优化级联调节策略,在可再生能源集成电网中实现强大的自动发电控制
Kareem M AboRas1, Mohammed Hassan El-Banna2, Ahmed M El-Wakil2
1Department of Electrical Power and Machines, Faculty of Engineering, Alexandria University, Alexandria, 21544, Egypt. kareem.aboras@alexu.edu.eg.
Scientific reports
|December 27, 2025
概括
本研究引入了一种用于连接电网 (LPN) 的新型级联控制器,以提高电压和频率稳定性. 拟议的FOPI-TIDμ-PIDA控制器,通过差异创意搜索 (DCS) 算法进行优化,显著提高了混合电网的调节性能和稳定性.
科学领域:
- 电气工程 电气工程
- 控制系统工程 控制系统工程
- 可再生能源系统可再生能源系统
背景情况:
- 连接电网 (LPN) 面临着由于非线性动态和负载变化而维持电压和频率稳定的挑战.
- 间歇性可再生能源的高透率使传统的负载频率控制 (LFC) 和自动电压调节 (AVR) 系统变得复杂.
- 现代多区域混合电网需要先进的控制策略,以实现快速,稳健和协调的监管.
研究的目的:
- 开发和评估一个新的级联控制架构为LFC和AVR在三区域混合LPN.
- 为了提高电压和频率调节的短暂响应,稳定性和稳定状态准确性.
- 使用差异创意搜索 (DCS) 算法优化控制器参数.
主要方法:
- 为LFC和AVR设计了一个级联控制框架,集成了FOPI,TIDμ和PIDA监管器.
- 使用差异创意搜索 (DCS) 算法优化了控制器参数.
- 用MATLAB/Simulink进行模拟,结果与基于人工生态系统的优化 (AEO),花优化器 (DO) 和Runge-Kutta优化 (RUN) 算法以及其他高级控制器进行了比较.
主要成果:
- DCS算法实现了0.0507的优异目标函数值,超过了AEO,DO和RUN.
- 拟议的FOPI-TIDμ-PIDA控制器显示了相对于FOPI-PI,TFOIDFF和FOPI-PIDD2控制器的显著改进.
- 控制器实现了降低过度冲动 (<0.12 Hz),更快的沉降时间 (<9.4 秒) 和在参数变化下增强调节 (±25%).
结论:
- 拟议的FOPI-TIDμ-PIDA控制器在稳定性,强度和适应性方面为混合LPN提供了卓越的性能.
- DCS优化算法有效调整控制器参数,以获得最佳性能.
- 开发的控制策略增强了可持续的混合链接电网的稳定性和弹性.
相关概念视频
Control of Power Flow
650
There are several methods to control power flow in power systems:
650
Turbine-Governor Control
897
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...
897
Generator Voltage Control
601
Generator voltage control is crucial for maintaining the stable operation of synchronous generators and wind turbines. In older models, a DC generator driven by the rotor delivers DC power to the rotor's field winding, and the power is transferred through slip rings and brushes. In the latest models, static or brushless exciters are used. Static exciters rectify AC power from the generator terminals and then transfer the DC power directly to the rotor. Brushless exciters, on the other hand, use...
601
Fast Decoupled and DC Powerflow
705
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:
705
Load-frequency control
584
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...
584
The Power Flow Problem and Solution
776
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 power flow program computes...
776

