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相关概念视频

Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

139
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:
139
Load-frequency control01:28

Load-frequency control

97
Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...
97
Control of Power Flow01:30

Control of Power Flow

246
There are several methods to control power flow in power systems:
246
PD Controller: Design01:26

PD Controller: Design

154
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
154
Maximum Power Flow and Line Loadability01:23

Maximum Power Flow and Line Loadability

90
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.
90
Multimachine Stability01:25

Multimachine Stability

115
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:
115

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Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
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一个基于被动性的非线性控制器,用于具有恒定功率负载的混合直流微电网.

P V Nithara1, R Anand2,3, J Ramprabhakar1

  • 1Department of Electrical and Electronics Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Bengaluru, India.

Scientific reports
|May 15, 2025
PubMed
概括

本研究引入了基于被动性的强大的控制 (PBC) 混合直流微电网与恒定功率负载 (CPLs). 新的PBC方法在不确定的条件下提高了电压稳定性和系统可靠性.

关键词:
基于布雷顿-莫泽被动性的控制器.恒定的功率负载是恒定的.电流直流微电网 (DC Microgrid) 是一个微电网.非线性控制器的非线性控制器两个层次的IBC.

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科学领域:

  • 电气工程 电气工程
  • 控制系统 控制系统
  • 可再生能源系统可再生能源系统

背景情况:

  • 混合直流微电网面临着由于供需不确定性的电压稳定性挑战.
  • 恒定功率负载 (CPL) 加剧了直流微电网的不稳定性问题.
  • 传统的线性控制器不足以管理这些动态不确定性.

研究的目的:

  • 开发一个强大的基于被动性的控制 (PBC) 方案,用于对供电CPL的混合直流微电网进行大信号稳定.
  • 解决电压波动,提高可再生能源和负载的动态性能.
  • 为复杂的直流微电网系统提供可靠和简单的控制解决方案.

主要方法:

  • 建议采用一种基于被动性控制 (PBC) 的策略.
  • 稳定性分析是使用单个子系统的被动性属性进行的.
  • 考虑了带有CPL的混合直流微电网的动态行为.

主要成果:

  • 拟议的PBC实现了CPLs的混合直流微电网中的输出电压的大信号稳定.
  • 控制器表现出对供需不确定性的坚.
  • MATLAB模拟和实验结果验证了PBC方法的有效性.

结论:

  • 与现有的非线性控制器相比,开发的基于被动性的控制 (PBC) 提供了更高的准确性,可靠性和简单性.
  • 该控制器为带有CPL的混合直流微电网提供了更强大的响应.
  • 该研究验证了拟议的PBC用于提高复杂的直流微电网应用中的电压稳定性.