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Some considerations on torque ripple suppression in reluctance motors
Author(s) -
Kosaka Takashi,
Matsui Nobuyuki,
Taniguchi YoIchi,
Domeki Hideo
Publication year - 2000
Publication title -
electrical engineering in japan
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.136
H-Index - 28
eISSN - 1520-6416
pISSN - 0424-7760
DOI - 10.1002/(sici)1520-6416(200001)130:1<118::aid-eej14>3.0.co;2-w
Subject(s) - torque ripple , switched reluctance motor , harmonics , reluctance motor , inductance , ripple , control theory (sociology) , rotor (electric) , stall torque , direct torque control , torque , noise (video) , compensation (psychology) , engineering , computer science , physics , electrical engineering , induction motor , voltage , psychology , psychoanalysis , control (management) , artificial intelligence , image (mathematics) , thermodynamics
Abstract Although the reluctance motors are attractive from the standpoints of simple construction and drive electronics, the relatively high torque ripple and acoustic noise are major drawbacks. These drawbacks limit motor applications. In this paper, the torque ripple suppression of the reluctance motor under the sinusoidal current drive is examined. The analysis shows that the torque ripple is caused by the spatial harmonics of inductance. One approach is based on the compensation current generated with the spatial harmonics of inductance. Another is based on the modification of rotor tooth configuration to eliminate the spatial harmonics. According to the proposed strategies, torque ripple suppression characteristics can be evaluated at the design stage of the motor. Both approaches have been verified by experiments. © 1999 Scripta Technica, Electr Eng Jpn, 130(1): 118–128, 2000