The Proceedings of the Korean Institute of Illuminating and Electrical Installation Engineers (한국조명전기설비학회지:조명전기설비)

The Korean Institute of IIIuminating and Electrical Installation Engineers (한국조명전기설비학회)
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Implementation of a Vector Control System of CRPWM Inverter Fed Induction Motor

CRPWM 인버터로 구동되는 유도전동기의 벡터제어 시스템 구현

  • Published : 1996.06.01
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Abstract

In this paper, a vector control system is implemented to drive CRPWM inverter fed induction motor. The rotor flux is estimated using the rotor coordinates flux model and the stator coordinates ramp comparison controller is used as a current controller. The microcontroller 80C196 is used for the computation of the estimation of the rotor flux, the speed controller, the flux controller, the vector rotation, and the phase transformation The current controller is implemented using the analog circuit in order to reduce the burden of the microcontroller. For the proposed system, the digital simulation is performed to examine the feasibility and the superior characteristics of the current controller and the system transient response is verified through the experiment.

본 논문에서는 CRPWM 인버터로 구동되는 유동전동기의 벡터젝어를 구현하였다. 회전자자속은 회전자 좌표계 자속모델을 이용하여 추정하였으며 전류제어기는 고정좌표계 삼각파 비교 제어기를 사용하였다. 회전자자속의 추정, 속도제어기, 자속제어기, 벡터회전, 상 변화 등의 연산은 80C196 마이크로 콘트롤러를 사용하여 실시간 제어를 하였으며 전류 제어기는 마이크로 콘트롤러의 처리부담을 덜어주기 위해 아날로그회로로 구현하였다. 제안한 시스템에 대하여 시뮬레이션을 통하여 타당성을 검토하였으며 실험을 통하여 전류제어 특성과 시스템의 과도 응답 특성이 우수함을 보였다.

Keywords

References

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