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Quantitative method of pipeline magnetic leakage internal signal detection on the basis of an improved neural network [PDF]
Scientific ReportsIn response to the problem of poor quantification ability and unclear feature correlation of pipeline defect magnetic flux leakage signals, a neural network is proposed to establish the relationship between the characteristic quantities of pipeline ...
Guoqing Wang +3 more
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Energy Reports, 2023 Leakage flux magnitude and pattern greatly affect transformer short-circuit resistance. In this paper, finite element calculations and experimental measurements is used to calculate the leakage magnetic field of a transformer.
Tiannan Meng +5 more
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Transformer inter‐turn failure detection based on leakage flux and vibration analysis
IET Electric Power Applications, 2021 Inter‐turn winding fault is one of the most critical failures of the transformers. Here, a comprehensive transformer leakage flux analysis under inter‐turn winding fault is presented, and the feasibility and sensitivity of leakage flux‐based fault ...
Salman Hajiaghasi +3 more
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Simulation of Electromagnetic Field of a Powerful Electrical Machine
Известия высших учебных заведений и энергетических объединенний СНГ: Энергетика, 2021 With the aid of mathematical and physical simulation the electromagnetic field distributions in the end zone of a powerful turbogenerator has been obtained. On the basis of the comparison of the axial component of the magnetic induction on the surface of
D. I. Hvalin +2 more
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Applied Sciences, 2020 Linear vibration motors are becoming more popular for use in haptic applications owing to their better performance. However, a permanent magnet with a large volume causes massive magnetic flux leakage, which can be harmful to passengers with a cardiac ...
Zhi-Xiong Jiang +5 more
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IEEE Access, 2023 The performance of Permanent Magnet Synchronous Machines (PMSMs) is significantly influenced by the temperature of the Permanent Magnets (PMs). Therefore, accurate knowledge of PM temperature is necessary for control and monitoring purposes.
Diego F. Laborda +5 more
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IEEE Access, 2019 When the end leakage flux or end leakage inductance cannot be ignored in a permanent magnet (PM) machine (e.g., a PM machine with a short axial length), the analysis of the machine is a time-consuming three-dimensional (3-D) issue.
Xianbao Chen +4 more
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Analysis of the Influence of Ferromagnetic Corrosion Products on Magnetic Flux Leakage Detection of Pipeline [PDF]
Cailiao BaohuMagnetic flux leakage internal detection is an efficient method for detecting defects in long-distance pipelines.However，some corrosion points (such as stray current corrosion) contain a large amount of ferromagnetic corrosion products， which can affect ...
ZHU Xinghui, HU Peng, MENG Xiangji, LYU Tan, GUO Bin, CHEN Jinzhong, ZHOU Demin
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Investigation of and Components of the Magnetic Flux Leakage in Ferromagnetic Laminated Sample
Advances in Materials Science and Engineering, 2013 The magnetic flux leakage (MFL) technique is most commonly used for crack detection from iron bars, laminated sheets, and steel tubes of ferromagnetic nature.
Mustafa Göktepe
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Detection of uniaxial fatigue stress under magnetic flux leakage signals using Morlet wavelet
Fracture and Structural Integrity, 2022 This paper demonstrates the application of continuous wavelet transform technique for magnetic flux leakage signal generated during a uniaxial fatigue test.
S.M. Firdaus +4 more
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