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相关概念视频

Maximum Power Transfer01:16

Maximum Power Transfer

213
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...
213
Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

91
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.
91
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

148
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:
148
Control of Power Flow01:30

Control of Power Flow

246
There are several methods to control power flow in power systems:
246
The Power Flow Problem and Solution01:26

The Power Flow Problem and Solution

148
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...
148
Power Factor Correction01:20

Power Factor Correction

150
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
150

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相关实验视频

Updated: May 24, 2025

Spatial Multiobjective Optimization of Agricultural Conservation Practices using a SWAT Model and an Evolutionary Algorithm
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基于GWO和WOA可变步骤MPPT算法的光伏系统输出功率优化GWO和WOA可变步骤MPPT算法

Abderrahim Zemmit1, Abdelouadoud Loukriz2, Khaled Belhouchet3

  • 1Electrical Engineering Department, Electrical Engineering Laboratory (LGE), University of M'Sila, M'Sila, 28000, Algeria. abderrahim.zemmit@univ-msila.dz.

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

本研究介绍了使用鱼优化算法 (WOA) 和灰狼优化 (GWO) 的新型最大功率点跟踪 (MPPT) 算法,以提高光伏 (PV) 系统的效率. 这些生物启发的方法显著减少波纹和超标,提高整体能源输出.

关键词:
这就是GWO GWO.在MPPTT中,MPPT是MPPT,MPPT是MPPT.优化优化 优化优化可变步骤大小MPPT算法 MPPT算法,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

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科学领域:

  • 可再生能源可再生能源是可再生能源.
  • 电气工程 电气工程
  • 优化算法 优化算法

背景情况:

  • 光伏 (PV) 系统面临着具有非线性特征和低效率的挑战.
  • 先进的最大功率点跟踪 (MPPT) 对于优化光伏发电至关重要.

研究的目的:

  • 提出和评估基于鱼优化算法 (WOA) 和灰狼优化 (GWO) 的创新MPPT算法.
  • 为了提高光伏系统的效率,跟踪精度和稳定性,使用自适应式步骤大小优化和新的健身功能.

主要方法:

  • 开发了两种MPPT算法,使用WOA和GWO,并进行自适应式步骤大小优化.
  • 实施了一种新的健身功能,旨在最大限度地减少波纹和超标,同时提高跟踪准确性.
  • 模拟和现场验证使用来自光伏站的真实数据.

主要成果:

  • 与固定步骤方法相比,拟议的算法实现了大幅减少波纹 (高达99%) 和超越 (高达67%).
  • PO-WOA算法展示了最高的效率 (98.87%的模拟,98.94%的真实数据) 和最小的功耗损失.
  • 实验验证证了基于WOA和GWO的MPPT在动态环境条件下的有效性.

结论:

  • 基于WOA和GWO的MPPT算法为提高光伏系统性能提供了强大而高效的解决方案.
  • 这些生物启发的优化技术显著提高了光伏系统的能量输出和稳定性.
  • 该研究强调了先进算法的潜力,以克服光伏发电的关键挑战.