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相关概念视频

Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

97
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.
97
Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

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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:
178
Continuous Charge Distributions01:17

Continuous Charge Distributions

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Imagine a bucket of water. It contains many molecules, of the order of 1026 molecules. Thus, although it contains discrete elements (molecules) at the microscopic level, macroscopically, it can be considered continuous. Small volume elements of water, infinitesimal compared to the bulk of the bucket's volume, still contain many molecules. Under this framework, quantized matter is approximated as continuous for practical purposes.
The electric charge can also be subjected to an analogical...
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Distributed Loads: Problem Solving01:21

Distributed Loads: Problem Solving

631
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
631
Energy Stored in a Capacitor: Problem Solving01:26

Energy Stored in a Capacitor: Problem Solving

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In 1749, Benjamin Franklin coined the word battery for a series of capacitors connected to store energy. Capacitors store electric potential energy that can be released over a short time. This property means capacitors have a wide range of applications.
Capacitor-discharge ignition is a type of ignition system commonly found in small engines where the energy released from a capacitor ignites an induction coil that, in turn, fires the spark plug.
To calculate the energy stored in a capacitor of...
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Charging Conductors By Induction01:15

Charging Conductors By Induction

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The Earth is a good conductor of electricity, and it is so big that it can be considered an infinite source or sink of charges. It can easily exchange charges with any matter.
Generally, conductors like metals do not allow any excess charge to be present on them. Any excess charge added to metals easily flows away, for example, when a metal is placed on the Earth. This process is called earthing.
However, conductors can be charged by a process called induction. For example, consider charging a...
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相关实验视频

Updated: Jun 12, 2025

Author Spotlight: Optimization of Airflow Velocities in Battery Cooling Systems for Enhanced Thermal Performance and Reduced Energy Consumption
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使用战争战略优化方法的最佳电动汽车充电调度算法.

Vikramgoud Madaram1, Pabitra Kumar Biswas1, Chiranjit Sain2

  • 1Department of Electrical and Electronics Engineering, National Institute of Technology Mizoram, Aizwal, 796012, India.

Scientific reports
|September 18, 2024
PubMed
概括

一个新的战争战略优化 (WSO) 算法显著降低了电动汽车 (EV) 的充电成本和等待时间. 这种创新方法提高了电动汽车充电管理的效率,特别是在有限的基础设施下.

关键词:
收费安排表 收费安排表电动汽车 电动汽车是什么哈里斯·霍克优化 哈里斯·霍克优化战争战略算法算法

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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
  • 运营研究 运营研究

背景情况:

  • 电动汽车 (EV) 的采用正在迅速增加,需要有效的充电管理系统.
  • 当前的电动汽车充电调度算法在优化成本和等待时间方面面临挑战,特别是在基础设施有限的地区.

研究的目的:

  • 提出一种由军事战略启发的新型充电调度算法.
  • 评估战争战略优化 (WSO) 算法的有效性,以减少电动汽车充电成本和等待时间.

主要方法:

  • 开发了一个基于战争战略优化 (WSO) 原则 (攻击,防御,士兵分配) 的充电调度算法.
  • 在一个具有多个节点,充电站和不同数量的电动汽车和充电堆的模拟地理区域中验证了WSO算法.
  • 使用MATLAB进行实验验证和与现有算法进行比较,例如第一来第一服务 (FCFS),混乱哈里斯客优化 (CHHO) 和哈里斯客优化 (HHO).

主要成果:

  • 与FCFS相比,WSO算法显示出显著的改进,平均充电成本降低了高达13.67%,平均等待时间降低了高达83.25%.
  • 与CHHO和HHO相比,WSO的等待时间分别减少了11.17%和39.09%,收费成本分别减少了3.61%和12.45%.
  • 该算法在充电基础设施有限的场景中尤其有效.

结论:

  • 拟议的WSO算法为电动汽车充电管理提供了卓越的解决方案,提高了效率和成本效益.
  • 由于WSO能够优化电动汽车分配,最大限度地减少等待时间和降低充电成本,这使得它成为现实世界应用的有希望的方法.
  • 这些发现突出了战略启发的算法在解决可持续运输中复杂的优化问题的潜力.