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相关概念视频

Power System Distribution01:25

Power System Distribution

266
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...
266
Control of Power Flow01:30

Control of Power Flow

290
There are several methods to control power flow in power systems:
290
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

234
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:
234
Electrical Power01:07

Electrical Power

3.1K
Electric power is the product of current and voltage, represented in units of joules per second, or watts. For example, cars often have one or more auxiliary power outlets with which you can charge a cell phone or other electronic devices. These outlets may be rated at 20 amps and 12 volts, so that the circuit can deliver a maximum power of 240 watts. Consider a 25 Watt bulb and a 60 Watt bulb. The conversion of electrical energy produces heat and light, while the kinetic energy lost by the...
3.1K
Distribution Reliability and Automation01:25

Distribution Reliability and Automation

133
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...
133
Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

138
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.
138

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相关实验视频

Updated: Jul 21, 2025

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
06:04

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

507

在智能电网中基于区块链的多权威可撤销数据共享计划.

Xiao-Dong Yang1, Ze-Fan Liao1, Bin Shu2

  • 1College of Computer Science and Engineering, Northwest Normal University, Lanzhou 730070, China.

Mathematical biosciences and engineering : MBE
|July 28, 2023
PubMed
概括
此摘要是机器生成的。

本研究介绍了基于区块链的智能电网安全数据共享方案,提高了加密效率,并使恶意用户撤销. 它增强了数据完整性,并抵御串联攻击,以提高智能电网安全性.

关键词:
基于属性的加密方式.区块链是一个区块链.分享数据的数据共享.混合加密加密的混合加密.智能电网是一个智能电网.

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相关实验视频

Last Updated: Jul 21, 2025

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
06:04

Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator

Published on: February 14, 2025

507
Author Spotlight: Enhancement of Salient Object Detection for Smart Grid Applications
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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
  • 智能电网技术 智能电网技术

背景情况:

  • 目前的智能电网数据共享计划遭受了低效的加密,缺乏恶意用户撤销,以及数据完整性检查不足.
  • 传统的方案容易受到间攻击和与半诚实的第三方服务器的问题.

研究的目的:

  • 为智能电网提出一个基于区块链的多权威可撤销数据共享计划.
  • 通过提高安全性,效率和数据完整性来解决现有计划的局限性.

主要方法:

  • 实现在线/离线和混合加密,以提高数据所有者加密性能.
  • 利用用户二进制树技术用于恶意用户的可追溯性和撤销.
  • 引入多个属性授权权威机构以防止勾结性攻击.
  • 杆区块链用于上传数据验证凭据,以减轻半诚实的服务器问题.

主要成果:

  • 拟议的方案证明了加密性能提高和有效的恶意用户撤销.
  • 安全分析证实了对选择性纯文本和勾结攻击的抵抗力.
  • 性能分析表明,与现有方案相比,计算开销较低,功能优越.

结论:

  • 开发的方案为智能电网中安全共享数据提供了强大而高效的解决方案.
  • 它有效地解决了当前智能电网数据共享实践中的关键安全和性能挑战.