通过不对称的信息交换改进的海洋捕食者算法的电力系统经济调度应用
Cheng Yang1, Xiaoliang Zheng2, Jiwen Wang1
1State Grid Anhui Electric Power Co., Ltd, Hefei, 230000, PR China.
Heliyon
|September 16, 2024
概括
本研究介绍了一种改进的海洋捕食者算法 (IMPA),以有效地解决电力系统中复杂的经济调度 (ED) 问题. 通过提高搜索多样性和逃避局部最佳值,IMPA显著降低了运营成本,超过了现有的方法.
科学领域:
- 优化算法优化算法
- 电力系统工程 电力系统工程
- 计算智能是一种计算智能.
背景情况:
- 经济调度 (ED) 问题对于降低电力部门的运营成本至关重要.
- ED是一个复杂的,非线性和非凸的优化挑战,需要先进的算法.
- 现有的算法可能会与现代电力系统的规模和复杂性作斗争.
研究的目的:
- 提出一个增强的海洋捕食者算法 (IMPA) 来解决经济运送问题.
- 提高优化算法的效率和有效性,以降低电力系统成本.
- 引入一个不对称的信息交换 (AIE) 机制,以提高搜索性能.
主要方法:
- 开发了改进的海洋捕食者算法 (IMPA),采用了非对称信息交换 (AIE) 机制.
- 在12个基准函数上验证IMPA性能.
- 应用IMPA来解决6,13,40和140个单位的电力系统的经济调度问题.
主要成果:
- 与标准的海洋捕食者算法 (MPA) 和NMPA相比,IMPA表现优越.
- 该算法在大型电力系统中实现了显著降低的最低和平均运营成本.
- IMPA有效地逃脱了局部优化,丰富了搜索多样性,导致了更具竞争力的解决方案.
结论:
- 拟议的IMPA为经济出货问题提供了更具竞争力和更有效的解决方案.
- IMPA增强了海洋捕食者算法的性能,用于大规模的电力系统优化.
- 这种改进的算法为进一步降低电力部门成本提供了有价值的工具.
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
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
Control of Power Flow
255
There are several methods to control power flow in power systems:
255
Power Factor Correction
161
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
161
Predator-Prey Interactions
16.2K
Predators consume prey for energy. Predators that acquire prey and prey that avoid predation both increase their chances of survival and reproduction (i.e., fitness). Routine predator-prey interactions elicit mutual adaptations that improve predator offenses, such as claws, teeth, and speed, as well as prey defenses, including crypsis, aposematism, and mimicry. Thus, predator-prey interactions resemble an evolutionary arms race.
16.2K


