配送网络的弹性规划使用积极的配送网络分区
Hamid Amini Khanavandi1, Majid Gandomkar1, Javad Nikoukar1
1Department of Electrical Engineering, College of Engineering Technology, Saveh Branch, Islamic Azad University, Saveh, Iran.
Heliyon
|September 9, 2024
概括
本研究提出了一种强大的方法,用于将活跃的配电网络分成微电网 (MG). 响应负载显著降低了成本,尽管该方法增加了初始投资,特别是在岛屿运行期间.
科学领域:
- 电气工程 电气工程
- 电力系统工程 电力系统工程
- 优化优化 优化优化
背景情况:
- 现代微电网 (MG) 集成了各种能源,如储能系统 (ESS),风力轮机 (WT) 和光伏 (PV) 系统,以及消费者端的需求响应.
- 主动配电网络 (ADN) 需要高效的分区和规划策略,以整合这些分布式发电 (DG) 并有效地管理能源流.
研究的目的:
- 开发单一级的强大方法,将主动配送网络 (ADN) 分区和规划成多个微电网 (MG).
- 尽量减少分布式生成 (DG) 和交换机的投资成本,同时考虑响应负载活动,生成预测,系统损失和客户风险.
- 为了最大限度地从MGs销售能源到上游电网的收入,在最佳电流 (OPF) 技术约束的情况下.
主要方法:
- 采用单一级强大的优化方法将ADN分割和规划为MGs.
- 使用改进的遗传算法 (GA) 来解决复杂的非线性优化问题.
- 拟议的方法在25个总线ADN和五个交换机上得到了验证.
主要成果:
- 改装后的模型显示了微电网 (MG) 投资成本的增加,特别是在岛屿运行期间.
- 响应负载的积极参与被证明可以显著降低总体成本.
- 模拟结果验证了改进的 MG 规划和运营方法的效率.
结论:
- 拟议的强大方法为微电网 (MG) 在主动配电网络 (ADN) 内的分区和规划提供了有效的框架.
- 虽然初始投资可能会增加,但响应性负载的战略整合提供了巨大的成本节约潜力.
- 该研究强调了微电网开发中的投资成本和运营节约之间的权衡,强调了需求侧管理的作用.
相关概念视频
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
Primary Distribution
99
Primary distribution systems deliver electrical power from substations to consumers through various voltage classes, with 15-kV class voltages being predominant among U.S. utilities. Older 2.5- and 5-kV classes are being replaced by 15-kV primaries, while higher 25- to 34.5-kV classes are used in high-density urban areas and rural regions with long feeders. Three-phase, four-wire multigrounded systems are widely employed for balanced power delivery, using the neutral wire as a grounding point.
99
Secondary Distribution
82
Secondary distribution systems provide electrical energy at the utilization voltage levels from distribution transformers to customer meters. Typical secondary voltages in the United States include 120/240 V for residential use, 208Y/120 V for residential and commercial use, and 480Y/277 V for industrial and high-rise commercial use.
In residential areas, 120/240 V single-phase, three-wire service is commonly used for lighting, outlets, and large appliances. Urban areas with high-density loads...
In residential areas, 120/240 V single-phase, three-wire service is commonly used for lighting, outlets, and large appliances. Urban areas with high-density loads...
82
Reclosers and Fuses
97
Automatic circuit reclosers enhance the protection of distribution circuits by interrupting and auto-reclosing an AC circuit according to a preset sequence. They effectively manage temporary faults on overhead distribution lines, often caused by tree limbs or wildlife, by briefly disrupting service to improve overall reliability. However, contact with reclosers or energized broken conductors on the ground can pose serious hazards.
A comprehensive protection scheme for radial distribution...
A comprehensive protection scheme for radial distribution...
97
Power System Distribution
229
Power system distribution involves delivering electrical energy from power plants to consumers through a network of transmission and distribution systems. The process begins at power plants, where energy from coal, gas, nuclear, water, and wind is converted into electrical energy. These plants use three-phase generators, typically rated between 50 to 1300 MVA, with terminal voltages ranging from a few kV to 20 kV, depending on the size and age of the units.
The transmission system is designed...
The transmission system is designed...
229
Zones of Protection
153
In power systems, the entire setup is divided into protective zones to isolate faults and protect the rest of the network. These zones include generators, transformers, buses, transmission lines, distribution lines, and motors. Each zone can be visualized as a separate room in a house, with each room protected by its own circuit breaker.
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
Protective zones are defined by closed dashed lines, containing one or more components. A key characteristic of these zones is the strategic placement of...
153


