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Recently, outer-rotor electric machine become a research attention to be applied for in-wheel motor either in electric or hybrid electric vehicles (EVs). Among the competitor for in-wheel machines, the permanent magnet synchronous machine (PMSMs) with an outer-rotor have been used widely due to their high performances in terms of torque ad power. However, there is drawback cause by demagnetization...
Interior permanent magnet (IPM) motors become popular and commonly used in industry and domestic applications. One of them is spoke-type IPM. Spoke-type interior permanent magnet (IPM) machines are an attractive topology for high-performance electric motors. In most of the applications, the high strength of permanent magnets causes the undesirable effects of high cogging torque that can aggravate...
Direct-drive is one of the in-wheel application that evolve enormously for full electric vehicle where it still require a lot of improvement and as an alternative especially on the outer-rotor field excitation flux switching motor. Furthermore, to reduce the usage and dependence of permanent magnet such as ferrite magnet, FE2O3 and neodymium an alternative is needed. Besides, without permanent magnet...
Hybrid Excitation Flux Switching Machine (HEFSM) is a machine that achieves high performances, where it can compete with the Interior Permanent Magnet Synchronous Machine (IPMSM) which being implemented widely in HEV nowadays. The machine also when compared to Field Excitation Flux Switching Machine (FEFSM) and Permanent Magnet Flux Switching Machine (PMFSM), generate much higher performance mainly...
Increasing transportation efficiency is the best place to start efforts to reduce emission of carbon dioxide (CO2), which is a primary culprit in global warming. This has gained an interest in electric vehicles (EVs) instead of conventional internal combustion engine from automakers, governments and customers to make it as more attractive research. Since electric motors are the core of EVs, it is...
Single-phase Field Excitation Flux Switching Machines (FEFSMs) are increasingly considered as suitable candidate for high speed applications due to their variable flux capability and single piece structure of rotor. However, most of existing FEFSMs have overlap windings between armature and field excitation coil (FEC) which lead to increased size of motor, copper losses as well as material costs....
Dual Rotor Hybrid Excitation Machine (DRHEFSM) idea mainly comes from the existing Hybrid Excitation Flux Switching Machine (HEFSM). HEFSM has been tested and obtain remarkably result. The machine rivaled the Interior Permanent Magnet Synchronous Machine (IPMSM) and produce high performance when compared to Field Excitation Flux Switching Machine (FEFSM) and Permanent Magnet Flux Switching Machine...
Research and development on flux switching machines (FSMs) getting popular due to their several definite advantages of high torque and power densities, constant power over a wide speed range, higher efficiency and robust rotor structure inherits combined advantages of permanent magnet synchronous motor (PMSM) and switched-reluctance motor (SRM). There are many developed and novel design of FSMs for...
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