TY - GEN
T1 - Detection of demagnetization in permanent magnet synchronous machines using hall-effect sensors
AU - Reigosa, David
AU - Fernández, Daniel
AU - Park, Yonghyun
AU - Diez, Alberto B.
AU - Lee, Sang Bin
AU - Briz, Fernando
N1 - Funding Information:
This work was supported in part by Spanish Ministry of Education, Culture and Sports through “José Castillejo Program” under grant PX15/00354, by Regional Ministry of Education, Culture and Sport of the Principality of Asturias through “Severo Ochoa Program” under Grant BP-13067 and by the Research, Technological Development and Innovation Programs of the Spanish Ministry Economy and Competitiveness, under grant MINECO-17-ENE2016-80047-R.
Funding Information:
This work was supported in part by Spanish Ministry of Education, Culture and Sports through ?Jos? Castillejo Program? under grant PX15/00354, by Regional Ministry of Education, Culture and Sport of the Principality of Asturias through ?Severo Ochoa Program? under Grant BP-13067 and by the Research, Technological Development and Innovation Programs of the Spanish Ministry Economy and Competitiveness, under grant MINECO-17-ENE2016-80047-R.
Publisher Copyright:
� 2017 IEEE.
PY - 2017/11/3
Y1 - 2017/11/3
N2 - Torque production capability of permanent magnet synchronous machines (PMSMs) depends on the magnetization state of the permanent magnets (PMs). Electrical stress, thermal stress, or the combined effect of both can produce demagnetization of the PMs, which eventually can result in several adverse effects including decrease in the motor torque and efficiency, and increase of the torque ripple and vibration, eventually degrading the performance and reliability of the motor and drive system. A number of approaches have been proposed for detecting PM demagnetization using model-based flux estimation, signal injection, spectrum analysis of current/back-EMF; however, all these methods show limitations in terms of invasiveness, implementation cost and/or reliability of the diagnosis. In this paper, accurate PM demagnetization detection based on measurements from hall-effect sensors is proposed. Such sensors are often mounted in commercial PMSMs, the proposed method can therefore be implemented at practically no cost.
AB - Torque production capability of permanent magnet synchronous machines (PMSMs) depends on the magnetization state of the permanent magnets (PMs). Electrical stress, thermal stress, or the combined effect of both can produce demagnetization of the PMs, which eventually can result in several adverse effects including decrease in the motor torque and efficiency, and increase of the torque ripple and vibration, eventually degrading the performance and reliability of the motor and drive system. A number of approaches have been proposed for detecting PM demagnetization using model-based flux estimation, signal injection, spectrum analysis of current/back-EMF; however, all these methods show limitations in terms of invasiveness, implementation cost and/or reliability of the diagnosis. In this paper, accurate PM demagnetization detection based on measurements from hall-effect sensors is proposed. Such sensors are often mounted in commercial PMSMs, the proposed method can therefore be implemented at practically no cost.
KW - Demagnetization
KW - Hall-effect sensors
KW - Magnetization state estimation
KW - Permanent magnet synchronous machines
UR - http://www.scopus.com/inward/record.url?scp=85041471165&partnerID=8YFLogxK
U2 - 10.1109/ECCE.2017.8096799
DO - 10.1109/ECCE.2017.8096799
M3 - Conference contribution
AN - SCOPUS:85041471165
T3 - 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017
SP - 4686
EP - 4693
BT - 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017
Y2 - 1 October 2017 through 5 October 2017
ER -
