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Transmission line matrix methods

Design of Metamaterial Multilayer Structures as Frequency Selective Surfaces

Design of Metamaterial Multilayer Structures as Frequency Selective Surfaces

... extended Transmission Line Transfer Matrix Method (TLTMM) [2], and a matrix method ...the methods based on the equivalent transmission line model are simple, fast and ...

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Computational Study of 400 kV Transmission
Lines Against Lightning with Line
Terminating Matrix

Computational Study of 400 kV Transmission Lines Against Lightning with Line Terminating Matrix

... generation, transmission and ...conventional methods in solving the power system design, planning, operation and control problems have been very extensively used for different applications but these ...

8

Efficient Linear Matrix Solver and Its Hardware Implementations Dedicated to Faster-Than-Real-Time Dynamic Simulation of Large Scale of Power System.

Efficient Linear Matrix Solver and Its Hardware Implementations Dedicated to Faster-Than-Real-Time Dynamic Simulation of Large Scale of Power System.

... Woodbury matrix identity methods were utilized, with the help of HPC ...the matrix decomposition was still time-consuming, which took over 4 seconds according to their efforts ...iterative ...

151

Analysis of Planar Microstrip Circuits Using Three-Dimensional Transmission Line Matrix Method

Analysis of Planar Microstrip Circuits Using Three-Dimensional Transmission Line Matrix Method

... those methods directly give characteristic of the circuits frequency by ...The transmission line matrix (TLM) method presented in this paper is another independent approach for obtaining the ...

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Some Key Developments in Computational Electromagnetics and their Attribution

Some Key Developments in Computational Electromagnetics and their Attribution

... Other methods used for high frequency problems include the circuit analogy method, transmission line matrix (TLM), first introduced by Johns [73] which in effect is a numerical imple- ...

6

A Fast Hybrid WCIP and Fdtlm Approach to Study Inhomogeneous Circuits

A Fast Hybrid WCIP and Fdtlm Approach to Study Inhomogeneous Circuits

... Abstract—The hybrid approach based on the coupling of the Wave Concept Iterative Procedure method and the Frequency Domain Transmission Line Matrix method is improved. The proposed method reduces the ...

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INVESTIGATING VEGETATION INDUCED FAULTS ON POWER TRANSMISSION LINE; A CASE STUDY OF THE IRRUA-AUCHI-AGENEBODE 33KV TRANSMISSION LINE EDO STATE NIGERIA

INVESTIGATING VEGETATION INDUCED FAULTS ON POWER TRANSMISSION LINE; A CASE STUDY OF THE IRRUA-AUCHI-AGENEBODE 33KV TRANSMISSION LINE EDO STATE NIGERIA

... way. Only under the “right” combination of conditions does the fault pathway become more conductive. In these cases, the fault pathway evolves from high to low resistance, resulting in high levels of fault current and ...

7

Aircraft-Lightning Electrodynamics Using the Transmission Line Model Part I: Review of the Transmission Line Model

Aircraft-Lightning Electrodynamics Using the Transmission Line Model Part I: Review of the Transmission Line Model

... reported transmission line model of the cloud-to-ground (CG) lightning return ...a transmission line. A distributed transmission line model for the aircraft and the return stroke ...

17

Simulation on Calculation Accuracy of Three Methods  for Live Line Measuring the Parameters of Transmission Lines with Mutual Inductance

Simulation on Calculation Accuracy of Three Methods for Live Line Measuring the Parameters of Transmission Lines with Mutual Inductance

... Live line measurement methods can reduce the loss of power outages and eliminate ...live line measurement methods including integral method, differential method and algebraic ...parallel ...

5

ESTIMATION AND CHARACTERISTIC OF THE EFFECTIVE DIELECTRIC CONSTANT OF MICROSTRIP LINE USING QUASI STATIC ANALYSIS

ESTIMATION AND CHARACTERISTIC OF THE EFFECTIVE DIELECTRIC CONSTANT OF MICROSTRIP LINE USING QUASI STATIC ANALYSIS

... microstrip line using quasi static analysis and performances are predicted using theoretical ...microstrip line structures are presented. The analysis formulas for microstrip line are derived and ...

9

A Distinctive Method of Eliminating Out-Band Instability in Cascaded Active Device System Based on Narrow-Band Attenuation

A Distinctive Method of Eliminating Out-Band Instability in Cascaded Active Device System Based on Narrow-Band Attenuation

... traditional methods (isolator and attenuator), the proposed solution introduces an appropriate length of transmission line to change the input impedance at the out-band instable frequency point and ...

7

Laboratory Setup for Long Transmission Line

Laboratory Setup for Long Transmission Line

... important subjects in electrical power system curriculum. Unfortunately, the theoretical concepts learned in the class room cannot be verified in a laboratory. The development of laboratory model to perform experiments ...

6

Stability Analysis of AC Transmission Line Using UPFC at Different Lengths of Transmission Line

Stability Analysis of AC Transmission Line Using UPFC at Different Lengths of Transmission Line

... end line L2is used to control the active or reactive power at bus UPFC is connected at the right end of line L2 is used to control the active and reactive power at the 500 kv bus b3 ...

7

Survey on enhancing transmission capabilities of long transmission line

Survey on enhancing transmission capabilities of long transmission line

... increase transmission line network, hence option remained to meet the demand is to use existing transmission systems ...how transmission capability of line is improved with the help of ...

6

Impact of Geomagnetically Induced Currents on Power Transformers and Power System

Impact of Geomagnetically Induced Currents on Power Transformers and Power System

... The cause of GIC and transformers failure is due to solar storm activities. Solar storms produce coronal mass ejection due to which Earth’s magnetic field changes and because of it Geomagnetic induced current enters the ...

5

Load Flow And Contingency Studies For The Nigeria 31-Bus 330-Kv Power System

Load Flow And Contingency Studies For The Nigeria 31-Bus 330-Kv Power System

... Abstract: It is desirable for an electric network to be 100% efficient, in which case the total power generated in the network equals the total power consumed. However, due to the presence of impedances in ...

9

Model of an Atom by Analogy with the Transmission Line

Model of an Atom by Analogy with the Transmission Line

... parallel-wire transmission line, on the so-called Lecher’s line ...Lecher’s transmission line, corresponding to a certain atom, multiplied by their atomic number, appears as a ...

5

Seismic Forces on Transmission Line Tower

Seismic Forces on Transmission Line Tower

... Transmission line tower normally comprise of several hundredangle members eccentrically connected. Structural analysis of this type of structure requires extensive data generation. Conventional process of ...

8

Reactive Power Control of Transmission Line

Reactive Power Control of Transmission Line

... excessively, transmission lines go disconnected, over-burdening different lines and conceivably causing falling ...or transmission offices causes dropping voltage, which causes a further decrease in ...

7

The physical meaning of transmission-line parameters in a full-wave theory

The physical meaning of transmission-line parameters in a full-wave theory

... In this case, the former algebraic relation changes to an inte- gral relation (see Eq. 14) and the potential-current equations are given by the more complicated Eqs. (16) and (17a, b). Now the line parameters lose ...

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