一种改进的元启发式方法,用于在配电网络中的电动停车场进行最佳优化
Fude Duan1, Mahdiyeh Eslami2, Mohammad Khajehzadeh3
1School of Intelligent Transportation, Nanjing Vocational College of Information Technology, Nanjing, 210000, Jiangsu, China.
Scientific reports
|September 2, 2024
概括
这项研究优化了配电网络中的电动停车场 (EPL),以最大限度地降低成本和电压偏差. 改进的消防优化 (IFHO) 方法有效地减少了损失,提高了电网性能,即使电池退化和负载不确定性.
科学领域:
- 电气工程 电气工程
- 优化理论 优化理论
- 电力系统 电力系统
背景情况:
- 智能电动停车场 (EPL) 整合到配电网络中,带来了优化挑战.
- 尽量减少功率损失,电网成本和电压偏差对于高效的电网运行至关重要.
- 电池退化成本 (BDC) 和网络负载不确定性 (NLUn) 是影响EPL优化的重要因素.
研究的目的:
- 为智能电动停车场 (EPL) 开发一个随机的多目标优化框架.
- 为了最大限度地减少每年电力损失,电网购买成本,未供应的能源,车辆到电网的成本和电压偏差.
- 将电池退化成本 (BDC) 和网络负载不确定性 (NLUn) 纳入优化过程.
主要方法:
- 利用无香转换方法 (UTM) 进行准确且计算效率高的网络负载不确定性 (NLUn) 建模.
- 采用了改进的消防优化 (IFHO) 算法,增强了基于泰勒的邻里技术 (TBNT),用于确定最佳的EPL站点和大小.
- 通过三个模拟场景评估了方法,包括对BDC和NLUn的考虑.
主要成果:
- 基于IFHO的多目标优化显著降低了年度损失 (21.06%),电压偏差 (12.15%),未提供能源 (ENS) 成本 (70.82%) 和变电站成本 (39.10%).
- 与没有这些因素的场景相比,将BDC和NLUn纳入导致年损失,电压波动,ENS成本和电网成本增加.
- 通过TBNT增强的IFHO在各种场景中表现出卓越的表现,实现了更好的目标值和更快,更准确的趋同.
结论:
- 拟议的随机多目标优化框架有效优化了EPL在配送网络中的配置和尺寸.
- 考虑BDC和NLUn对于现实的和强大的EPL整合战略至关重要.
- 用TBNT增强的IFHO算法为解决复杂的电力系统优化问题提供了强大的工具.
相关概念视频
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
The Power Flow Problem and Solution
180
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...
180
Distribution Reliability and Automation
107
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
107
Manipulation and Analysis
23
GIS manipulation and analysis functions are vital for decision-making and planning. These activities range from data retrieval tasks, such as selecting information based on specific criteria, to advanced analytical techniques that address complex spatial problems.One critical GIS analysis method is overlaying, which combines multiple data layers to examine impacts. For example, overlaying a river-dammed lake boundary with road networks can identify affected infrastructure. Another common...
23
Root-Locus Method
140
A cruise control system in a car is designed to maintain a specified speed automatically by adjusting the gas pedal. The system continuously measures the vehicle's speed and makes fine adjustments to the pedal to achieve this goal. The root locus method is particularly useful for understanding how the cruise control system's behavior changes under varying conditions, such as when the car goes uphill, downhill, or faces strong wind resistance.
This system can be represented by a block...
This system can be represented by a block...
140
Transformers in Distribution System
99
Transformers in distribution systems can be broadly categorized into distribution substation transformers and other distribution transformers. They are crucial for stepping down high transmission voltages to levels suitable for distribution and end-user applications.
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
Distribution substation transformers come in various ratings and typically use mineral oil for insulation and cooling. To prevent moisture and air from entering the oil, some transformers use an inert gas like nitrogen to fill the...
99


