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A Variational Mode Decomposition Approach for Degradation Assessment of Power Transformer Windings
IEEE Transactions on Instrumentation and Measurement, 2019Windings are the most critical components in power transformers, and the related mechanical degradation assessment has attracted an increasing attention in recent years.
K. Hong, Ling Wang, Suan Xu
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General Analytical Model for the Thermal Resistance of Windings Made of Solid or Litz Wire
IEEE transactions on power electronics, 2019In this paper, an analytical method to model the thermal resistance of windings made either of solid or litz wire is presented and validated by measurements.
M. Jaritz, A. Hillers, J. Biela
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Performance Investigation of a Brushless Synchronous Machine With Additional Harmonic Field Windings
IEEE Transactions on Industrial Electronics, 2016Fei Yao, Qun-Tao An
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A Dynamic Multilayer Winding Thermal Model for Electrical Machines With Concentrated Windings
IEEE transactions on industrial electronics (1982. Print), 2019This paper presents a dynamic multilayer winding lumped-parameter thermal model dedicated to electrical machines with concentrated windings. The winding is layered into a series of circular rings by a novel layer strategy according to the winding ...
Xinggang Fan, Dawei Li, R. Qu, Cong Wang
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Analytical Approach to Design Hairpin Windings in High Performance Electric Vehicle Motors
European Conference on Cognitive Ergonomics, 2018This work deals with the analysis and design of a hairpin winding. Such a winding type is more and more used in traction motor of electric and hybrid electric vehicle.
N. Bianchi, G. Berardi
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Process Reliable Laser Welding of Hairpin Windings for Automotive Traction Drives
2019 International Conference on Engineering, Science, and Industrial Applications (ICESI), 2019Driven by current developments in the electrification of the automotive drive chain, new technologies for the production of windings for electric drives are focused in automotive industry and research institutes.
Tobias Glaessel +6 more
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New Zealand Geographer, 1961
Nous sommes passés, en trente amiées ponctuées de catastrophes, d'un type d'organisation du monde à un autre type que définit surtout la primauté géographique absolue des États et des frontières.—M.
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Nous sommes passés, en trente amiées ponctuées de catastrophes, d'un type d'organisation du monde à un autre type que définit surtout la primauté géographique absolue des États et des frontières.—M.
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Modeling and Verification of Electrical Stress in Inverter-Driven Electric Machine Windings
European Conference on Cognitive Ergonomics, 2018This paper develops detailed models for predicting the voltage and current distributions in individual conductors of electric machine windings driven by pulse width modulation (PWM) inverter drives.
Yanyan Xie +5 more
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IEEE Transactions on Power Delivery, 2018
Frequency response analysis (FRA) is an effective approach for detecting mechanical damage in the windings of a transformer. However, the application of FRA to estimate the winding condition of autotransformers (ATs) employed in the China High-Speed ...
Junfei Jiang +4 more
semanticscholar +1 more source
Frequency response analysis (FRA) is an effective approach for detecting mechanical damage in the windings of a transformer. However, the application of FRA to estimate the winding condition of autotransformers (ATs) employed in the China High-Speed ...
Junfei Jiang +4 more
semanticscholar +1 more source