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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2010.10
- 수록면
- 1,209 - 1,213 (5page)
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초록· 키워드
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Three-level inverters and relative techniques have been concerned more and more in industrial drive applications because of the outstanding performance. The aim of this paper is
to present a strategy for the sensorless vector control of Permanent Magnet Synchronous Motor (PMSM) drive fed with a three-level Neutral-Point-Clamped (NPC) inverter. By measuring the different current change rates which are caused by the voltage vectors applied to the motor by the Space Vector Modulation (SVM) scheme for three-level inverter, signals that contain the information of rotor position are obtained. Therefore, the rotor angle can be calculated. Since none of any prior knowledge of the PMSM parameters is used, the position estimation accuracy is not affected by the parameters variation or measurement error. Furthermore, taking advantages of the three-level voltage inverter, the ripples of torque as well as the harmonics of the phase voltages are significantly reduced. The simulation results demonstrate that the proposed strategy is effective and this system operates well over a wide speed range.
to present a strategy for the sensorless vector control of Permanent Magnet Synchronous Motor (PMSM) drive fed with a three-level Neutral-Point-Clamped (NPC) inverter. By measuring the different current change rates which are caused by the voltage vectors applied to the motor by the Space Vector Modulation (SVM) scheme for three-level inverter, signals that contain the information of rotor position are obtained. Therefore, the rotor angle can be calculated. Since none of any prior knowledge of the PMSM parameters is used, the position estimation accuracy is not affected by the parameters variation or measurement error. Furthermore, taking advantages of the three-level voltage inverter, the ripples of torque as well as the harmonics of the phase voltages are significantly reduced. The simulation results demonstrate that the proposed strategy is effective and this system operates well over a wide speed range.
목차
Abstract
I. INTRODUCTION
II. SENSORLESS VECTOR CONTROL OF PMSM DRIVES
III. SIMULATION AND DISSCUSSION
IV. CONCLUSIONS
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2014-569-000939087