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Updated: Jun 27, 2025

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本地分布式节点供电质量事件检测基于多合算法

Domenico Luca Carní1, Francesco Lamonaca1

  • 1Department of Computer Engineering, Modeling, Electronics and Systems, University of Calabria, 87046 Rende, Italy.

Sensors (Basel, Switzerland)
|April 27, 2024
PubMed
概括

一个新的,具有成本效益的自动电力质量事件分类器 (APQEC) 使用分布式节点进行检测和细分,仅向中央单位发送相关数据进行分类,降低基础设施成本并改善电网维护.

关键词:
分布式监控系统分布式监控系统测量过程中的测量.监控系统监控系统的监控系统电力质量 电力质量 电力质量动力信号事件是指动力信号事件.形信号变化检测检测

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Multimachine Stability01:25

Multimachine Stability

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:
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Three-Phase Short Circuit—Unloaded Synchronous Machine01:21

Three-Phase Short Circuit—Unloaded Synchronous Machine

Conducting a three-phase short circuit test on an unloaded synchronous machine helps understand its impact on the system. The AC fault current's oscillogram, with the DC offset removed, reveals that the waveform amplitude decreases from an initially high value to a steady-state level for one phase of the machine.
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Fast Decoupled and DC Powerflow01:24

Fast Decoupled and DC Powerflow

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:
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Power in a Three-Phase Circuit

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Simplified Synchronous Machine Model01:30

Simplified Synchronous Machine Model

The Synchronous Machine Model is a fundamental tool in analyzing and ensuring the transient stability of power systems. This model simplifies the representation of a synchronous machine under balanced three-phase positive-sequence conditions, assuming constant excitation and ignoring losses and saturation. The model is pivotal for understanding the behavior of synchronous generators connected to a power grid, particularly during transient events.
In this model, each generator is connected to a...
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