Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Chae-Lim Jeong"'
Publikováno v:
Energies; Volume 14; Issue 23; Pages: 8058
Energies, Vol 14, Iss 8058, p 8058 (2021)
Energies, Vol 14, Iss 8058, p 8058 (2021)
This paper deals with the possibility to replace rare-earth permanent magnet (PM) motors in direct drive applications. According to previous researches, there are alternatives such as surface-mounted PM motors and spoke-type motors adopting Ferrite P
Optimized Design of PMSM With Hybrid-Type Permanent Magnet for Improving Performance and Reliability
Publikováno v:
IEEE Transactions on Industry Applications. 55:4692-4701
This paper proposes an optimized design of permanent magnet (PM) synchronous motor (PMSM) using hybrid-type PM for improving the output characteristics and reliability. Here, the hybrid-type PM is defined as using both neodymium PM (Nd-PM) and ferrit
Shaft-to-Frame Voltage Mitigation Method by Changing Winding-to-Rotor Parasitic Capacitance of IPMSM
Publikováno v:
IEEE Transactions on Industry Applications. 55:1430-1436
Common-mode voltage by switching pattern of space vector pulsewidth modulation excites parasitic capacitance coupling in interior permanent magnet synchronous motors, and it finally causes a shaft-to-frame voltage. Among all parasitic capacitances, w
Publikováno v:
2020 IEEE Energy Conversion Congress and Exposition (ECCE).
This study investigates experimental test on 8-pole 36-slot dual three-phase synchronous reluctance motor according to different two winding configurations. The characteristics of motor for the two winding configurations were analyzed by changing the
Publikováno v:
2020 International Conference on Electrical Machines (ICEM).
This study analyzes a 8-pole 36-slot dual three-phase synchronous reluctance motor, according to two different winding arrangements. First, inductance behaviors are computed by using winding function theory. Then, the torque components are analyzed c
Publikováno v:
2020 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM).
Direct drive motors are spotlighted due to their advantage, which can deliver directly the torque coming from the motors without gearboxes, belts, and so on. Especially, since rare-earth permanent magnet (PM) helps the motors have higher performance
Autor:
Chae-Lim Jeong, Jin Hur
Publikováno v:
IEEE Transactions on Magnetics. 53:1-4
This paper proposes optimization design of permanent-magnet synchronous motor (PMSM) using hybrid-type permanent magnet (PM) considering irreversible demagnetization. Here, the hybrid-type PM is defined as using both of neodymium PM (Nd-PM) and ferri
Publikováno v:
Energies
Volume 12
Issue 20
Energies, Vol 12, Iss 20, p 3887 (2019)
Volume 12
Issue 20
Energies, Vol 12, Iss 20, p 3887 (2019)
This paper presents a mitigation method of slot harmonic cogging torque considering unevenly magnetized magnets in a permanent magnet synchronous motor. In previous studies, it has been confirmed that non-uniformly magnetized permanent magnets cause
Autor:
Jin Hur, Chae-Lim Jeong
Publikováno v:
IEEE Transactions on Industry Applications. 52:3814-3821
This paper proposes a novel proposal to improve reliability of a spoke-type brushless direct current (BLDC) motor using ferrite permanent magnets (Fe-PMs) through a new design. First, the design process for a neodymium permanent magnet (Nd-PM) free s
Publikováno v:
2018 IEEE Energy Conversion Congress and Exposition (ECCE).
Common-mode voltage (CMV) by switching pattern of space vector pulse width modulation (SVPWM) excites the parasitic capacitance links in the motor and results in frame-to-shaft voltage. In addition, asymmetric magnetic fields by common-mode current (