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首页> 外文期刊>IEEE Transactions on Energy Conversion >Investigation of Novel Doubly Salient Hybrid Excited Machine With Non-Overlapped Field Winding
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Investigation of Novel Doubly Salient Hybrid Excited Machine With Non-Overlapped Field Winding

机译:具有非重叠现场绕组的新型双重阳光杂交励磁机的研究

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摘要

Hybrid excited machines, with synergies of permanent magnet (PM) and wound field (WF) excitations, exhibit high torque density as well as controllable flux and are perceived as promising candidate for variable speed application. A novel doubly salient hybrid excited (DSHE) machine with non-overlapped field winding is presented in this paper. It inherits simple structure of conventional doubly salient PM (DSPM) machine and facilitates the regulation of magnetic field by field winding. The electromagnetic performances of the proposed machine with different stator and rotor pole number combinations are investigated by finite element method (FEM), confirming these advantages. Furthermore, the effect of iron bridge on the hybridization between PM and WF excitations is analyzed to obtain a trade-off between high torque density and wide flux regulation range with the frozen permeability method (FPM). It is revealed that the proposed DSHE machine possesses higher power and fault tolerance at flux weakening region compared with the DSPM machine, albeit with sacrificed torque density and efficiency with introduction of field winding. Finally, a prototype is fabricated and tested to validate the theoretical analyses.
机译:混合激励机,具有永磁体(PM)和卷绕区域(WF)激发的协同机器,表现出高扭矩密度以及可控通量,并且被认为是可变速度应用的有希望的候选者。本文提出了一种具有非重叠场绕组的新型双重突出的混合兴奋(DSHE)机器。它继承了常规双重突出PM(DSPM)机器的简单结构,并通过现场绕组促进磁场的调节。通过有限元方法(FEM)研究了具有不同定子和转子杆数组合的所提出的机器的电磁性能,确认这些优点。此外,分析了铁桥对PM和WF激发杂交之间的效果,以通过冷冻渗透方法(FPM)获得高扭矩密度和宽通量调节范围之间的折衷。据揭示,与DSPM机相比,该拟议的DSHE机器在磁通弱化区域具有更高的功率和容错,尽管具有牺牲的扭矩密度和效率,但引入现场绕组。最后,制造并测试了原型以验证理论分析。

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