High-Torque Density Magnet-Assisted Wound Field Motor using a Field-Unit-Type Rotor
High-Torque Density Magnet-Assisted Wound Field Motor using a Field-Unit-Type Rotor
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DOI：
10.1109/icem51905.2022.9910690
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发表时间：
2022-09
期刊：
影响因子：
--
通讯作者：
Y. Hidaka
中科院分区：
文献类型：
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作者：
Y. Hidaka
提出了一种新型的磁助绕线式磁场电机转子结构。在所提出的电机中，磁场线圈、线轴和极片被集成在一起形成磁场单元，这些磁场单元从轴向插入转子铁心。这种结构允许利用传统电机所不具备的磁阻转矩，并且与传统电机相比，表现出更高的转矩密度。利用有限元方法进行了数值验证，验证了所提出结构的有效性。此外，还进行了制造试验，以验证磁场单元型转子的可行性。数值结果表明，该结构实现了比常规电机具有更高的转矩密度的磁助绕线式电机。
This study presents a novel rotor structure for a magnet-assisted wound field motor. In the proposed motor, the field coil, bobbin, and pole piece are integrated to form field units, which are inserted into the rotor core from the axial direction. This structure allows reluctance torque, which is unavailable in conventional motors, to be utilized and exhibits improved torque density compared to that of conventional motors. Numerical verifications are conducted using the finite element method to validate the effectiveness of the proposed structure. Moreover, manufacturing tests are performed to verify the feasibility of the field-unit-type rotor. From the numerical results, it can be confirmed that the proposed structure achieves a magnet-assisted wound field motor with higher torque density than that of conventional motors.