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Energy Efficiency Improvement of Electric Machines without Rare-Earth Magnets
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Electric motors consume about 70% of industrial electricity and about 40%–45% of produced electricity in the world. This means that using high-efficiency electric motors will improve the level of energy consumption. In addition, it will reduce the impact of greenhouse gas emissions on the environment. Furthermore, it will significantly reduce the need for new power plants, thus reducing the invested resources to do so. Electric machines employing rare-earth magnets have higher efficiency and power density. However, rare-earth magnets are expensive, and their manufacturing process, as well as the process of mining rare-earth raw materials, is harmful to the environment. Thereby, the development of energy-efficient electric machines without rare-earth magnets is of great interest. The aim of this reprint was to gather new research publications in various topics related to improving the energy efficiency of electric machines without using rare-earth magnets. Ten articles have been published which cover various topics.
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Keywords
- axial flux induction motor
- centrifugal pump
- cogging torque
- core loss
- coyote optimization algorithm
- crooked tooth
- dynamic torque
- electric motorcycle
- electric vehicle motor
- Energy Efficiency
- ferrite magnet
- ferrite PM
- field-excited machine
- finite element analysis
- flux reversal
- flux reversal machine
- flux switching machine
- flux-switching machine
- genetic algorithm
- hybrid excitation of SRM (HESRM)
- hybrid excitation of SRM without a permanent magnet
- indirect torque control
- induction motor
- international electrotechnical committee
- leakage-flux
- line start synchronous reluctance motor
- line-start synchronous motor
- linear machine
- LPMEC model
- magnetic flux path
- Mathematics & science
- modular stator
- n/a
- non-rare earth
- optimization
- performance analysis
- Performance Evaluation
- permanent magnet (PM)
- Physics
- power factor
- Reference, information & interdisciplinary subjects
- Research & information: general
- simulation-based optimization
- static torque
- super premium efficiency
- switched reluctance machine
- switched reluctance motor (SRMs)
- switched reluctance motors
- synchronous reluctance motor
- thema EDItEUR::G Reference, Information and Interdisciplinary subjects::GP Research and information: general
- thema EDItEUR::P Mathematics and Science::PH Physics
- thermal analysis
- throttling control
- torque ripple
- water pumping
- Wind energy
- winding arrangement
Links
DOI: 10.3390/books978-3-0365-7657-2Editions