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相关概念视频

Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

134
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
134
Power System Distribution01:25

Power System Distribution

216
Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
216
Radial System Protection01:23

Radial System Protection

84
Radial systems employ time-delay overcurrent relays to reduce load interruptions. When a fault occurs, the nearest breaker opens first, while upstream breakers remain closed due to longer delay settings. This approach ensures minimal disruption to the rest of the system.
In a radial system with a fault downstream of the third breaker, ideally, only the third breaker will open, isolating the fault and interrupting the load connected beyond it. The second breaker has a longer delay setting,...
84

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相关实验视频

Updated: May 12, 2025

Integration of 5G Experimentation Infrastructures into a Multi-Site NFV Ecosystem
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SecuNet 4D是一个用于分布式SDN安全性和弹性的综合框架.

Sumit Badotra1, Mohan Gurusamy2

  • 1Department of Electrical and Computer Engineering, National University of Singapore, Singapore, Singapore. sumit_22@nus.edu.sg.

Scientific reports
|May 9, 2025
PubMed
概括

SecuNet-4D检测增强了分布式软件定义网络 (SDN) 的安全性. 这个框架可以防止攻击,同步策略,并确保网络弹性,停机时间最小.

关键词:
控制器 控制器 控制器 控制器数据平面数据平面在法学士 (LLM) 课程中.优化优化 优化优化在SDN中,SDN是SDN.

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Automated Deployment of an Internet Protocol Telephony Service on Unmanned Aerial Vehicles Using Network Functions Virtualization
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科学领域:

  • 计算机科学 计算机科学
  • 网络安全 网络安全
  • 分布式系统 分布式系统

背景情况:

  • 越来越复杂的网络需要可扩展和弹性分布式软件定义网络 (SDN) 架构.
  • 多个控制器对于有效管理复杂网络至关重要.

研究的目的:

  • 在分布式SDN系统中引入SecuNet-4D检测,这是一个统一的防御,分布和动态适应框架.
  • 提高多控制器SDN架构的安全性,可靠性和性能.

主要方法:

  • 实施一种加密技术,以保护SDN控制器之间的数据交换.
  • 制定统一的机制来消除冲突和协调政策.
  • 部署实时威胁检测系统,并提供冗余的故障恢复计划.

主要成果:

  • 防止98.5%的拦截和伪造攻击,时间延迟最小.
  • 减少了约87%的冲突,并在50 ms内协调政策.
  • 实现了95%的威胁检测准确度,并将网络停机时间减少了高达90%.

结论:

  • 对于分布式SDN架构来说,SecuNet-4D检测提供了一个强大的,可扩展的安全解决方案.
  • 该框架有效地适应各种网络大小,从小到大部署.
  • 这项研究显著提高了未来网络部署的安全性和可靠性.