Search
Now showing items 11-20 of 30
Development of a Thermal Analysis Tool for Linear Machines
(MDPI, 2021)
The thermal design is one of the most important stages in the design process of electrical machines. Thanks to software packages, like Motor-CAD, rotating machine designers can predict the thermal operation of the machines ...
Analysis of non-uniform circumferential segmentation of magnets to reduce eddy-current losses in SPMSM machines
(IEEE, 2012)
Eddy current losses generated in the rotor of the permanent magnet machines may lead to an excessive magnet heating. This can cause full demagnetization of the magnets so it is very important to analyze the losses on them ...
Study of Partial Discharge Inception Voltage in Inverter Fed Electric Motor Insulation Systems
(MDPI, 2023)
This article performs a thorough evaluation of different environmental and electrical waveform characteristics affecting PDIV on electric motor winding insulation. Temperature received special attention, as it clearly ...
Thrust Ripple Reduction in Linear Switched-Flux Machines via Additional Pole Optimisation
(IEEE, 2022)
Linear switched-flux machines are a kind of permanent magnet machine with a passive ferromagnetic secondary. Therefore, they can achieve both a good performance and a low cost in long stroke applications. However, due to ...
High-Frequency Modelling of Electrical Machines for EMC Analysis
(MDPI, 2024)
The trend towards electrification in mobility has led to the increased use of silicon carbide (SiC) semiconductors. These semiconductors are more efficient but also present challenges related to electromagnetic interference ...
Magnet eddy current loss calculation method for segmentation analysis on permanent magnet machines
(IEEE, 2011)
Eddy current losses generated in the rotor of permanent magnet machines may lead to an excessive magnet heating. This can cause the magnets to get fully demagnetized so it is very important to analyze the losses on them. ...
Analytical Model to Calculate Radial Forces in Permanent-Magnet Synchronous Machines
(MDPI, 2021)
There are three principal sources of noise and vibration in electrical machines: electromagnetic sources, mechanical sources, and aerodynamic sources. Nowadays, one of the major advantages of permanent-magnet synchronous ...
Understanding Switched-Flux Machines: A MMF-Permeance Model and Magnetic Equivalent Circuit Approach
(IEEE, 2022)
Due to their particular structure, switched-flux permanent magnet machines have become a very interesting alternative for many applications. This is why some recent studies have been focused in the understanding of the ...
DC-link sensor Fault Detection and isolation for railway traction electric drives
(IEEE, 2017)
This article presents the design and the implementation of a fault detection and isolation strategy for sensors in variable speed drives. Electric drives use several current and voltage sensors for control and protection. ...
Analytical model to calculate radial forces in permanent-magnet synchronous machines
(IEEE, 2014)
In permanent-magnet synchronous machines (PMSMs) electromagnetic forces are identified as the principal source of vibrations and noises. In this article, first of all the sources of magnetic forces in PMSMs are analyzed. ...