نتایج جستجو برای: transmission line method

تعداد نتایج: 2182529  

Journal: :Physica Status Solidi B-basic Solid State Physics 2022

We consider the series-connected Josephson transmission line (JTL), constructed from junctions, capacitors and (possibly) resistors. calculate velocity of shocks in discrete lossy JTL. study thoroughly continuum quasi-continuum approximations to JTL, both lossless lossy. In framework these we show that compact travelling waves JTL are kinks solitons, their velocities. On top each above mentione...

2008
Yvonne Weitsch Thomas F. Eibert

The majority of up-to-date conceived composite right-handed / left-handed (CRHLH) transmission lines (TL) are open configurations derived from microstrip technology. We present here a closed CRHLH architecture derived from the H10 rectangular hollow waveguide mode, which is realised in substrate-integrated waveguide (SIW) technology and is thus easy to fabricate. The dispersion characteristic i...

Journal: :Journal of Applied Physics 2012

2008
Zhenggan ZHOU Zhanying FENG

Ultrasonic guided wave can propagate over a long distance and can be used to inspect plate and shell structure. Line-scan method is always applied to guide wave inspection. However, it is a problem how to locate the defects and how to image the inspection results if the through transmission method is used. In order to solve this problem, the imaging method of inspection results with ultrasonic ...

2011
PEERAWUT YUTTHAGOWITH

This paper proposes a simple transmission line model adopted with the partial element equivalent circuit (PEEC) method for lightning surge analysis. The proposed approach is employed for calculating tower surge responses and voltages across insulators of an actual transmission tower. The proposed approach increases the efficiency of the method in terms of computation time because of reducing a ...

Journal: :Journal of the American Institute of Electrical Engineers 1922

Journal: :Energija 2023

Multiple failures of transmission lines caused by climatic/atmospheric impact plague many electric power systems. Direct damage from such is quite huge, yet it marginal compared with the social reduction in supply electricity. As not economical to construct weatherproof lines, preventive actions should be employed most effective restoration, or reduce restoration time. A working group CIGRÉ (WG...

In power systems, a connected topology is created to increase reliability and economic performance. Increasing dimensions of power systems on the one hand and the need to continuously monitor power systems for secure operation on the other challenge the evaluation of power system security. In such conditions, due to economic conditions and considering the fast growth of consumers in a power sys...

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