相关实验视频

Updated: May 10, 2025

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
06:45

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Published on: October 28, 2022

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基于深度学习的故障诊断通过多传感器识别数据用于风力轮发电机的初始间转短路 (ITSC)

Qinglong Wang1,2, Shihao Cui1,2, Entuo Li1,2

  • 1Department of Mechanical Engineering, North China Electric Power University, Baoding 071003, China.

Sensors (Basel, Switzerland)
|April 26, 2025
PubMed
概括

早期发现风力轮发电机故障至关重要. 这项研究引入了使用电流,振动和磁流传感器的深度学习框架,在识别间转短路 (ITSC) 故障方面达到99.25%的准确性.

关键词:
深度学习是一种深度学习.错误诊断 错误诊断 错误诊断 是一个问题.互转短路 (ITSC) 故障发生时发生的故障风力轮机 (WT) 的风力轮机

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Power System Three-Phase Short Circuits01:21

Power System Three-Phase Short Circuits

Determining the subtransient fault current in a power system involves representing transformers by their leakage reactances, transmission lines by their equivalent series reactances, and synchronous machines as constant voltage sources behind their subtransient reactances. In this analysis, certain elements are excluded, such as winding resistances, series resistances, shunt admittances, delta-Y phase shifts, armature resistance, saturation, saliency, non-rotating impedance loads, and small...
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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.
This behavior occurs due to the magnetic flux produced by the short-circuit armature currents. Initially, these currents follow high-reluctance paths but eventually shift to...
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Wind Turbine Machine Models01:24

Wind Turbine Machine Models

In the growing field of wind energy, incorporating wind turbine models into transient stability analysis is essential. Induction and synchronous machines are the primary models used, with induction machines being prevalent due to their simplicity and reliability.
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Generator Voltage Control01:21

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Three identical single-phase transformers can be configured to form a three-phase transformer connection, which involves high-voltage and low-voltage windings. The high-voltage windings are denoted by capital letters A-B-C, while the low-voltage windings are labeled with lowercase letters a-b-c, representing their respective phases. This notation helps distinguish between the high and low voltage sides of the transformer.
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