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논문 기본 정보

자료유형
학술대회자료
저자정보
Yongsu Han (Myongji University) Byung Ryang Park (Seoul National University) Gyu Cheol Lim (Seoul National University) Jung-Ik Ha (Seoul National University)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2023-ECCE Asia
발행연도
2023.5
수록면
2,775 - 2,781 (7page)

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초록· 키워드

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This paper analyzes errors in the reconstructed current and injected voltage, when the saliency-based sensorless control is applied to the single shunt drive system (SDS), and proposes the methods to reduce the errors and improve the position estimation performance without predictive concept. Two methods of injection voltage modification for improving the performance of the sensorless control in SDS are presented, which include the pulsating voltage injection and the rotational voltage injection, respectively. Since the proposed methods do not apply the current prediction based on the motor voltage model, errors may exist compared to the existing prediction methods, but the calculation process for the sensorless control is considerably simple and the performance is not affected by the motor parameter errors. To verify the feasibility, the simulation and experimental results are presented about the saliency-based sensorless control with SDS in interior permanent magnet motor (IPMM) drives.

목차

Abstract
I. INTRODUCTION
II. ESTIMATION ERRORS OF HIGH FREQUENCY VOLTAGE INJECTION BASED SENSORLESS CONTROL DUE TO HF VOLTAGE INJECTION IN SINGLE SHUNT DRIVE SYSTEM
III. PROPOSED INJECTION VOLTAGE MODIFICATION METHOD
IV. EXPERIMENTAL RESULTS
V. CONCLUSIONS
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