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This paper presents a Space-Vector Modulated (SVM) Direct-Torque-Control (DTC) scheme for a direct-drive permanent magnet synchronous generator (PMSG) and a gird converter for wind energy without any position sensor. Direct control of the rotating velocity and amplitude of the stator flux vector allows very fast torque response of the PMSG according to the generator speed. Fixed switching frequency...
Large-scale permanent magnet generators with full power electronic converters are of increasing interest to many wind turbine manufacturers. These systems offer an efficient and reliable solution for offshore and low wind sites. However, the advantages of these generators necessitate a system design approach when selecting a power electronic drive and designing to meet the toughest grid code elements...
Escalating worldwide concerns over energy consumption and pollution due to transportation systems have increased the importance of optimizing hybrid electric vehicles (HEV). In series HEVs, which contain hybrid permanent magnet (HPM) instead of conventional brushless permanent magnet generator, the optimum operating region of the internal combustion engine (ICE) in terms of fuel consumption and emission...
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