Proceedings of the KIEE Conference (대한전기학회:학술대회논문집)

The Korean Institute of Electrical Engineers (대한전기학회)
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Dosing of Inductor Electronic Starting Switch of Single Phase Induction Motor

단상유도전동기의 인덕터 전자식 기동기 설계

  • Seo, K.S. (Dept. of Electrical Eng. Chosun University) ;
  • Park, S.K. (Dept. of Electrical Eng. Chosun University) ;
  • Park, J.W. (Dept. of Electrical Eng. Chosun University) ;
  • Park, J.H. (Dept. of Electrical Eng. Chosun University) ;
  • Cho, G.B. (Dept. of Electrical Eng. Chosun University) ;
  • Baek, H.L. (Dept. of Electrical Eng. Chosun University)
  • 서강성 (조선대학교 전기공학과) ;
  • 박수강 (조선대학교 전기공학과) ;
  • 박제웅 (조선대학교 전기공학과) ;
  • 박진형 (조선대학교 전기공학과) ;
  • 조금배 (조선대학교 전기공학과) ;
  • 백형래 (조선대학교 전기공학과)
  • Published : 2002.11.14
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Abstract

Fractional horse power single phase induction motors have no starting torque their own. So there are several ways of starting single phase induction motors. The most common type is the starting capacitor installed in series with the auxiliary winding to increase the starting torque. Also, the auxiliary winding is disconnected once the speed of the motor reaches 70 to 80 [%] of the rated speed. In the conventional systems, this function is conducted by a centrifugal switch. But the mechanical centrifugal switch has many problems such as switch malfunction. This paper presents the new methods of electronic starting switch by inductor to overcome these shortcomings of centrifugal switch.

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