Results 1 to 10 of about 66,476 (191)

Comparison of AC Losses in the Winding of Electrical Machines with Fixed Strands Positions, Fixed Conductor Shapes and Random Winding

open access: yesEnergies, 2022
In high performance electric machines, the increase of fundamental frequency leads to additional losses in the winding due to parasitic effects such as the associated skin and proximity effects.
Anuvav Bardalai   +5 more
doaj   +1 more source

The output performance of high power quality three‐phase to single‐phase AC power generation system based on open‐winding PMSG for standalone power system

open access: yesIET Electric Power Applications, 2022
A three‐phase to single‐phase direct AC power generation system based on the open‐winding permanent magnet synchronous generator (PMSG) with the dual‐inverter is proposed in this study for the standalone power system.
Jiadan Wei   +3 more
doaj   +1 more source

Power losses in the three‐phase three‐limb transformer due to common and differential mode of dc‐bias

open access: yesIET Electric Power Applications, 2021
Geomagnetically induced currents (GICs) and the converter modulation effect are the two main causes for dc magnetisation in power transformers. It is well known that a small dc‐bias can saturate a large transformer and thereby generate high unbalanced ...
Wei Wang, Arne Nysveen, Niklas Magnusson
doaj   +1 more source

A Comparative Study on Conventional and Superconducting Electrical Machines [PDF]

open access: yesE3S Web of Conferences, 2023
This paper investigates the potential benefits of utilizing superconducting materials in machines. The project focuses on replacing the conventional copper windings with superconducting materials in a machine.
Bobba Phaneendra Babu   +2 more
doaj   +1 more source

High Frequency Transformers for Solid-State Transformer Applications

open access: yesApplied Sciences, 2023
This paper focuses on the study of the high frequency transformer incorporated in solid- state transformers, specifically on the development of the steps that enable the design of an optimized high frequency transformer and its equivalent model based on ...
Nuno Santos   +5 more
doaj   +1 more source

Comparative assessment of different methods of drying electric motors windings insulation

open access: yesVestnik MGTU, 2022
Calculations of the technical and economic effect from the use of thermal and electroosmosis-based drying methods in relation to agricultural production have been carried out according to the developed algorithms.
Nemirovskiy A. E.   +4 more
doaj   +1 more source

The Electronic Switch of Windings of a Standard BLDC Motor

open access: yesApplied Sciences, 2022
Nowadays, one of the most promising areas in the motor industry is the production of BLDC motors, which are used in a wide range of applications and products—from power tools to electrical vehicles.
Vadim Carev   +3 more
doaj   +1 more source

SPICE-Aided Models of Magnetic Elements—A Critical Review

open access: yesEnergies, 2023
This article analyzes the problem of modeling the properties of such magnetic elements as inductors, coupled inductors, and transformers using the SPICE software (version 17.2).
Krzysztof Górecki, Kalina Detka
doaj   +1 more source

Enhanced Flexible Algorithm for the Optimization of Slot Filling Factors in Electrical Machines

open access: yesEnergies, 2020
The continuous development in the field of industrial automation and electric mobility has led to the need for more efficient electrical machines with a high power density.
Armin Dietz   +4 more
doaj   +1 more source

Experimental Study of the Dynamic Short-Circuit Withstand Capability of an 8400 kVA Power Transformer Specially Designed for Photovoltaic Applications

open access: yesMachines, 2023
This article, besides offering data of great value for any designer of high-power short-circuits of special three-winding design, illustrates the correlation with the corresponding FRA measurements, validating this type of measurement.
Cristian-Eugeniu Sălceanu   +5 more
doaj   +1 more source

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