The Transactions of the Korean Institute of Electrical Engineers (대한전기학회논문지)
- Volume 39 Issue 4
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- Pages.349-356
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- 1990
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- 0254-4172(pISSN)
Four Quadrant Operations of DC Separately-Excited Motor by the Two Phase Chopper System with Combined Output
2상2중 쵸퍼방식에 의한 직류타여자전동기의 4상한동작
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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