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相关概念视频

Transmission Line Design Considerations01:23

Transmission Line Design Considerations

131
Aluminum has become the material of choice for overhead transmission lines, surpassing copper due to its abundance and cost-effectiveness. The most prevalent type is the aluminum conductor, steel-reinforced (ACSR), which combines aluminum strands around a steel core. Other variants include all-aluminum conductors (AAC), all-aluminum alloy conductors (AAAC), aluminum conductor alloy-reinforced (ACAR), and aluminum-clad steel conductors. Advanced designs, such as aluminum conductors with steel...
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Cable Subjected to a Distributed Load01:24

Cable Subjected to a Distributed Load

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The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.
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Cable Subjected to Concentrated Loads01:28

Cable Subjected to Concentrated Loads

807
Flexible cables are commonly used in various applications for support and load transmission. Consider a cable fixed at two points and subjected to multiple vertically concentrated loads. Determine the shape of the cable and the tension in each portion of the cable, given the horizontal distances between the loads and supports.
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Cable Subjected to Its Own Weight01:13

Cable Subjected to Its Own Weight

438
Overhead power transmission lines rely on cables to carry electricity across large distances. To ensure the stability and functionality of these lines, it is crucial to understand the shape and tension experienced by the cables under the influence of their weight.
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...
438
Cable: Problem Solving01:29

Cable: Problem Solving

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When dealing with a cable that is fixed to two supports and subjected to uniform loading, it is crucial to determine the maximum tension in the cable. This process can be broken down into several key steps, as outlined below:
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Energy Stored In A Coaxial Cable01:31

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A coaxial cable consists of a central copper conductor used for transmitting signals, followed by an insulator shield, a metallic braided mesh that prevents signal interference, and a plastic layer that encases the entire assembly.
In the simplest form, a coaxial cable can be represented by two long hollow concentric cylinders in which the current flows in opposite directions. The magnetic field inside and outside the coaxial cable is determined by using Ampère's law. The magnetic...
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Updated: Jun 16, 2025

In Situ Time-dependent Dielectric Breakdown in the Transmission Electron Microscope: A Possibility to Understand the Failure Mechanism in Microelectronic Devices
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过电缆设计具有缺陷的导体传输结构.

Han Yunan1, Cuilian Jiang2, Shuangqing Xiong2

  • 1Department of the College of Information Science and Technology, Beijing University of Chemical Technology, Beijing, China. hanyn@mail.buct.edu.cn.

Communications engineering
|August 16, 2024
PubMed
概括
此摘要是机器生成的。

本研究介绍了一种使用缺陷导体传输结构 (DCTS) 的新过器电缆设计,以提高电磁兼容性. 创新的过线有效地通过切断合路径来抑制电磁干扰.

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科学领域:

  • 电气工程 电气工程
  • 电磁学 电磁学 电磁学 电磁学
  • 材料科学 材料科学 材料科学

背景情况:

  • 电缆对于信号传输至关重要,但在复杂的环境中容易受到电磁干扰.
  • 传统电缆缺乏集成的过功能,因此需要外部解决方案来实现电磁兼容性 (EMC).
  • 用分布式过来调整电缆对于在先进应用中可靠的性能至关重要.

研究的目的:

  • 引入和验证一种新的过电缆设计,采用有缺陷的导体传输结构 (DCTS).
  • 证明DCTS在过特定电磁频率和增强EMC方面的有效性.
  • 为减少电气系统中的电磁干扰提供实用解决方案.

主要方法:

  • 一个过线的设计与一个绝缘的核心和一个灵活的印刷电路板 (FPCB) 制造的DCTS特征刻画的图案.
  • 使用聚四乙烯作为内部介电材料.
  • 制造和测试具有特定尺寸 (2.4毫米直径,340毫米长) 的低通波电缆和六个槽环缺陷结构.

主要成果:

  • 拟议的波器电缆在传输带内具有最小的插入损失 (<0.38 dB低于6 GHz).
  • 在停止频段 (7.7-25 GHz) 中实现了超过23dB的显著排斥.
  • 进一步的改进导致截止带衰减大于50dB (7.1GHz至20GHz).

结论:

  • 基于DCTS的过电缆有效地作为分布式过器起作用,类似于一次性过电路.
  • 这种设计通过减弱不必要的电磁波和切断干扰合路径,显著提高了电磁兼容性.
  • 开发的波器电缆提供了一个有前途的解决方案,可以在具有电磁挑战性的环境中提高信号完整性和系统可靠性.