基于可再生能源的随机电力系统的多区域负载频率调节,中小企业使用增强的WOA调的PID控制器
Peter Anuoluwapo Gbadega1, Yanxia Sun1
1Department of Electrical and Electronic Engineering Science, University of Johannesburg, Johannesburg, 2006, South Africa.
Heliyon
|September 25, 2023
概括
增强的鱼优化算法 (EWOA) 通过优化 PID 控制器来改善可再生能源系统中的自动负载频率控制. 这种新的方法克服了传统方法的局限性,提高了系统的稳定性和性能.
科学领域:
- 电气工程 电气工程
- 控制系统 控制系统
- 优化算法 优化算法
背景情况:
- 由于可再生能源的整合和物理限制,电力系统在保持频率稳定方面面临着挑战.
- 像鱼优化算法 (WOA) 这样的传统优化算法在融合速度,准确性和避免局部优化方面存在局限性.
研究的目的:
- 引入增强的鱼优化算法 (EWOA),用于优化多区域自动负载频率控制 (LFC) 中的PID控制器.
- 解决传统WOA在解决基于可再生能源的随机电力系统的LFC问题的局限性.
主要方法:
- 开发了一种新的以自然为灵感的元启发式算法,EWOA,模仿驼背的行为.
- 应用了EWOA来优化PID控制器参数,用于可再生能源和超导磁储能 (SMES) 的电力系统中的多区域LFC.
- 研究了物理约束 (时间延迟,GRC,RT,DB) 和系统参数 (B,R) 对动态性能的影响.
主要成果:
- 与传统的WOA相比,EWOA在动态负载频率控制方面表现优越.
- 拟议的控制器在不同的系统条件,参数变化和负载扰动下显示出增强的稳定性和稳定性.
- 中小企业单位的整合对系统性能产生了积极的影响.
结论:
- EWOA是一种有效和强大的优化技术,用于复杂的电力系统中的LFC问题.
- 拟议的基于EWOA的PID控制器在动态性能和稳定性方面比传统方法显著改进.
- 该研究强调了考虑物理约束和系统参数对于可靠的电力系统运行的重要性.
更多相关视频
08:35Interactive and Visualized Online Experimentation System for Engineering Education and Research
Published on: November 24, 2021
2.5K
10:36Author Spotlight: Optimization of Airflow Velocities in Battery Cooling Systems for Enhanced Thermal Performance and Reduced Energy Consumption
Published on: November 3, 2023
1.6K
相关概念视频
Load-frequency control
181
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...
181
PID Controller
136
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...
136
Turbine-Governor Control
253
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...
253
Control of Power Flow
283
There are several methods to control power flow in power systems:
283
Time-Domain Interpretation of PD Control
136
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...
136
Frequency-Domain Interpretation of PD Control
130
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...
130
