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high-impedance transmission lines

Design of Stepped Impedance Microstrip Low Pass Filter with DGS

Design of Stepped Impedance Microstrip Low Pass Filter with DGS

... and high impedance transmission lines. The low impedance lines act as shunt capacitors and the high impedance lines act as series inductors ...

10

Compact and Performance Evaluation of Branch-Line Hybrid Coupler Microstrip for Long Term Evolution Applications

Compact and Performance Evaluation of Branch-Line Hybrid Coupler Microstrip for Long Term Evolution Applications

... short high impedance transmission lines, two-step stubs, high and low impedance open stubs, stepped impedance stub lines, artificial transmission line, ...

8

High Impedance Properties of Two-Dimensional Composite Right/Left-Handed Transmission Lines

High Impedance Properties of Two-Dimensional Composite Right/Left-Handed Transmission Lines

... Metal wires in a three-dimensional cubic lattice and split ring resonators were respectively proposed to achieve negative permittivity and permeability [1, 2]. Left-handed metamaterials with simultaneously negative ...

8

A Novel Solution for Clearance of High Resistive Faults in High Voltage Transmission Lines

A Novel Solution for Clearance of High Resistive Faults in High Voltage Transmission Lines

... load impedance might enter the zone characteristics without any fault on the protected ...and high emergency load is transferred on the protected line ...

10

Wideband Impedance Matching in Transient Regime of Active Circuit Using Lossy Nonuniform Multiconductor Transmission Lines

Wideband Impedance Matching in Transient Regime of Active Circuit Using Lossy Nonuniform Multiconductor Transmission Lines

... With the development of numerical data communications, the demand of high speed and wide-band circuit increases rapidly [7– 11]. For these reasons the study of the transient domain of components is becoming more ...

19

Analysis of Multiconductor Quasi-TEM Transmission Lines and Multimode Waveguides

Analysis of Multiconductor Quasi-TEM Transmission Lines and Multimode Waveguides

... quasi-TEM lines transmission interconnect in a single dielectric region and multimode waveguides using the finite element method ...interconnecting lines in high- speed digital ...

7

Bagley Power Divider with Uniform Transmission Lines for Arbitrary Power Ratio and Terminated in Different Impedances

Bagley Power Divider with Uniform Transmission Lines for Arbitrary Power Ratio and Terminated in Different Impedances

... a high impedance and a low impedance lines between input and output ports to split the signal ...a high split power ratio, high impedance lines were ...the ...

9

High Voltage Induced By Transmission Lines Due To Lightning – Case Study

High Voltage Induced By Transmission Lines Due To Lightning – Case Study

... In this section, will be presented results of the developed model using EMTP/ATPDraw. These results allow an analysis of the parameters influencing the induced voltage wave. For comparison of results of simulations and ...

7

A Dual-Band Impedance Transformer Using Pi-Section Structure for Frequency-Dependent Complex Loads

A Dual-Band Impedance Transformer Using Pi-Section Structure for Frequency-Dependent Complex Loads

... Chebyshev impedance transformer provided a way to transform real impedance at dual-band [10, ...real impedance at two arbitrary frequencies ...complex impedance are used ...real ...

16

Transmission Characteristics of High Frequency Signal in Low Voltage Power Lines

Transmission Characteristics of High Frequency Signal in Low Voltage Power Lines

... the impedance of low voltage power lines changeable and ...the impedance discontinuity will occur at the discontinuous point of the line impedance, resulting in reflection, standing wave, ...

6

Networks of high frequency inhomogeneous transmission lines

Networks of high frequency inhomogeneous transmission lines

... the transmission line is not homogeneous the clas- sical theory is no longer ...input impedance is not accurate. For the impedance a distinct voltage is necessary, but in a full wave method only ...

7

LPF using Defected Ground Structure and Microstrip-line

LPF using Defected Ground Structure and Microstrip-line

... The low pass filter is designed using high and low impedance transmission line sections. The low pass filter prototype element values are calculated for chebyshev response. These lumped element ...

9

Experimental studies on impedance based fault location for long transmission lines

Experimental studies on impedance based fault location for long transmission lines

... accuracy of measuring systems and CT saturation appear important. Therefore, it is suggested to apply optical measurement transformers where they have high accuracy for high voltage system. And regarding to ...

9

A 10:1 Unequal Gysel Power Divider Using a Capacitive Loaded Transmission Line

A 10:1 Unequal Gysel Power Divider Using a Capacitive Loaded Transmission Line

... characteristic impedance of the transmission-line sections sets ...low impedance lines for a high dividing ratio divider, we investigate the structure of a capacitive loaded ...

10

Low Frequency Induction Simulation of Power Transmission Lines and Pipelines: A Comparative Study

Low Frequency Induction Simulation of Power Transmission Lines and Pipelines: A Comparative Study

... mission lines, with attendant problem of induced volt- age on the ...nearby high voltage transmission lines using circuit analysis, the mutual impedance between the power line ...

6

Design and Implementation of RF and Microwave Filters Using Transmission Lines

Design and Implementation of RF and Microwave Filters Using Transmission Lines

... Low-pass, high-pass, band-pass and band-stop filters are ...source impedance and the cut-off frequency are normalised to ...on impedance; at the input, the reflection coefficient is calculated from ...

67

Electrostatic Analysis of Transmission Lines to Simulate Corona Discharge at High Voltage

Electrostatic Analysis of Transmission Lines to Simulate Corona Discharge at High Voltage

... As given in Section 2, electrostatic mathematical equations, identical for 2D Laplace equations, are solved numerically using indirect BEM and verified by FEM. The equations have been solved for nominal, 40% and 60% ...

7

The Effects of High Voltage Electric Transmission Lines on Commercial and Industrial Properties

The Effects of High Voltage Electric Transmission Lines on Commercial and Industrial Properties

... abutting transmission line right-of-ways in Portland, Vancouver and Seattle, and properties located in the same cities but away from a transmission ...“abutting transmission line” effect on sales ...

28

APPLICATION OF HIGH CAPACITY CONDUCTORS FOR UPRATING OF EXISTING TRANSMISSION LINES IN NEPAL

APPLICATION OF HIGH CAPACITY CONDUCTORS FOR UPRATING OF EXISTING TRANSMISSION LINES IN NEPAL

... kV transmission system capacities in Egyptian Power Network shows that uprating by increasing voltage level were not possible due to air clearance issues but use of HTLS conductor was found ...at high ...

6

Underground Transmission Lines

Underground Transmission Lines

... UNDERGROUND TRANSMISSION For the 138-kV Palace Station Underground Transmission Project, Burns & McDonnell provided design of 1300 feet of 138-kV, 2000kcmil XLPE ...overhead transmission ...

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