Abstract：In this paper,a novel linear eddy current brake with serial magnetic circuitand hybrid excitationis presented.The air gap magnetic field is generated by the exciting windings and permanent magnets.Therefore the hybrid excitation eddy current brake has many advantages,such as large air gap flux density,controllability,and low excitation loss.Firstly,the structure and operation principle are introduced.Secondly,the expressions of the eddy loss and braking force are deduced using the equivalent magnetic circuit method and the layer theory approach,namely the analytical modelof the linear eddy current brake with serial magnetic circuit and hybrid excitation is set up.The validity of theanalytical model is confirmed using the two-dimensional finite element analysis.Finally,the relationship between the force characteristics and the design parameters of the hybrid excitation eddy current brake is analyzed to give theoretical basis for the optimization design of the hybrid excitation eddy current brake.
寇宝泉, 金银锡, 张赫, 张鲁, 张海林. 新型串联磁路混合励磁直线涡流制动器特性分析[J]. 电工技术学报, 2016, 31(15): 62-72.
Kou Baoquan, Jin Yinxi, Zhang He, Zhang Lu, Zhang Hailin. Characteristic Analysis of a Novel Linear Eddy Current Brake with Serial Magnetic Circuit and Hybrid Excitation. Transactions of China Electrotechnical Society, 2016, 31(15): 62-72.
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2016, Vol. 31 
