Results 21 to 30 of about 658,927 (358)

Comparison of Dual-Permanent-Magnet-Excited Machines and Surface-Mounted Permanent Magnet Machines in Terms of Force

open access: yesEnergies, 2019
In this paper, finite element analysis demonstrates the difference between dual-permanent-magnet-excited machines (DPMM) and surface-mounted permanent magnet machines (SPM) in terms of tangential force at the same air gap, diameter, stacking length, and ...
Minh-Trung Duong   +5 more
doaj   +1 more source

An Integral Battery Charger with Power Factor Correction for Electric Scooter [PDF]

open access: yes, 2009
This paper presents an integral battery charger for an electric scooter with high voltage batteries and interior-permanent-magnet motor traction drive.
Armando, Eric Giacomo   +2 more
core   +2 more sources

Characteristic of high frequency Fe-Si-Cr material for motor application by selective laser melting

open access: yesAIP Advances, 2019
In this paper, a soft magnetic composite (SMC) material, FeSiCr, is analyzed for its beneficial electromagnetic properties and unique 3D formation capacity, which endows a very high potential to become the material for electric motor fabrication by 3D ...
Kai-Jyun Jhong   +4 more
doaj   +1 more source

Analysis of Technical and Energy Indicators of a Multi-Motor Electric Drive for Urban Public Transport [PDF]

open access: yesProblems of the Regional Energetics, 2019
The aim of this article was to analyze the profitability of using a multi-motor electric drive instead of a single-motor electric drive in a city vehicle to ensure the reduction of the electrical energy losses.
Voytenko V.A.   +2 more
doaj   +1 more source

Current Research Status and Future Trends of Vibration Energy Harvesters

open access: yesMicromachines
The continuous worsening of the natural surroundings requires accelerating the exploration of green energy technology. Utilising ambient vibration to power electronic equipment constitutes an important measure to address the power crisis. Vibration power
Guohao Qu   +7 more
doaj   +1 more source

Measurement of Ground Resistance at Syowa Station in the Winter of 1970 (Reports of the Japanese Antarctic Research Expedition)

open access: yesAntarctic Record, 1971
The rocket launching facilities were constructed at Syowa Station (69°00'S, 39°36'E), Antarctica, in January 1970. For operating the rocket launching with safety, it is necessary to maintain a good ground even during the winter season.
Masaru AYUKAWA   +2 more
doaj   +1 more source

Simulasi efisiensi motor listrik axial bldc dengan bahan soft magnetik variasi kompaksi dan perlakuan panas menggunakan perangkat lunak ansys maxwell

open access: yesMekanika, 2018
The research was conducted to determine the efficiency of electric motors with soft magnetic composite and laminate by used software Ansys Maxwell. Soft magnetic composite material which was given 4, 5, and 6 tons of compaction pressure from previous ...
Rino Herwangga   +2 more
doaj   +1 more source

Calculating the main characteristics of the traction induction motor for electric transmission of urban electric bus [PDF]

open access: yesAvtomobilʹnyj Transport (Harʹkov), 2018
Problem. Motor vehicles built on the basis of an electric transmission have been gaining popularity recently. The most important factors here are environmental and economic ones.
Arhun Shchasiana
doaj   +1 more source

Summary of electric vehicle dc motor-controller tests [PDF]

open access: yes, 1982
The differences in the performance of dc motors are evaluated when operating with chopper type controllers, and when operating on direct current. The interactions between the motor and the controller which cause these differences are investigated.
Mcbrien, E. F., Tryon, H. B.
core   +2 more sources

A Parametric Modeling Method for the Field-Circuit Coupled  Model of Synchronous Generators

open access: yesJournal of Harbin University of Science and Technology, 2018
In order to solve the problem that the preprocessing of building the fieldcircuit coupled model for analyzing the internal faults of synchronous generators is timeconsuming, a parametric modeling method for the fieldcircuit coupled model is given in ...
LIU Zhi-hui   +4 more
doaj   +1 more source

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