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Traction drives --- 621.313 --- Drives, Traction --- Transmission, Traction --- Power transmission --- Electric machines --- 621.313 Electric machines

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This concise book focuses on the reliability of traction electrical drives. The first chapter presents the Lz-transform approach for the comparative analysis of the fault tolerance of multi-motor electrical drives with multi-phase traction motors. The second chapter then provides an estimate of the value of the operational availability and performance of a diesel–electric multi-drive propulsion system, while the third chapter introduces the concept of a more electric aircraft. Lastly, the fourth chapter analyzes the requirements for multi-phase permanent-magnet motors applicable in various aircraft systems.

Production of electric energy or. --- Astronautics. --- Power Electronics, Electrical Machines and Networks. --- Aerospace Technology and Astronautics. --- Space sciences --- Aeronautics --- Astrodynamics --- Space flight --- Space vehicles --- Traction drives. --- Electric driving. --- Electric machinery --- Electric power --- Power transmission --- Drives, Traction --- Transmission, Traction --- Power electronics. --- Aerospace engineering. --- Aeronautical engineering --- Astronautics --- Engineering --- Electronics, Power --- Electronics

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Energy storage is a key topic for research, industry, and business, which is gaining increasing interest. Any available energy-storage technology (batteries, fuel cells, flywheels, and so on) can cover a limited part of the power-energy plane and is characterized by some inherent drawback. Supercapacitors (also known as ultracapacitors, electrochemical capacitors, pseudocapacitors, or double-layer capacitors) feature exceptional capacitance values, creating new scenarios and opportunities in both research and industrial applications, partly because the related market is relatively recent. In practice, supercapacitors can offer a trade-off between the high specific energy of batteries and the high specific power of traditional capacitors. Developments in supercapacitor technology and supporting electronics, combined with reductions in costs, may revolutionize everything from large power systems to consumer electronics. The potential benefits of supercapacitors move from the progresses in the technological processes but can be effective by the availability of the proper tools for testing, modeling, diagnosis, sizing, management and technical-economic analyses. This book collects some of the latest developments in the field of supercapacitors, ranging from new materials to practical applications, such as energy storage, uninterruptible power supplies, smart grids, electrical vehicles, advanced transportation and renewable sources.

Technology: general issues --- History of engineering & technology --- perovskite --- supercapacitors --- stability --- green supercapacitor --- water processable polymer --- pullulan --- ionic liquid --- electrospinning --- ultracapacitor --- equivalent circuit --- Fourier transform --- internal resistance --- hybrid energy storage system --- supercapacitor --- energy allocation --- energy storage --- wave energy --- dimensioning --- efficiency --- grid code --- renewable energies --- electric traction drives --- electrical vehicle --- microgrid --- renewable energy --- energy storage system --- EDLCs --- sustainable solvents --- non-aqueous electrolytes --- 5-methyl-1,3-dioxolan-4-one

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Optimal performance of the electric machine/drive system is mandatory to improve the energy consumption and reliability. To achieve this goal, mathematical models of the electric machine/drive system are necessary. Hence, this motivated the editors to instigate the Special Issue “Mathematical Approaches to Modeling, Optimally Designing, and Controlling Electric Machine”, aiming to collect novel publications that push the state-of-the art towards optimal performance for the electric machine/drive system. Seventeen papers have been published in this Special Issue. The published papers focus on several aspects of the electric machine/drive system with respect to the mathematical modelling. Novel optimization methods, control approaches, and comparative analysis for electric drive system based on various electric machines were discussed in the published papers.

Technology: general issues --- demagnetization --- electric machine --- flux reversal machine --- high-speed electrical machine --- high-speed electrical motor --- Nelder–Mead method --- optimal design --- switched reluctance motor --- direct instantaneous torque control --- numerical analysis --- optimization --- current angle --- design of electric motors --- flux-barriers --- synchronous reluctance motor --- torque ripple --- induction motor --- model predictive --- sensorless --- high performance --- switched reluctance machine --- NSGA-II optimization --- finite element analysis --- direct-drive --- electric machine analysis computing --- interior permanent magnet machine --- mathematical model --- optimal-design --- permanent magnet flux-switching machine --- wind generator --- doubly fed induction generator --- DC-link voltage regulation --- second-order sliding mode control --- extended state observer --- fuzzy gain scheduling --- advanced metaheuristics --- MO-Jaya optimization --- centrifugal pump --- energy efficiency --- parallel pumps --- throttling --- variable speed pump --- synchronous homopolar machine --- synchronous homopolar motor --- traction drives --- traction motor --- high-harmonic injection --- brushless field excitation --- wound field synchronous machines --- Axial flux permanent magnet machine --- 3D FEA --- Genetic algorithm --- hexagonal-shaped PMs --- PM overhang --- brushless topology --- third harmonic flux --- dc offset --- direct-on-line permanent magnet synchronous motor --- direct-on-line synchronous reluctance motor --- permanent magnet motor --- reactive power compensation --- carbon dioxide emissions --- climate change mitigation --- electric motors --- energy conversion --- energy efficiency class --- energy policy and regulation --- energy saving --- sustainable utilization of resources --- synchronous motor --- adaptive control --- MTPA control --- parameter variation --- constraints design --- mining dump truck --- traction drive

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Optimal performance of the electric machine/drive system is mandatory to improve the energy consumption and reliability. To achieve this goal, mathematical models of the electric machine/drive system are necessary. Hence, this motivated the editors to instigate the Special Issue “Mathematical Approaches to Modeling, Optimally Designing, and Controlling Electric Machine”, aiming to collect novel publications that push the state-of-the art towards optimal performance for the electric machine/drive system. Seventeen papers have been published in this Special Issue. The published papers focus on several aspects of the electric machine/drive system with respect to the mathematical modelling. Novel optimization methods, control approaches, and comparative analysis for electric drive system based on various electric machines were discussed in the published papers.

demagnetization --- electric machine --- flux reversal machine --- high-speed electrical machine --- high-speed electrical motor --- Nelder–Mead method --- optimal design --- switched reluctance motor --- direct instantaneous torque control --- numerical analysis --- optimization --- current angle --- design of electric motors --- flux-barriers --- synchronous reluctance motor --- torque ripple --- induction motor --- model predictive --- sensorless --- high performance --- switched reluctance machine --- NSGA-II optimization --- finite element analysis --- direct-drive --- electric machine analysis computing --- interior permanent magnet machine --- mathematical model --- optimal-design --- permanent magnet flux-switching machine --- wind generator --- doubly fed induction generator --- DC-link voltage regulation --- second-order sliding mode control --- extended state observer --- fuzzy gain scheduling --- advanced metaheuristics --- MO-Jaya optimization --- centrifugal pump --- energy efficiency --- parallel pumps --- throttling --- variable speed pump --- synchronous homopolar machine --- synchronous homopolar motor --- traction drives --- traction motor --- high-harmonic injection --- brushless field excitation --- wound field synchronous machines --- Axial flux permanent magnet machine --- 3D FEA --- Genetic algorithm --- hexagonal-shaped PMs --- PM overhang --- brushless topology --- third harmonic flux --- dc offset --- direct-on-line permanent magnet synchronous motor --- direct-on-line synchronous reluctance motor --- permanent magnet motor --- reactive power compensation --- carbon dioxide emissions --- climate change mitigation --- electric motors --- energy conversion --- energy efficiency class --- energy policy and regulation --- energy saving --- sustainable utilization of resources --- synchronous motor --- adaptive control --- MTPA control --- parameter variation --- constraints design --- mining dump truck --- traction drive