在超载网络中,级联失败的关键行为是超载网络中的级联失败
Ignacio A Perez1, Dana Ben Porath2, Cristian E La Rocca1
1Instituto de Investigaciones Físicas de Mar del Plata (IFIMAR)-Departamento de Física, FCEyN, Universidad Nacional de Mar del Plata-CONICET, Deán Funes 3350, (7600) Mar del Plata, Argentina.
Physical review. E
|April 18, 2024
概括
这项研究表明,因过载和链路故障导致的网络故障与相互依赖的网络具有相同的关键指数和普遍性类. 过渡顺序取决于网络嵌入,显示弱嵌入的混合顺序和强嵌入的第一顺序.
科学领域:
- 复杂系统科学 复杂系统科学
- 网络理论 网络理论
- 统计物理学的统计物理.
背景情况:
- 由于过载和级联故障导致的网络突然故障得到了充分的研究.
- 这些相位过渡的临界指数和普遍性类仍然未被充分探索.
研究的目的:
- 调查网络故障的关键指数和普遍性类.
- 分析因空间链路长度的网络中链路故障和过载引发的故障.
主要方法:
- 分析因链路故障和过载引起的网络故障.
- 检查具有空间特征链路长度 (ζ) 的网络.
- 将关键行为与相互依赖的网络进行比较.
主要成果:
- 突如其来的网络转换表现出类似于相互依赖的网络的特征和关键指数.
- 弱嵌入式系统 (ζ ≈ L) 显示混合顺序的过渡与一个关键平原.
- 强烈嵌入式系统 (ζ ≪ L) 显示了涉及核和生长的第一阶段过渡.
结论:
- 由于过载和链路故障导致的网络故障属于与相互依存网络相同的普遍性类.
- 过渡的顺序取决于网络嵌入的程度.
- 空间特征显著影响网络相位转换的性质.
相关概念视频
Cascaded Op Amps
630
Operational amplifiers (op-amps) are versatile electronic components that can be interconnected in a cascade - one after another in a linear sequence. This cascading is possible due to their infinite input resistance and zero output resistance, allowing them to maintain their input-output relationships even when connected in series.
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
In a cascaded system, each op-amp is referred to as a stage. The output of one stage drives the input of the subsequent stage. As the input signal passes through...
630
Reclosers and Fuses
102
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...
102
Network Function of a Circuit
286
Frequency response analysis in electrical circuits provides vital insights into a circuit's behavior as the frequency of the input signal changes. The transfer function, a mathematical tool, is instrumental in understanding this behavior. It defines the relationship between phasor output and input and comes in four types: voltage gain, current gain, transfer impedance, and transfer admittance. The critical components of the transfer function are the poles and zeros.
286
Multimachine Stability
151
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:
151
Cable Subjected to a Distributed Load
682
The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.
682
Bus Impedance Matrix
119
Calculating subtransient fault currents for three-phase faults in an N-bus power system involves using the positive-sequence network. When a three-phase short circuit occurs at a specific bus, the analysis uses the superposition method to evaluate two separate circuits.
In the first circuit, all machine voltage sources are short-circuited, leaving only the prefault voltage source at the fault location. The positive-sequence bus impedance matrix can be determined by solving the nodal equations,...
In the first circuit, all machine voltage sources are short-circuited, leaving only the prefault voltage source at the fault location. The positive-sequence bus impedance matrix can be determined by solving the nodal equations,...
119


