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相关概念视频

Zones of Protection01:16

Zones of Protection

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In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
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Line Protection with Impedance Relays01:27

Line Protection with Impedance Relays

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Coordinating time-delay overcurrent relays in complex radial systems and directional overcurrent relays in multi-source transmission loops can be challenging. Impedance relays address these issues by responding to the voltage-to-current ratio, specifically measuring the apparent impedance of a line. These relays become more sensitive during faults as current increases and voltage decreases, thereby reducing the apparent impedance.
Under normal conditions, low load currents keep the measured...
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Induced Electric Fields: Applications01:27

Induced Electric Fields: Applications

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An important distinction exists between the electric field induced by a changing magnetic field and the electrostatic field produced by a fixed charge distribution. Specifically, the induced electric field is nonconservative because it does not work in moving a charge over a closed path. In contrast, the electrostatic field is conservative and does no net work over a closed path. Hence, electric potential can be associated with the electrostatic field but not the induced field. The following...
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The Quantum-Mechanical Model of an Atom02:45

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Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing...
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Electromagnetic Fields01:30

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Electric fields generated by static charges, often referred to as electrostatic fields, are characteristically different from electric fields created by time-varying magnetic fields. While the former is a conservative field, implying that no net work is done on a test charge if it goes around in a complete loop in the field, the latter is, by definition, not a conservative field; net work is done, and it is proportional to the rate of change of magnetic flux.
However, the observation of...
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Induced Electric Fields01:23

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The fact that emfs are induced in circuits implies that work is being done on the conduction electrons in the wires. What can possibly be the source of this work? We know that it’s neither a battery nor a magnetic field, as a battery does not have to be present in a circuit where current is induced, and magnetic fields never do any work on moving charges. The source of the work is in fact an electric field that is induced in the wires. For example, if a stationary conductor is placed in a...
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提高智能电网中的物联网安全性,使用量子抗性混合加密.

Jian Xiong1, Lu Shen2, Yan Liu3

  • 1Shenzhen Audencia Financial Technology Institute, Shenzhen University, Shenzhen, 518057, Guangdong, China.

Scientific reports
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本文介绍了用于物联网 (QRHE-IoT) 的量子电阻混合加密,这是保护智能电网的新方法. QRHE-IoT增强了对当前和未来量子计算威胁的数据加密.

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科学领域:

  • 计算机科学 计算机科学
  • 电气工程 电气工程
  • 网络安全 网络安全

背景情况:

  • 物联网 (IoT) 在智能电网中的整合在能源管理方面提供了显著的优势.
  • 然而,物联网在智能电网中的采用引入了关键的安全漏洞,特别是在数据加密方面.
  • 新兴的威胁,如量子计算,对物联网设备中使用的传统加密方法构成重大风险.

研究的目的:

  • 提出和评估一种新的加密机制,即用于物联网的量子耐性混合加密 (QRHE-IoT),用于保护物联网智能电网中的通信.
  • 针对先进的网络威胁和量子计算,解决传统加密算法的局限性.
  • 为不断发展的智能电网技术领域提供强大的安全解决方案.

主要方法:

  • 开发用于物联网 (QRHE-IoT) 量子耐性混合加密机制.
  • 整合对称和不对称的加密与量子抗性算法.
  • 在模拟智能电网环境中测试和评估QRHE-IoT.

主要成果:

  • 拟议的QRHE-IoT机制证明了智能电网通信的增强安全性.
  • 该系统有效地解决了物联网集成引入的漏洞.
  • 模拟环境测试证实了QRHE-IoT对各种网络威胁的稳定性,包括量子攻击.

结论:

  • QRHE-IoT提供了一种有前途且有效的解决方案,用于保护支持物联网的智能电网.
  • 混合方法与量子阻力相结合,为当前和未来的安全挑战提供了强有力的防御.
  • 这种机制对于在先进计算时代保持能源基础设施的完整性和安全性至关重要.