多目的电动汽车的不确定性管理 综合最佳功率流量基于可再生能源电力系统的可再生热水调度,以实现环境可持续性
Susanta Dutta1, Siddhartha Ghosh1, Tushnik Sarkar1
1Department of Electrical Engineering, Dr. B. C. Roy Engineering College, Durgapur, India.
Scientific reports
|August 8, 2025
概括
这项研究引入了一种新的优化方法,QOSCA,用于电力系统. 它有效地降低了成本,排放和功率损失,同时在整合可再生能源时提高了电压稳定性.
科学领域:
- 电气工程 电气工程
- 优化理论 优化理论
- 可再生能源系统可再生能源系统
背景情况:
- 电力系统在经济调度和最佳电力流量方面面临挑战,特别是随着可再生能源集成的增加.
- 现有的优化方法可能难以平衡全球解决方案的勘探和开发.
研究的目的:
- 为了确定合并热能经济调度问题的最佳功率流量.
- 整合可再生能源 (风能-太阳能-电能) 以降低成本,排放,主动功率损失,总电压偏差,并提高电压稳定性.
- 评估一个新的优化算法,以评估它的有效性和稳定性.
主要方法:
- 拟议的准对立的正弦-正弦算法 (QOSCA) 是通过将准对立的基于学习嵌入到正弦-正弦算法来开发的.
- QOSCA适用于IEEE 57总线和IEEE 118总线电源网络,用于单个和多个目标的优化.
- 统计分析,包括ANOVA测试和盒子图,用于评估QOSCA方法的稳定性.
主要成果:
- 风能-太阳能-电动汽车与QOSCA的整合将发电成本降低21%,排放量降低17.5%,活动功率损失高达2.59%.
- 使用QOSCA的多目标优化导致总电压偏差减少0.37%,电压稳定性指数减少0.24%.
- 与传统的优化技术相比,QOSCA方法在计算效率上有24%的改进.
结论:
- QOSCA算法是解决热电经济调度和最佳功率流的问题的一种强大而有效的方法.
- 将可再生能源与拟议方法相结合,可显著提高电力系统的性能和稳定性.
- 对于复杂的电力系统优化,QOSCA提供了一种卓越的方法,通过更高的计算速度实现更好的结果.
关键词:
这是一个ANOVA,一个ANOVA.综合热电经济调度 (CHPED) 是一个电动汽车 (EV) 是一种电动汽车.水力发电 (HP) 是一种水力发电.这是IEEE-57总线.最佳功率下一个 (OPF)准对立的正弦共弦算法 (QOSCA)可再生能源 (RES) 是一种可再生能源.太阳能发电 (SP) 太阳能发电 (SP) 是一个风力发电 (WP) 风力发电 (WP) 是一种风力发电.更多相关视频
相关概念视频
01:23Maximum Power Flow and Line Loadability
180
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.
180
01:26The Power Flow Problem and Solution
340
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...
340
01:24Fast Decoupled and DC Powerflow
286
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:
286
01:25Multimachine Stability
229
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:
229
01:30Control of Power Flow
316
There are several methods to control power flow in power systems:
316
01:28Load-frequency control
257
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...
257