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相关概念视频

Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

81
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.
81
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

120
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:
120
Power System Distribution01:25

Power System Distribution

212
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...
212
Maximum Power Transfer01:16

Maximum Power Transfer

179
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
179
The Power Flow Problem and Solution01:26

The Power Flow Problem and Solution

124
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...
124
Control of Power Flow01:30

Control of Power Flow

237
There are several methods to control power flow in power systems:
237

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Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
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在实时配电系统中使用乌搜索算法进行最佳的电力调度,以提高微电网性能.

Ganesh Selvaraj1, Kanimozhi Rajangam2, Pradeep Vishnuram3

  • 1Department of Electrical and Electronics Engineering, Grace College of Engineering, Thoothukudi, 628005, Tamil Nadu, India.

Scientific reports
|December 28, 2024
PubMed
概括

本研究介绍了一个乌搜索算法,用于印度最佳的微电网电力调度,显著降低成本并改善电压调节,以提供可靠的电力供应.

关键词:
群众搜索算法 群众搜索算法分布式发电是一种分布式发电.这是ETAP模拟.负载调度 负载调度微电网就是一个微电网.电力管理 电力管理总运营成本 总运营成本电压调节 电压调节

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科学领域:

  • 电气工程 电气工程
  • 电力系统 电力系统
  • 整合可再生能源的整合

背景情况:

  • 微电网 (MG) 提供了更高的可靠性和效率,但在电压调节和电源连续性方面面临着挑战,特别是在像印度这样的地区.
  • 低压客户经常遇到供电中断和电压调节不良情况,需要先进的管理策略.

研究的目的:

  • 开发和实施微电网的最佳电力调度方法,以确保不间断的电力供应,并改进电压调节 (VR).
  • 在不同的操作条件和分布式生成 (DG) 配置下,尽量减少总运营成本 (TOC) 并最大限度地实现VR.

主要方法:

  • 开发了一种新的乌搜索算法 (CSA),用于微电网中的有效负载调度.
  • 拟议的方法是在印度泰米尔纳德州的一项案例研究中使用电气短暂分析程序 (ETAP) 建模和模拟的.
  • 该方法在连接到电网,岛屿和GD中断场景下进行了评估.

主要成果:

  • 在所有测试场景中,CSA显著优化了负载调度,从而减少了功耗损失和改善了电压配置.
  • 与其他模式相比,使用CSA的岛屿模式运行显示了TOC的显著减少和最大化的VR.
  • 该算法在增强微电网电力管理和电压稳定方面被证明是有效的.

结论:

  • 乌搜索算法为微电网电力调度提供了有效的元启发式解决方案,最大限度地降低成本并增强电压调节.
  • 该研究成功地实施和验证了CSA用于实时发电系统,显示了其更广泛应用的潜力.
  • 调查结果强调了CSA能够解决微电网中的关键电力供应挑战的能力,特别是在发展中国家.