050);the PriorityAcademic Program Development of Jiangsu Higher Education Institutions,China;the Fundamental Research Funds for the Central Universities of Ministryof Education of China(Grant No.1101020402); Nonlinear impedances of two thermoacoustic stacks with ordered structures （plate-type and pipe-type） and one with a disordered structure （copper mesh） are studied. The linear resistances, nonlinear coefficients an...; 关键词：thermoacoustic stack impedance NONLINEARITY

Optimum Design of Multi-band Transformer with Multi-section for Two Arbitrary Complex Frequency-dependent Impedances: 《Chinese Journal of Electronics》2012年第1期160-164,共5页CHEN Ming; This work is supported by the National Natural Science Foundation of China （No.61040064）.; N-frequency Transmission line trans- formers （TLTs） with N-section for two arbitrary com- plex frequency-dependent impedances is optimally de- signed based on an ideal transmission-line model. Opti- mum design equat...; 关键词：Complex frequency-dependent impedances MULTI-BAND Transmission line transformer Particle swarm algorithm Levenberg-Marquardt algo- rithm.

A Three-Frequency Transformer for Complex Impedances with Three-Section: 《Chinese Journal of Electronics》2011年第2期343-346,共4页CHEN Ming; A three-frequency simultaneously matching transformer for complex impedances with three-section is proposed. In this paper, based on a lossless transmissionline model, the design equations and corresponding solutions ...; 关键词：Complex impedances Three-frequency Impedance match.

Petrologic composition model of the upper crust in Bohai Bay basin,China,based on Lamé impedances被引量：1: 《Applied Geophysics》2009年第4期327-336,393,394,共12页张唽 Loui sa L.H.Tsang 王仰华赵兵; supported by the National Natural Science Foundation of China (Grant 20930140);the Chinese Academy of Sciences and the sponsors of the Centre for Reservoir Geophysics of the Imperial College; Seismic attributes, such as P- and S-wave velocity, Poisson＇s ratio, and acoustic impedances, all generally can be used for distinguishing different rock types. The nonuniqueness can be largely reduced using Lame imp...; 关键词：seismic velocity Poisson＇s ratio acoustic and Lam6 impedances Bohai Bay

Earth return path impedances of underground cable for three-layer earth: 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》2009年第8期1191-1198,共8页B.HEMMATIAN B.VAHIDI S.H.HOSSEINIAN; One of the factors that affect the parameters of an underground cable is earth return path impedance.Pollaczek developed a formula for the case of one-layer(homogenous) earth.But in practice the earth is composed of s...; 关键词：Underground cables Earth return path impedance Earth stratification Finite element method （FEM）

IMPEDANCES