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相关概念视频

Pilot and Numeric Relaying01:21

Pilot and Numeric Relaying

86
Pilot relaying is a type of differential protection used in power systems. It compares electrical quantities at the terminals of equipment via a communication channel instead of direct relay interconnection. This method is essential for transmission lines where the terminals are far apart, typically up to 80 km for lines with 69 to 115 kV ratings. Four types of communication channels are used for pilot relaying:
86
Power System Distribution01:25

Power System Distribution

235
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...
235
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

187
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:
187
Distribution Reliability and Automation01:25

Distribution Reliability and Automation

107
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
107
Secondary Distribution01:25

Secondary Distribution

84
Secondary distribution systems provide electrical energy at the utilization voltage levels from distribution transformers to customer meters. Typical secondary voltages in the United States include 120/240 V for residential use, 208Y/120 V for residential and commercial use, and 480Y/277 V for industrial and high-rise commercial use.
In residential areas, 120/240 V single-phase, three-wire service is commonly used for lighting, outlets, and large appliances. Urban areas with high-density loads...
84
Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

107
The maximum power flow for lossy transmission lines is derived using ABCD parameters in phasor form. These parameters create a matrix relationship between the sending-end and receiving-end voltages and currents, allowing the determination of the receiving-end current. This relationship facilitates calculating the complex power delivered to the receiving end, from which real and reactive power components are derived.
107

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相关实验视频

Updated: Jun 25, 2025

Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit
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Large Scale Energy Efficient Sensor Network Routing Using a Quantum Processor Unit

Published on: September 8, 2023

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智能电网的轻量级基于哈希的身份验证协议

Sangjin Kook1, Keunok Kim1, Jihyeon Ryu2

  • 1Department of Electrical and Computer Engineering, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon-si 16419, Republic of Korea.

Sensors (Basel, Switzerland)
|May 25, 2024
PubMed
概括
此摘要是机器生成的。

本研究介绍了使用单向哈希函数的智能电表 (SM) 的安全,高效的身份验证协议. 新协议增强了电网安全性,并显著提高了计算效率.

关键词:
基于哈希的身份验证轻量级的用户身份验证智能电网身份验证的认证

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科学领域:

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

背景情况:

  • 智能电网利用信息和通信技术提高电力生产,运输和消费.
  • 智能电表 (SM) 对于实时监控电力使用至关重要,但需要强大的安全性和轻量级协议.
  • 现有的SM安全面临来自恶意攻击和通信限制的挑战.

研究的目的:

  • 为智能电表 (SM) 提出一种新的身份验证协议.
  • 解决内存保护和通信过程中的安全漏洞.
  • 开发适用于资源有限的设备的轻量级协议.

主要方法:

  • 提出了一种基于单向哈希函数的新身份验证协议.
  • 该协议包含消息身份验证功能,以防止改.
  • 实现了动态加密密钥机制,以确保每次传输的安全通信.

主要成果:

  • 拟议的协议有效地解决了对智能电表的现有安全威胁.
  • 安全性和性能分析表明它有能力减轻恶意攻击.
  • 该协议比以前的方法提高了105,281.67%的计算效率.

结论:

  • 开发的身份验证协议提高了智能电网的安全性和效率.
  • 它为智能电表通信提供了安全和轻量级的解决方案.
  • 该协议在保护智能电网基础设施方面取得了重大进展.