混合式双区域电网频率波动的有效控制,使用基于MOA的1+PIID和PDμFλ控制器的初次组合
Kareem M AboRas1, Ahmed Ma Sedik1, Muhammad R Hammad1
1Department of Electrical Power and Machines, Faculty of Engineering, Alexandria University, Alexandria, Egypt.
Science progress
|March 28, 2025
概括
一个新的混合控制器,1+PIID-PDμFλ,通过母优化算法进行优化,显著减少可再生能源电网的频率偏差. 这种先进的负载频率控制方法提高了电网对干扰的稳定性.
科学领域:
- 电气工程 电气工程
- 控制系统 控制系统
- 整合可再生能源的整合
背景情况:
- 电网由于惯性下降和可再生能源透率增加而面临不稳定.
- 负载和发电波动显著影响电网频率行为.
- 现有的负载频率控制 (LFC) 机制难以应对现代电网带来的动态挑战.
研究的目的:
- 为双区域电力系统提出一种新的最佳负载频率控制 (LFC) 方法.
- 为了设计一个混合控制器,1+PIID-PDμFλ (一个加上比例积分双整导数和一个比例分数导数与分数过器),用于增强频率调节.
- 为了优化控制器的收益,使用母优化算法 (MOA).
主要方法:
- 为LFC设计了一种新的1+PIID-PDμFλ混合控制器.
- 控制器参数的优化使用母优化算法 (MOA),一个基于人口的元启发.
- 使用 MATLAB/SIMULINK 模拟,对拟控制器与现有方法 (TIDF-PIDμD,FOPI-PIDA,PID-TID) 的比较分析.
- 在各种干扰场景下进行测试:负载波动,太阳辐射变化和参数变化.
主要成果:
- 与现有控制器相比,基于MOA的1+PIID-PDμFλ控制器在减少频率超标,不足和沉降时间方面表现出卓越的性能.
- 实现了频率偏差的显著降低:94.66%的超标,94.66%的不足,在第1区的78.57%的结算时间.
- 对于2区的频率偏差和系统区域之间的功率交换偏差,也观察到类似的改善.
结论:
- 拟议的基于MOA的1+PIID-PDμFλ控制器有效地提高了带有混合能源的双区域电力系统的动态稳定性.
- 先进的控制器设计和优化技术为减轻干扰引起的频率波动提供了强大的解决方案.
- 这种方法提供了一个有前途的方法来提高电网的可靠性和弹性,整合可再生能源.
相关概念视频
PD Controller: Design
762
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,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
762
Time-Domain Interpretation of PD Control
501
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
Consider the example of control of motor torque. Initially, a positive...
501
Frequency-Domain Interpretation of PD Control
447
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...
447
Time and frequency -Domain Interpretation of PI Control
504
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...
504
PID Controller
1.1K
Proportional-Integral-Derivative (PID) controllers are widely used in various control systems to enhance stability and performance. In a thermostat, it adjusts heating or cooling based on the temperature difference between the actual and desired levels. They are often used in automotive speed systems, effectively managing sudden speed changes while maintaining a constant speed under varying conditions. On the other hand, PI controllers, commonly employed in voltage regulation, enhance stability...
1.1K
Load-frequency control
895
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...
895


