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윤명환(Myung-Hwan Yoon),이기덕(Ki-Deok Lee),이정종(Jeong-Jong Lee) 한국자기학회 2021 韓國磁氣學會誌 Vol.31 No.3
The LSPM (line-start permanent magnet synchronous motor) is an alternative to increase the efficiency and power factor of induction motors. Magnetization of permanent magnet in LSPM is the most important issue for manufacturing process. The manufacturing process can be improved as the magnetization of the permanent magnet is conducted after the rotor assembly. Circuit of LSPM magnetization after the assembly is introduced and finite element analysis is conducted. Finally, magnetizing yoke is manufactured and the magnetization is conducted. Flux density in the permanent magnet of LSPM rotor is checked. The result is presented for the verification of the magnetizing analysis.