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Electromagnetic Torque Analysis of Wind-Driven SRG with Ferrite Magnet

CES Transactions on Electrical Machines and Systems 2020年第3期4卷 172-179页

作者： Kitaba Tefera Praveen Tripathy ravindranath adda Indian Institute of Technology Guwahati India Department of Electronics and Electrical Engineering Indian Institute of Technology GuwahatiIndia

The present paper analyses the effect of placing the ferrite magnet into the rotor air barrier of synchronous reluctance generators(SRG)on its electromagnetic *** paper uses a difference of average electromagnetic torque and ripple torque as a measure of the performance ***,in the analysis,a magnetic material is placed in the middle of each air barrier,and its size is symmetrically increased on both sides to increase the percentage of the volume of the magnetic *** effect of an increase in the volume of the magnetic material on its performance is ***,the variation in electromagnetic features such as the d−and q-axes inductance and flux linkage are also explored and compared for different volumes and ferrite *** the present work,finite element analysis is used to get the electromagnetic *** paper also includes hardware validation on the fabricated prototype of SRG(without ferrite magnet),but SRG with a ferrite magnet only includes the results with FEA simulation.

关键词： Ferrite material FEA Torque Synchronous reluctance generator

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Electromagnetic and Mechanical Stress Analysis of Wind-Driven Synchronous Reluctance Generator

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CES Transactions on Electrical Machines and Systems 2019年第1期3卷 107-114页

作者： Kitaba Tefera Praveen Tripathy Senior ravindranath adda the Department of Electronics and Electrical Engineering Indian Institute of TechnologyGuwahatiAssam

The investigation explores the mechanical stress and electromagnetic performance for a wind-driven synchronous reluctance generator(SRG).The change in the mechanical stress due to the presence of centripetal force,wind speed,and rotor speed are evaluated for different thickness of tangential and radial ***,the variation in the electromagnetic feature such as the q−and d−axes flux,reactance ratio,inductance,torque and torque ripple are discussed for different thickness of tangential and radial *** both tangential and radial ribs thickness has an effect on the electromagnetic performance,but it is observed that effect is significantly more with the variation of tangential rib ***,the mechanical stress analysis for rotor design has been explored in this *** is observed that high concentration of peak stress on the rotor ribs,which limits the range of rotor speed.

关键词： Electromagnetic mechanical integrity synchronous reluctance generator stress and safety factor wind speed.

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