紀要論文

磁界・電圧源強連成解析と時間領域随伴変数法の併用によるかご型誘導電動機のマルチマテリアルトポロジー最適化に関する研究

STUDY ON MUTI-MATERIAL TOPOLOGY OPTIMIZATION OF SQUIRREL-CAGE INDUCTION MOTOR USING STRONGLY COUPLED ANALYSIS OF MAGNETIC FIELD/VOLTAGE SOURCE AND TIME DOMAIN ADJOINT VARIABLE METHOD

jpn

24368083

https://doi.org/10.15002/00030717

法政大学大学院理工学研究科

法政大学大学院紀要. 理工学研究科編

65

1

6

2024-03-24

Version of Record

In recent years, to prevent global warming, higher efficiency of motors is required. Although IMs have inferior output compared to interior permanent magnet synchronous motors, they have advantages such as robustness, low cost, and self-starting characteristics, so they account for approximately 41% of the total domestic production of AC motors. A design optimization method that combines electromagnetic field analysis and topology optimization (TO) has been proposed as one method to improve the efficiency of IMs. When this method is applied to IMs, it is considered that including the secondary conductor in the design domain in addition to the rotor core is the way to further improve the performance of IMs. In addition, because IMs have many secondary conductors in the rotor, and there is slippage, the magnetic field inside the motor changes rapidly. Therefore, to accurately consider electromagnetic phenomena, it is necessary to perform TO based on magnetic field analysis and strongly coupled analysis of voltage sources. Therefore, in this paper, we apply multi-material TO based on magnetic field analysis and strongly coupled analysis of voltage sources to a squirrel cage IM. As a result, the rotor structures with high torque and low torque ripple are obtained.

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