2021
DOI: 10.11591/ijpeds.v12.i1.pp67-79
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Abstract: This paper aims to evaluate the performance of synchronous reluctance motors assisted by a permanent magnet (PMa-SynRM) focused on efficiency and torque pulsations. PMa-SynRM shows high efficiency and power factor, compared to induction motors (IM), although they have a greater cost. These machines develop relatively high torque ripple, cogging torque, and torque imbalances. Consequently, the electromagnetic torque is reduced, the motor temperature is increased, and mechanical vibrations are induced. The optim… Show more

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Cited by 3 publications
(6 citation statements)
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References 34 publications
(42 reference statements)
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“…The torque ripple is due to the interaction between spatial harmonics produced from the magnetomotive force in the stator and the air gap permeance. Cogging torque, on the other hand, occurs from the interaction between PM in the rotor and the stator slots [8]. It is not possible for all the orders of the harmonics to be eliminated or to be canceled out.…”
Section: B Pmasynrm Rotor Designmentioning
confidence: 99%
See 1 more Smart Citation
“…The torque ripple is due to the interaction between spatial harmonics produced from the magnetomotive force in the stator and the air gap permeance. Cogging torque, on the other hand, occurs from the interaction between PM in the rotor and the stator slots [8]. It is not possible for all the orders of the harmonics to be eliminated or to be canceled out.…”
Section: B Pmasynrm Rotor Designmentioning
confidence: 99%
“…In bibliography it can been found different ways for reducing the torque ripple. One of them refers to selecting the appropriate number of flux barriers and stator slots [8]. In this case the angle of the side air cavities must be aligned with the stator's slots.…”
Section: B Pmasynrm Rotor Designmentioning
confidence: 99%
“…To reduce a saw-shaped moment, it is possible to use semi-open grooves of the stator, which, on the one hand, reduce the uneven distribution of induction, and, on the other hand, provide an opportunity to comply with the conditions of technology for fabricating a stator winding. This approach is used in work [13], which examines the effect of the opening of the groove on the electromagnetic moment. The authors of the cited work note the significant impact of the groove shape on the energy indicators of the motor.…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%
“…The authors of the cited work note the significant impact of the groove shape on the energy indicators of the motor. However, the approach considered in [13] refers to motors of relatively low power, with a loose stator winding, for which it is possible to use closed slots. The effect of the stator gearing for the stator's explicit pole winding is considered in work [14]; its significant impact on the nature of the electromagnetic motor moment is noted [15].…”
Section: Literature Review and Problem Statementmentioning
confidence: 99%
“…On average, EMs consume approximately 53% of global electricity consumption and between 60-70% of electricity consumption in the industrial sector, representing 5.5 Gton of CO2eq emissions [1]- [3]. The EMs, since their creation in 1888 by Nikola Tesla, has been designed to operate with balanced sinusoidal voltages close to their nominal value; therefore, any deviation from the nominal voltage can cause problems in its operation [4]- [6] The most common steady-state power quality problems in distribution systems are voltage deviation, voltage unbalance, and harmonics. The voltage deviation is mainly produced by variations in the load and the incorrect selection of the connection point of the transformer (TAP) [7].…”
Section: Introductionmentioning
confidence: 99%