在配电网络中重新配置和分配风能资源的新多目标随机框架,包括改进的花优化器和不确定性优化器
Fude Duan1, Ali Basem2, Dheyaa J Jasim3
1School of Intelligent Transportation, Nanjing Vocational College of Information Technology, Nanjing, 210000, Jiangsu, China.
Scientific reports
|September 6, 2024
概括
这项研究使用一种新的方法优化不平衡的发电网络,提高可靠性和电力质量. 改进的公英优化器有效地平衡多个目标,即使在不确定的条件下.
科学领域:
- 电气工程 电气工程
- 优化技术 优化技术
- 电力系统 电力系统
背景情况:
- 不平衡的配电网络需要提高可靠性和电力质量,以实现持续的电力供应.
- 网络重新配置和风力轮机分配是增强的关键策略.
- 网络负载和风力发电的不确定性带来了重大挑战.
研究的目的:
- 实施与风力轮机分配 (MORWTA) 集成的不平衡配电网络重新配置的多目标优化.
- 在随机框架内考虑网络负载和风力发电的不确定性.
- 为了最大限度地减少功耗损失,电压下降 (VS),总波扭曲 (THD),电压不平衡 (VU),未提供能量 (ENS),系统平均中断频率指数 (SAIFI),系统平均中断持续时间指数 (SAIDI) 和瞬间平均中断频率 (MAIFI).
主要方法:
- 开发了一种具有自适应惯性重量的新型改进的花优化器 (IDO),以确定最佳的网络配置和风力轮机放置.
- 随机问题是使用2m+1点估计方法 (PEM) 与K-平均集群结合而建模的.
- 该方法应用于修改后的33辆公共汽车和不平衡的25辆和37辆公共汽车的配送网络.
主要成果:
- 与基础网络相比,MORWTA方法增强了所有研究目标.
- 与传统算法相比,IDO在解决决定性和随机的MORWTA问题方面表现出卓越的表现.
- 随机建模导致功率损耗增加,VS,THD,VU,ENS,SAIFI,SAIDI和MAIFI,反映了不确定性的影响.
结论:
- 拟议的基于IDO的MORWTA有效地提高了不平衡的配电网络的可靠性和电力质量.
- 随机建模在不确定的条件下提供了对网络性能更现实的评估.
- 这些发现为管理可再生能源整合的电力系统运营商提供了宝贵的见解.
相关概念视频
Maximum Power Flow and Line Loadability
97
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.
97
Fast Decoupled and DC Powerflow
178
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:
178
Distributed Loads: Problem Solving
636
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
636
Maxwell-Boltzmann Distribution: Problem Solving
1.4K
Individual molecules in a gas move in random directions, but a gas containing numerous molecules has a predictable distribution of molecular speeds, which is known as the Maxwell-Boltzmann distribution, f(v).
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
This distribution function f(v) is defined by saying that the expected number N (v1,v2) of particles with speeds between v1 and v2 is given by
1.4K
Multimachine Stability
150
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:
150
Wind Turbine Machine Models
116
In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
Induction machines interact through the rotating magnetic field generated by the stator and the rotor. The key parameter is slip, which is the difference between synchronous speed and rotor speed relative to synchronous speed. Slip is...
116


