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相关概念视频

Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

94
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.
94
The Power Flow Problem and Solution01:26

The Power Flow Problem and Solution

163
Power flow problem analysis is fundamental for determining real and reactive power flows in network components, such as transmission lines, transformers, and loads. The power system's single-line diagram provides data on the bus, transmission line, and transformer. Each bus k in the system is characterized by four key variables: voltage magnitude Vk​, phase angle δk​, real power Pk​, and reactive power Qk​. Two of these four variables are inputs, while the...
163
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

167
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:
167
Secondary Distribution01:25

Secondary Distribution

80
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...
80
Distribution Reliability and Automation01:25

Distribution Reliability and Automation

105
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...
105
Multimachine Stability01:25

Multimachine Stability

140
Multimachine stability analysis is crucial for understanding the dynamics and stability of power systems with multiple synchronous machines. The objective is to solve the swing equations for a network of M machines connected to an N-bus power system.
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
140

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相关实验视频

Updated: Jun 3, 2025

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

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Published on: February 14, 2025

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两阶段的多目标框架,以实现现代配电网络的最佳运行,同时考虑需求响应计划.

Mohamed R Elshenawy1, Abdalla Mohamed2, A A Ali2

  • 1Electrical Power and Machines Engineering Department, Faculty of Engineering, Helwan University, Cairo, Egypt. muhamedelshenawy@h-eng.helwan.edu.eg.

Scientific reports
|January 6, 2025
PubMed
概括
此摘要是机器生成的。

本研究介绍了一种先进的能源管理框架,用于需求响应计划 (DRP) 的个人激励率. 这种方法显著减少了能源损失,发电成本和配电网络的排放.

关键词:
需求响应程序 (DRP) 是一个需求响应程序.分布网络运营商 (DNO)优化大象群养 (EHO) 的方法能源管理 (EM) 能源管理激励利率是一种激励利率.通过与理想解决方案相似的优先顺序的技术 (TOPSIS)

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Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
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科学领域:

  • 电气工程 电气工程
  • 可再生能源系统可再生能源系统
  • 智能电网是一种智能电网.

背景情况:

  • 电网可靠性不足加剧了能源危机和环境问题.
  • 先进的能源管理系统对于提高电网可靠性和效率至关重要.
  • 需求侧管理,特别是需求响应计划 (DRP),提供了重要的技术和经济效益.

研究的目的:

  • 提出一个新的两阶段框架,以多种发电资源的分布网络为多目标运行.
  • 通过优化需求响应计划 (DRP) 以个人消费者激励来提高电网可靠性和效率.
  • 为了解决能源损失,电压偏差,运营成本和排放,同时最大限度地提高电压稳定性.

主要方法:

  • 一个两阶段的框架,将DRP与优化的个人激励率和最佳的权力共享整合在一起.
  • 制定一个考虑能源损失,电压偏差,成本,排放和稳定性的多目标优化问题.
  • 采用以理想解决方案 (TOPSIS) 和大象群群优化 (EHO) 技术相似的优先顺序技术.

主要成果:

  • 提出的个人激励率DRP的框架优于普通激励率DRP.
  • 实现了总能量损失减少38.13%.
  • 总发电成本降低了9.468%,排放量减少了5.9%.

结论:

  • 个人激励率 (DPR) 是分布网络的优越需求侧管理策略.
  • 拟议的框架有效优化了多目标运营,提高了电网性能和可持续性.
  • 这项研究为提高电网可靠性和减轻能源危机影响提供了可行的解决方案.