특성 전류의 변화를 반영한 매입형 영구자석 동기전동기의약계자 제어 알고리즘 개발
Flux-Weakening control algorithm for an IPMSM drive reflecting the Characteristic Current Variations
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참고문헌
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초록
본 논문은 특성 전류의 크기를 반영한 PMSM(Permanent Magnet Synchronous Motor) 드라이브의 약계자 제어 알고리즘을제시한다. 변화한 영구자석 쇄교 자석의 비율을 계산하기 위해 고정자 쇄교 자속 관측기를 활용하였다. 계산된 영구자석 쇄교 자속의 비율로 특성 전류의 크기가 간접적으로 계산된다. 계산된 영구자석 쇄교 자속은 3D Look-up talbe(LUT)를 통해 IPMSM(Interior Permanent Magnet Synchronous Motor)의 MTPV(Maximum Torque Per Voltage)제어 사용 여부를 결정한다. 제안된 약계자 제어 방식은 시뮬레이션을 통해 검증된다.
Abstract
This paper presents a flux-weakening control algorithm for Permanent Magnet Synchronous Motor (PMSM) drivesthat reflects the magnitude of the characteristic current. A stator flux linkage observer is utilized to calculate thevarying ratio of permanent magnet(PM) flux linkage. The characteristic current magnitude is indirectly calculatedusing the ratio of the calculated PM flux linkage. The calculated PM flux linkage is used to determine the applicationof Maximum Torque Per Voltage (MTPV) control for the IPMSM(Interior Permanent Magnet Synchronous Motor)through a 3D Look-Up Table(LUT). The proposed flux-weakening control method is validated through simulations.
참고문헌 (10)
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