基于PSOA的TPSS故障定位算法的研究
1Shanghai Institute of Technology, School of Railway Transportion, Shanghai, China.
PeerJ. Computer science
|June 22, 2023
概括
本研究介绍了城市轨道交通中引电源系统 (TPSS) 的故障定位算法. 开发的方法优化了放电电流控制,减少了网络损耗,并提高了电源质量,以实现更安全的运行.
科学领域:
- 电气工程 电气工程
- 运输系统 运输系统
- 控制系统 控制系统
背景情况:
- 城市铁路运输的安全运行在很大程度上依赖于有效的引电源系统 (TPSS) 保护技术.
- TPSS组件包括轨道,返回电缆和潜在的限制装置,所有这些都容易发生故障.
- 了解TPSS的动态特征对于开发强大的保护策略至关重要.
研究的目的:
- 为城市铁路运输中TPSS开发先进的故障定位算法.
- 通过加强TPSS保护,提高城市铁路运输运营的安全性和效率.
- 为监测和管理TPSS性能提供可靠的方法.
主要方法:
- 基于粒子群优化算法 (PSOA) 的故障定位算法被开发出来,考虑了TPSS的动态特征.
- 多点监测数据的评估,使用模糊处理的极化潜力前偏差和多属性决策.
- 根据流浪电流分布规律确定监测点和值.
主要成果:
- 拟议的TPSS故障定位算法 (TPSSOA) 实现了最佳的放电电流控制.
- 观察到网络损失的显著减少和电力质量的改善.
- 现场测量数据验证了开发的方法的高可用性和有效性.
结论:
- 开发的故障定位算法为城市铁路运输中TPSS保护提供了实用和有效的解决方案.
- 该方法为未来的TPSS设计和实施提供了有价值的指导.
- 优化放电电流控制和提高电源质量有助于更安全,更高效的铁路运营.
相关概念视频
01:26The Power Flow Problem and Solution
267
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...
267
01:21Distributed Loads: Problem Solving
680
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...
680
01:30Control of Power Flow
292
There are several methods to control power flow in power systems:
292
01:24Fast Decoupled and DC Powerflow
241
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:
241
01:25Multimachine Stability
198
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:
198
01:19Root-Locus Method
183
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...
183