The Transactions of the Korean Institute of Electrical Engineers (대한전기학회논문지)

The Korean Institute of Electrical Engineers (대한전기학회)
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Four Quadrant Operations of DC Separately-Excited Motor by the Two Phase Chopper System with Combined Output

2상2중 쵸퍼방식에 의한 직류타여자전동기의 4상한동작

  • 정연택 (명지대 공대 전기공학과) ;
  • 한경희 (명지대 공대 전기공학과) ;
  • 김용주 (동양공전 전기과) ;
  • 이승환 (충남전문대, 명지대 대학원 전기공학과) ;
  • 방이석 (명지대 대학원 전기공학과)
  • Published : 1990.04.01
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Abstract

In order to control DC motors for electric cars by chopper system, four quadrant operations - forward powering, forward regenerative braking, reverse powering, reverse regenerative braking - are needed. For the four quadrant operations, the separately - excited DC motors are used in this study. The conversion of each quadrant operation has been obtained by 1) adopting the two phase chopper system with combined output for the armature control, and 2) the single phase chopper system for the field control.

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