Torque Ripple Minimization Control Strategy in Synchronous Reluctance Machines

Torque smoothness is an essential requirement for high-performance motor drive applications. Synchronous reluctance machines (SyRM) have high torque ripple due to non-linear magnetic circuit and saturation. Typically, in Permanent magnet machines the active torque ripple compensation is achieved by...

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Main Authors: Anant K Singh, Ramakrishnan Raja, Tomy Sebastian, Kaushik Rajashekara
Format: Article
Language:English
Published: IEEE 2022-01-01
Series:IEEE Open Journal of Industry Applications
Subjects:
Online Access:https://ieeexplore.ieee.org/document/9829907/
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author Anant K Singh
Ramakrishnan Raja
Tomy Sebastian
Kaushik Rajashekara
author_facet Anant K Singh
Ramakrishnan Raja
Tomy Sebastian
Kaushik Rajashekara
author_sort Anant K Singh
collection DOAJ
description Torque smoothness is an essential requirement for high-performance motor drive applications. Synchronous reluctance machines (SyRM) have high torque ripple due to non-linear magnetic circuit and saturation. Typically, in Permanent magnet machines the active torque ripple compensation is achieved by injecting a compensating ripple current in the <italic>q-axis</italic>. For SyRM, the current injection method for active torque ripple cancellation can be used in both the <italic>d-axis</italic> and <italic>q-axis</italic>. However, the saturation of the motor parameters with the changing current can result in varied performance between the two methods. This paper evaluates the effectiveness of both of these methods for torque ripple cancellation. For evaluation, the impact of parameter saturation with ripple current injection on the <italic>d-axis</italic> and the <italic>q-axis</italic> is studied. The mathematical conclusions obtained are evaluated by both the simulation and the experimental results performed on a 4 pole 1200W Synchronous reluctance machine.
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spelling doaj.art-98c9939e28cb47eb8bb1ecd1143fe7582022-12-22T00:58:42ZengIEEEIEEE Open Journal of Industry Applications2644-12412022-01-01314115110.1109/OJIA.2022.31909059829907Torque Ripple Minimization Control Strategy in Synchronous Reluctance MachinesAnant K Singh0https://orcid.org/0000-0003-1749-5794Ramakrishnan Raja1https://orcid.org/0000-0001-6609-2532Tomy Sebastian2https://orcid.org/0000-0003-0186-8680Kaushik Rajashekara3https://orcid.org/0000-0001-8839-4187Halla Mechatronics, Bay City, MI, USAHalla Mechatronics, Bay City, MI, USAHalla Mechatronics, Bay City, MI, USAUniversity of Houston, Houston, TX, USATorque smoothness is an essential requirement for high-performance motor drive applications. Synchronous reluctance machines (SyRM) have high torque ripple due to non-linear magnetic circuit and saturation. Typically, in Permanent magnet machines the active torque ripple compensation is achieved by injecting a compensating ripple current in the <italic>q-axis</italic>. For SyRM, the current injection method for active torque ripple cancellation can be used in both the <italic>d-axis</italic> and <italic>q-axis</italic>. However, the saturation of the motor parameters with the changing current can result in varied performance between the two methods. This paper evaluates the effectiveness of both of these methods for torque ripple cancellation. For evaluation, the impact of parameter saturation with ripple current injection on the <italic>d-axis</italic> and the <italic>q-axis</italic> is studied. The mathematical conclusions obtained are evaluated by both the simulation and the experimental results performed on a 4 pole 1200W Synchronous reluctance machine.https://ieeexplore.ieee.org/document/9829907/Active torque ripple compensationmotor controlsynchronous reluctance machinetorque ripple
spellingShingle Anant K Singh
Ramakrishnan Raja
Tomy Sebastian
Kaushik Rajashekara
Torque Ripple Minimization Control Strategy in Synchronous Reluctance Machines
IEEE Open Journal of Industry Applications
Active torque ripple compensation
motor control
synchronous reluctance machine
torque ripple
title Torque Ripple Minimization Control Strategy in Synchronous Reluctance Machines
title_full Torque Ripple Minimization Control Strategy in Synchronous Reluctance Machines
title_fullStr Torque Ripple Minimization Control Strategy in Synchronous Reluctance Machines
title_full_unstemmed Torque Ripple Minimization Control Strategy in Synchronous Reluctance Machines
title_short Torque Ripple Minimization Control Strategy in Synchronous Reluctance Machines
title_sort torque ripple minimization control strategy in synchronous reluctance machines
topic Active torque ripple compensation
motor control
synchronous reluctance machine
torque ripple
url https://ieeexplore.ieee.org/document/9829907/
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AT ramakrishnanraja torquerippleminimizationcontrolstrategyinsynchronousreluctancemachines
AT tomysebastian torquerippleminimizationcontrolstrategyinsynchronousreluctancemachines
AT kaushikrajashekara torquerippleminimizationcontrolstrategyinsynchronousreluctancemachines