通过修改的猎优化器来增强随机最佳功率流量,以集成可再生能源
Majid Saeidi1, Taher Niknam2, Mohsen Zare3
1Department of Electrical Engineering, Shiraz University of Technology, Shiraz, Iran.
Scientific reports
|April 24, 2025
概括
一个修改后的猎优化器 (MCO) 算法有效地解决了可再生能源电网中的最佳电力流量和经济调度问题. 它准确计算成本并最大限度地减少损失,在大规模应用中表现优于现有方法.
科学领域:
- 电气工程 电气工程
- 优化算法 优化算法
- 可再生能源系统可再生能源系统
背景情况:
- 最佳功率流 (OPF) 和经济调度对于高效的电网运行至关重要.
- 整合风力轮机 (WTs) 和光伏 (PVs) 等可再生能源 (RES) 引入了成本不确定性.
- 现有的优化方法可能会与使用可再生能源的现代电网的复杂性和规模作斗争.
研究的目的:
- 引入一个修改的猎优化器 (MCO) 算法,用于解决可再生能源集成电网中的OPF问题.
- 准确地建模和考虑WTs和PVs的成本不确定性.
- 评估MCO在各种客观功能和大规模动态经济调度问题的表现.
主要方法:
- 修改后的猎优化器 (MCO) 算法被开发并应用于OPF和经济调度问题.
- 通过将其纳入直接成本计算,解决了可再生能源成本模型中的不确定性.
- 在多个目标函数上测试了MCO,包括运营成本,电压偏差,排放和功率损失.
- 逆向修正被用来增强储备制约的动态经济调度解决方案.
主要成果:
- 对于各种OPF案例,MCO实现了最佳解决方案,包括门点效应 (781.9862美元),排放成本 (810.6655美元) 和POZ (781.7165美元).
- 最小的网络损失记录在2.0738兆瓦,并且有效地减轻了电压偏差.
- 对于大规模的动态经济调度,MCO显著超过了之前的研究,在10个单位系统中获得了1,016,361美元,在30个单位系统中获得了3,048,405美元.
结论:
- MCO算法是解决可再生能源电力系统复杂优化问题的强大而有效的工具.
- 它准确地处理成本不确定性,并提高电网运营的效率.
- 与现有方法相比,MCO表现出优越的性能,特别是在大规模的动态经济调度问题上.
更多相关视频
06:04Experimental Investigation of the Hierarchical Control in DC Microgrids Using a Real-time Simulator
Published on: February 14, 2025
144
10:36Author Spotlight: Optimization of Airflow Velocities in Battery Cooling Systems for Enhanced Thermal Performance and Reduced Energy Consumption
Published on: November 3, 2023
1.4K
相关概念视频
Fast Decoupled and DC Powerflow
128
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:
128
Maximum Power Flow and Line Loadability
87
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.
87
The Power Flow Problem and Solution
135
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...
135
Control of Power Flow
242
There are several methods to control power flow in power systems:
242
Load-frequency control
93
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...
93
Maximum Power Transfer
180
Numerous practical applications within engineering disciplines, such as telecommunications, necessitate optimizing power delivery to a connected load. This pursuit, however, entails inherent internal losses, which can either equal or exceed the power supplied to the load. The Thevenin equivalent circuit is helpful in finding the maximum power a linear circuit can deliver to a load. It is assumed in this context that the load resistance can be adjusted.
By substituting the entire circuit with...
By substituting the entire circuit with...
180
