Results 291 to 300 of about 193,173 (339)

Analytical Approach to Design Hairpin Windings in High Performance Electric Vehicle Motors

European Conference on Cognitive Ergonomics, 2018
This 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
semanticscholar   +1 more source

Wind Erosion

2011
No abstract.
Gromke, C.B., Burri, K.
openaire   +1 more source

A Dynamic Multilayer Winding Thermal Model for Electrical Machines With Concentrated Windings

IEEE transactions on industrial electronics (1982. Print), 2019
This 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
semanticscholar   +1 more source

Process Reliable Laser Welding of Hairpin Windings for Automotive Traction Drives

2019 International Conference on Engineering, Science, and Industrial Applications (ICESI), 2019
Driven 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, J. Seefried, M. Masuch, A. Riedel, A. Mayr, A. Kuehl, J. Franke   +6 more
semanticscholar   +1 more source

WEST WIND, EAST WIND*

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.
openaire   +1 more source

Analysis and Implementation of New Ironless Stator Axial-Flux Permanent Magnet Machine With Concentrated Nonoverlapping Windings

IEEE transactions on energy conversion, 2018
This paper presents the integrated design and analysis of a new axial-flux permanent magnet (AFPM) machine, which consists of an ironless stator with double-layer concentrated nonoverlapping windings and twin external rotors with Halbach-array PMs.
Weiwei Geng, Zhuoran Zhang
semanticscholar   +1 more source

Modeling and Verification of Electrical Stress in Inverter-Driven Electric Machine Windings

European Conference on Cognitive Ergonomics, 2018
This 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, Julia Zhang, F. Leonardi, A. R. Munoz, F. Liang, M. Degner   +5 more
semanticscholar   +1 more source

Frequency Response Features of Axial Displacement Winding Faults in Autotransformers With Split Windings

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, Lijun Zhou, Shibin Gao, Wei Li, Dongyang Wang   +4 more
semanticscholar   +1 more source

Cooling of Windings in Electric Machines via 3D Printed Heat Exchanger

European Conference on Cognitive Ergonomics, 2018
This paper presents a novel use of 3D printed heat exchangers for advanced thermal management of electric machines. Thermal and computational fluid dynamics models are used to quantify the effectiveness of the 3D printed, Direct Winding Heat eXchangers ...
W. Sixel, Mingda Liu, G. Nellis, B. Sarlioglu   +3 more
semanticscholar   +1 more source

Locating Inter-Turn Faults in Transformer Windings Using Isometric Feature Mapping of Frequency Response Traces

IEEE Transactions on Industrial Informatics, 2021
Arash Moradzadeh, K. Pourhossein, B. Mohammadi-ivatloo, F. Mohammadi   +3 more
semanticscholar   +1 more source