改进负载频率控制器调整,通过鼠群优化和波毒特征检测来提高电力系统稳定性
Pasala Gopi1, N Chinna Alluraiah1, Pujari Harish Kumar2
1Department of Electrical and Electronics Engineering, Annamacharya University, Rajampet, India.
Scientific reports
|July 2, 2024
概括
使用鼠群优化 (RSO) 来调整PID控制器,提高负载频率控制 (LFC) 的稳定性,有效地减轻电力系统中的"porpoising"现象. 这种基于RSO的方法比传统技术提供了更高的性能.
科学领域:
- 电力系统工程 电力系统工程
- 控制理论 控制理论
- 优化算法 优化算法
背景情况:
- 负载频率控制 (LFC) 对于稳定的电力系统运行和一致的电源供应至关重要.
- 这是一个很棒的节目,这是一个很棒的节目.
研究的目的:
- 调查LFC中Porpoising现象的原因.
- 引入使用鼠群优化 (RSO) 的新方法,以提高负载频率控制器的性能和稳定性.
- 调整并检测电源系统控制器中的波毒功能.
主要方法:
- 开发了一种新的方法,使用鼠群优化 (RSO) 来调整比例-整数-导数 (PID) 控制器.
- 在1%的负载需求变化下使用MATLAB.模拟了一个单区域热电站 (TPGS).
- 将基于RSO的PID控制器与火算法 (FFA) 和齐格勒-尼科尔斯 (ZN) 技术进行了比较.
主要成果:
- 基于RSO的PID控制器实现了卓越的性能,包括零频率误差和减少负峰值超越.
- 与FFA和ZN方法相比,证明了更快的结算时间.
- 展示了增强的稳定性和对化现象的抵抗力.
结论:
- 基于RSO的PID控制器为提高电力系统稳定性和LFC性能提供了一个有希望的解决方案.
- 这项研究通过S平面极分析,减压比率和控制行动,提供了对化现象的洞察.
- 未来的工作将探索实时实现和多样化的控制系统应用.
相关概念视频
Load-frequency control
150
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...
150
Multimachine Stability
150
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:
In analyzing the system, the nodal equations represent the relationship between bus voltages, machine voltages, and machine currents. The nodal equation is given by:
150
Frequency-Domain Interpretation of PD Control
104
Proportional-Derivative (PD) controllers are widely used in fan control systems to improve stability and performance. A fan control system can be effectively represented using a Bode plot to illustrate the impact of a PD controller through its transfer function. The Bode plot visually conveys how PD control modifies the fan's response across various frequencies, providing a frequency domain interpretation of the controller's behavior.
The proportional control gain, combined with the...
The proportional control gain, combined with the...
104
Turbine-Governor Control
201
Turbine-governor control is crucial for maintaining power system stability by balancing turbine mechanical power output with electrical load demand. This mechanism ensures that generator frequency and rotor speed are within acceptable limits during load variations. Turbine-generator units store kinetic energy due to their rotating masses; this energy is released to meet the load requirement when the load increases. The electrical torque of turbines rises to meet the demand, whereas the...
201
Control of Power Flow
264
There are several methods to control power flow in power systems:
264
Time and frequency -Domain Interpretation of PI Control
115
Proportional-Integral (PI) controllers are essential in many control systems to improve stability and performance. They are commonly used in everyday devices like thermostats to enhance system damping and reduce steady-state error. When the zero in the controller's transfer function is optimally placed, the system benefits significantly in terms of stability and accuracy.
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
Acting as a low-pass filter, the PI controller slows the system's response and extends settling times. This requires...
115


