Journal of Electrical Engineering and Technology

The Korean Institute of Electrical Engineers (대한전기학회)
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Design of Self-Starting Hybrid Axial Flux Permanent Magnet Synchronous Motor Connected Directly to Line

  • Eker, Mustafa (Faculty of Engineering and Natural Sciences, Gaziosmanpasa University) ;
  • Akar, Mehmet (Dept. of Mechatronics Engineering, Gaziosmanpasa University) ;
  • Emeksiz, Cem (Faculty of Engineering and Natural Sciences, Gaziosmanpasa University) ;
  • Dogan, Zafer (Faculty of Engineering and Natural Sciences, Gaziosmanpasa University) ;
  • Fenercioglu, Ahmet (Faculty of Engineering and Natural Sciences, Gaziosmanpasa University)
  • Received : 2017.11.21
  • Accepted : 2018.03.27
  • Published : 2018.09.01
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Abstract

In view of the current state of the reserves of electric energy generated resources and the share of electric motors in electricity consumption, many researches and studies related to efficiency in electric motors are being made. The presented work is related to the Axial Flux Permanent Magnet Synchronous Motor (AF-PMSM), which has recently undergone significant work based on the development of magnet and motor technology. In this study, a novel AF-PMSM was designed analytically through Finite Element Method (FEM) which can be started by connecting to a line such as an asynchronous motor in a transient state and can operate with high efficiency and power factor after synchronization in steady state without the need for an expensive motor drive. According to the obtained FEM results, a design with an efficiency class of IE4 of 5.5 kW shaft power, a 4 poles motor was obtained. As a result, economic calculations indicate that the extra cost of the designed Line start AF-PMSM with respect to the asynchronous motor is rapidly compensated by energy saving due to a more efficient operation, especially constant speed operations. As a result of the analysis obtained, the targeted values are reached. For induction motors and radial flux permanent magnet synchronous motors, a good alternative motor that can operate with high efficiency and power factor has been obtained.

Keywords

References

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