کنفرانس مهندسی برق ایران

صفحه اصلی / سی و دومین کنفرانس بین المللی مهندسی برق

Hybrid-Excited, Variable-Flux, and Inter-Modular Biased-Flux Motors: A Comparative Analysis

نویسندگان :

Mohammad Amirkhani¹ Ehsan Farmahini Farahani² Alireza Eikani³ Mojtaba Mirsalim⁴ Javad Shokrollahi Moghani⁵

1- Amirkabir University of Technology (Tehran Polytechnic) 2- Newcastle University 3- University of Tehran 4- Amirkabir University of Technology (Tehran Polytechnic) 5- Amirkabir University of Technology (Tehran Polytechnic)

کلمات کلیدی :

permanent magnet،Biased-flux،finite element analysis،power factor،high-torque density

چکیده :

This paper analyses three prominent biased-flux permanent magnet (BFPM) motors and compares them with each other. The structures of these BFPMs are different from each other, but they share the same operation principle. These structures are, namely, hybrid-excited multi-tooth slot-PM (HETSPM), multi-tooth variable flux reluctance (TVFR), and inter-modular PM (IMPM). The reason for this selection of structure is because of complementary features that each one possesses. For example, the HETSPM motor places in between the TVFR and IMPM motors in terms of PM consumption and demagnetization. However, the IMPM structure produces high amount torque at high efficiency. The demagnetization of the HETSPM and IMPM structures is also investigated and is shown that, in the similar situation, the HETSPM provides a safer operation environment for the PMs. Two-dimensional finite element method is used to extract the important profiles of the mentioned structures.