Rotating electrical machines: Poynting flow
Sign Up to like & getrecommendations! Published in 2017 at "European Journal of Physics"
DOI: 10.1088/1361-6404/aa7dcc
Abstract: This paper presents a complementary approach to the traditional Lorentz and Faraday approaches that are typically adopted in the classroom when teaching the fundamentals of electrical machines - motors and generators. The approach adopted is… read more here.
Keywords: electrical machines; poynting flow; machines poynting; approach ... See more keywords
Effects of Environmental Factors on Partial Discharge Activity and Estimation of Insulation Lifetime in Electrical Machines
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Access"
DOI: 10.1109/access.2020.2998373
Abstract: Partial discharges (PD) are produced in the stator insulation of electrical machines while energized. The sources of PD are internal voids, crack, and manufacturing defects, which keep on extending with its normal operation, leading to… read more here.
Keywords: activity; discharge; insulation; electrical machines ... See more keywords
Novel Topology Optimization Method for Weight Reduction in Electrical Machines
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3185741
Abstract: This paper proposes a combined electromagnetic and mechanical topology optimization for weight reduction in electrical machines based on Finite Element Analysis (FEA) and Evolutionary Structural Optimization (ESO). The devised method is an on- off-type algorithm… read more here.
Keywords: topology; topology optimization; optimization; reduction electrical ... See more keywords
Magnetic Materials Used in Electrical Machines: A Comparison and Selection Guide for Early Machine Design
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Industry Applications Magazine"
DOI: 10.1109/mias.2016.2600721
Abstract: This article presents an up-to-date magnetic material investigation and overview on soft magnetic materials used in rotating electrical machines. The focus is on small-to-medium-sized high-performance and high-efficiency permanent-magnet and induction motors for different application scenarios.… read more here.
Keywords: used electrical; electrical machines; materials used; magnetic materials ... See more keywords
Robust Design Optimization of Electrical Machines Considering Hybrid Random and Interval Uncertainties
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Energy Conversion"
DOI: 10.1109/tec.2020.2996244
Abstract: For robust design optimization (RDO) of electrical machines, cases with random uncertainty and interval uncertainty are generally investigated separately. Accordingly, the performance fluctuation analysis under uncertainty is based on random method and interval method respectively.… read more here.
Keywords: optimization; interval; uncertainty; method ... See more keywords
Reduction of Winding AC Losses by Accurate Conductor Placement in High Frequency Electrical Machines
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2019.2947552
Abstract: In the design of electrical machines, the increase in power density has become one of the main research themes. With most of the power loss in high power density electrical machines often being generated in… read more here.
Keywords: losses accurate; winding losses; high frequency; reduction winding ... See more keywords
A Feasibility Study of Additively Manufactured Heat Guides for Enhanced Heat Transfer in Electrical Machines
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2019.2949258
Abstract: This article investigates a new heat extraction approach for application to high-specific-output electrical machines. The proposed technique employs thermally conductive heat guides (HGs) to provide supplementary heat evacuation paths for the machine regions, which are… read more here.
Keywords: stator winding; heat; heat guides; electrical machines ... See more keywords
Additive Manufacturing of Shaped Profile Windings for Minimal AC Loss in Electrical Machines
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2020.2975763
Abstract: Metal additive manufacturing enables production of copper and aluminium parts exhibiting unmatched geometric freedom, giving rise to new possibilities in the winding design of electrical machines and wound passive components. Early adopters of additive manufacturing… read more here.
Keywords: shaped profile; loss; electrical machines; profile windings ... See more keywords
Definition and Experimental Validation of a Second-Order Thermal Model for Electrical Machines
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Industry Applications"
DOI: 10.1109/tia.2021.3114131
Abstract: This article proposes a second-order thermal model useful to predict the average winding temperature of electrical machines used in electrical drives. Both analytical and practical considerations are provided. The proposed model is first described, including… read more here.
Keywords: order thermal; electrical machines; second order; thermal model ... See more keywords
Comparative Study of Small Electrical Machines With Soft Magnetic Composite Cores
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2016.2583409
Abstract: In this paper, various kinds of electrical machines with soft magnetic composite (SMC) cores are compared, based on the qualitative and quantitative comparison methods. In the first part, the performances of five typical electrical machines… read more here.
Keywords: soft magnetic; outer rotor; electrical machines; machines soft ... See more keywords
A Hybrid Calculation Method of Electromagnetic Vibration for Electrical Machines Considering High-Frequency Current Harmonics
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3152021
Abstract: This article proposes a hybrid evaluation method of electromagnetic force and vibration for electrical machines considering high-frequency current harmonics caused by the inverter. First, the permeance and armature magnetomotive force (MMF) is calculated based on… read more here.
Keywords: method electromagnetic; vibration electrical; harmonics; method ... See more keywords