Generator stator partial discharge pattern recognition based on PRPD-grabcut and DSC-GoogLeNet deep learning

Y Chen, X Peng, H Wang, J Zhou… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Partial discharge (PD) pattern recognition of typical defects from generator stator bars is the
basis of generator condition monitoring and fault diagnosis. A PD pattern recognition …

Multi-feature fusion and damage identification of large generator stator insulation based on lamb wave detection and SVM method

R Li, H Gu, B Hu, Z She - Sensors, 2019 - mdpi.com
Due to the merits of Lamb wave to Structural Health Monitoring (SHM) of composite, the
Lamb wave-based damage detection and identification technology show a potential solution …

Disentangling Contact Location for Stretchable Tactile Sensors from Soft Waveguide Ultrasonic Scatter Signals

Z Li, Y Lin, PB Shull, H Ren - Advanced Intelligent Systems, 2024 - Wiley Online Library
Flexible tactile sensors have the ability to provide unparalleled levels of tactile sensation,
including information regarding roughness, contact force, and contact location. However, it …

[HTML][HTML] A comprehensive study on electromagnetic torque and rotor UMP based on an improved 3D static air-gap eccentricity model

MX Xu, YL He, W Zhang, DR Dai, ZX Fu, R Xue… - Alexandria Engineering …, 2024 - Elsevier
Static air-gap eccentricity (SAGE) is a common fault in generators. Current researches
primarily focus on the parallel SAGE types, while the inclined static air-gap eccentricity …

Lamb wave-based damage localization feature enhancement and extraction method for stator insulation of large generators using VMD and wavelet transform

R Li, J Luo, B Hu - Sensors, 2020 - mdpi.com
Lamb waves are used to locate any damage in the stator insulation structure of large
generators. However, it is difficult to extract the features of Lamb wave signals in a strong …

A Two-phase Lifetime Prediction Model of Generator Stator Main Wall Insulation Driven by Digital Twin

Q Zhang, J Wu, J Wang, X Huang… - IEEE Transactions …, 2024 - ieeexplore.ieee.org
Currently, most existing remaining useful life (RUL) prediction models for generators' main
wall insulation (MI) focus on the statistical life distributions for a large population of products …

Impact of Radial Air-Gap Eccentricity on Stator End Winding Vibration Characteristics in DFIG

MX Xu, YL He, W Zhang, DR Dai, XA Liu, WJ Zheng… - Energies, 2022 - mdpi.com
In this paper, qualitative theoretical derivations, finite element analysis (FEA) and
experiments are used to investigate the electromagnetic force (EF) and vibration …

Partial Discharge Pattern Recognition Based on Morphological Features and Faster R-CNN-AlexNet for Generator Stator

Y Chen, X Peng, H Wang, M Li, P Ling… - … on Dielectrics and …, 2024 - ieeexplore.ieee.org
The partial discharge (PD) of the generator stator has the characteristics of phase-to-phase
coupling and the superposition of multiple PDs. Therefore, the PD of the generator has the …

Generator stator partial discharge pattern recognition method based on BOVF and active learning QBC-Catboost

Y Wang, X Peng, P Ling, T Liu - 2024 IEEE 7th International …, 2024 - ieeexplore.ieee.org
Partial discharge (PD) of generator stator bars is an important basis for generator insulation
diagnosis. The traditional supervised classification model requires a large number of …

Comprehensive Investigation of Winding Mechanical Properties in Generators under RISC: Impact of Position, Degree, and Eccentricity

MX Xu, YL He, W Zhang, DR Dai, ZX Fu… - IEEJ Transactions on …, 2024 - Wiley Online Library
This paper provides an in‐depth study of the winding mechanical properties in generators
under rotor interturn short circuit (RISC) cases. Unlike previous studies, this research …