Advanced optimization methods for fractional slot concentrated windings
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DOI: 10.1007/s00202-019-00760-6
Abstract: Usage of fractional slot concentrated windings (FSCWs) in electrical machines offers several advantages due to their simplicity and compactness. However, the magnetic field of FSCWs has more space harmonics, including sub-harmonics that lead to undesirable… read more here.
Keywords: optimization methods; harmonics; slot concentrated; concentrated windings ... See more keywords
Advanced multi-phase fractional slot concentrated windings: characteristics and potentials
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DOI: 10.1007/s00202-020-01088-2
Abstract: The new advanced multi-phase FSCW is a unique winding configuration. Unlike the common windings, it offers a variety of operating modes, e.g. the generation of various number of pole pairs, the separate control of their… read more here.
Keywords: slot concentrated; phase; phase fractional; fractional slot ... See more keywords
Design guidelines for fractional slot multi-phase modular permanent magnet machines
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DOI: 10.1049/iet-epa.2016.0616
Abstract: This study presents the design considerations for a fractional slot multi-phase modular permanent magnet (PM) machine with single-layer concentrated windings. The winding factors for various slot/pole number combinations are calculated to identify the optimal slot/pole… read more here.
Keywords: phase; phase modular; multi phase; fractional slot ... See more keywords
Space Harmonics Elimination for Fractional-Slot Windings With Two-Slot Coil Pitch
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DOI: 10.1109/access.2019.2933256
Abstract: Recently, fractional-slot windings with two-slot coil pitch are receiving more and more attention due to their lower space harmonic contents in stator magnetomotive force (MMF) compared with the widely-used fractional-slot nonoverlapping counterparts. To further reduce… read more here.
Keywords: slot; harmonics; slot windings; coil ... See more keywords
Multi-Objective Optimization Design of Fractional Slot Concentrated Winding Permanent Magnet Synchronous Machines
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DOI: 10.1109/access.2019.2951023
Abstract: Fractional-slot concentrated-winding (FSCW) permanent magnet synchronous machines (PMSMs) have several advantages when compared to other conventional topologies. Design of these motors often rely on the designer’s experience, or numerical methods which are time inefficient. This… read more here.
Keywords: objective optimization; optimization design; fractional slot; multi objective ... See more keywords
Analytical Calculation of Magnetic Field in Fractional-Slot Windings Linear Phase-Shifting Transformer Based on Exact Subdomain Model
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DOI: 10.1109/access.2021.3109624
Abstract: Fractional-slot windings linear phase-shifting transformers (FW-LPSTs) are a new type of transformer that can be used as an important component of multi-rectifier and multi-inverter systems. The FW-LPSTs are proposed for the first time, and few… read more here.
Keywords: field; magnetic field; model; distribution ... See more keywords
Experimental Verification of Rotor Demagnetization in a Fractional-Slot Concentrated-Winding PM Synchronous Machine Under Drive Fault Conditions
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/ecce.2016.7855102
Abstract: This paper presents the results of experimental tests designed to verify analytical predictions of the rotor demagnetization characteristics of a 0.6 kW (cont.) 9-slot/6-pole fractional-slot concentrated winding (FSCW) interior permanent magnet (IPM) synchronous machine. The… read more here.
Keywords: slot concentrated; machine; concentrated winding; demagnetization ... See more keywords
A Quadratic-Programming Approach to the Design Optimization of Fractional-Slot Concentrated Windings for Surface Permanent-Magnet Machines
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Energy Conversion"
DOI: 10.1109/tec.2017.2751588
Abstract: Fractional-slot concentrated windings (FSCW) are becoming more and more popular in the design of permanent magnet electric machines. A well-known drawback of their adoption is the occurrence of large magneto-motive force (MMF) harmonics, which produce… read more here.
Keywords: slot concentrated; permanent magnet; slot; concentrated windings ... See more keywords
Investigation of Unbalanced Magnetic Force in Fractional-Slot Permanent Magnet Machines Having an Odd Number of Stator Slots
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DOI: 10.1109/tec.2020.2995803
Abstract: Fractional-slot permanent magnet (PM) machines with an odd number of stator slots are attractive candidates for industrial applications due to their high torque density and low torque ripple. However, the unbalanced magnetic force is detrimental… read more here.
Keywords: harmonics; number; magnetic force; fractional slot ... See more keywords