A comprehensive study on stator vibrations in synchronous generators considering both single and combined SAGE cases

W Zhang, YL He, MX Xu, WJ Zheng, K Sun… - International Journal of …, 2022 - Elsevier
This paper presents a comprehensive study on the stator vibration properties in
synchronous generators under varied static air–gap eccentricity (SAGE) conditions. Current …

A novel universal model considering SAGE for MFD-based faulty property analysis under RISC in synchronous generators

YL He, Y Wang, HC Jiang, P Gao… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article proposes a new rotor interturn short circuit (RISC) fault analysis model for the
electromechanical property study in synchronous generators. The specific novelty of this …

Analysis of stator vibration characteristics in synchronous generators considering inclined static air gap eccentricity

YL He, Y Li, W Zhang, MX Xu, YF Bai, XL Wang… - IEEE …, 2022 - ieeexplore.ieee.org
This paper mainly focuses on the impact of inclined static air gap eccentricity (ISAGE) on the
electromagnetic characteristics and mechanical performances (vibration, deformation, strain …

Impact of static air-gap eccentricity on thermal responses of stator winding insulation in synchronous generators

YL He, K Sun, Y Wu, HS Zhao, XL Wang… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
In this article, we present a comprehensive analysis on the thermal response characteristics
of the stator winding insulation under static air-gap eccentricity (SAGE) conditions in …

Electromagnetic Force and Mechanical Response of Turbo‐Generator End Winding under Electromechanical Faults

HC Jiang, YL He, GJ Tang… - Mathematical Problems in …, 2021 - Wiley Online Library
This paper comparatively studies the electromagnetic force and mechanical response of the
end winding before and after 3 kinds of typical electromechanical faults in turbo‐generator …

Effect of static/dynamic air‐gap eccentricity on stator and rotor vibration characteristics in doubly‐fed induction generator

YL He, DR Dai, MX Xu, W Zhang… - IET Electric Power …, 2022 - Wiley Online Library
This article has conducted a comprehensive study on the stator and rotor vibration
characteristics of the doubly‐fed induction generator (DFIG) in the case of radial air gap …

[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 …

[HTML][HTML] Impact of 3D air gap eccentricity on winding insulation temperature characteristic in PMSG

YL He, YF Bai, W Zhang, Y Li, MX Xu, XL Wang… - Alexandria Engineering …, 2024 - Elsevier
The static air gap eccentricity is one of the prevalent faults in permanent magnet
synchronous generators. In previous studies, the variation of magnetic flux density, stator …

[HTML][HTML] Analysis of the characteristics of stator circulating current inside parallel branches in DFIGs considering static and dynamic air-gap eccentricity

YL He, XA Liu, MX Xu, W Zhang, WJ Zheng, DR Dai… - Energies, 2022 - mdpi.com
In this article, the stator winding circulating current inside parallel branches (CCPB) of a
doubly fed induction generator (DFIG) is comprehensively investigated. Different from other …

[HTML][HTML] Impact of static air-gap eccentricity fault on synchronous generator efficiency

YL He, L Tang, K Sun, WH Zhang, XW Wu, HP Wang - Energies, 2023 - mdpi.com
This paper presents a precise analysis of the efficiency characteristic of the synchronous
generator under both normal and SAGE conditions. In this work, various losses of the …