약계자 영역에서의 PMSM의 센서리스 제어에 관한 연구

Alternative Title
kim chang soo
Author(s)
김창수
Alternative Author(s)
kim chang soo
Advisor
김영길
Department
산업대학원 정보전자공학과
Publisher
The Graduate School, Ajou University
Publication Year
2009-08
Language
kor
Keyword
약계자PMSM센서리스 제어
Alternative Abstract
Permanent magnet synchronous motor(PMSM) have been used in various applications. Position and speed detectors requied in the motor increase the drive cost, and reduce the application range. This paper presents the position sensorless vector control of a PMSM in the field weakening region. The position sensorless algorithm using an instantaneous reactive power of the PMSM is proposed. An instant reactive power can be obtained from the vector product of rotor currents and back emf of the PMSM. Back emf includes the information of rotor speed. So the estimated speed can be yielded from the voltage equation of the PMSM.
URI
https://dspace.ajou.ac.kr/handle/2018.oak/7762
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Special Graduate Schools > Graduate School of Science and Technology > Department of Information and Electronics Engineering > 3. Theses(Master)
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