Enhanced control of the torque ripple in a PMSM drive with variable switching frequency

Ramirez, Fernando; Pacas, Mario

doi:10.23919/epe17ecceeurope.2017.8099191

Cited by 4 publications

(2 citation statements)

References 9 publications

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“…Some scholars use the control method of variable switching frequency, which mainly aims to reduce switching loss and torque fluctuation. However, because the switching frequency is not fixed, it often affects the harmonic content of stator current and the dynamic performance of the system [21][22][23]. In [24], an exact model of surface-mounted PMSM in stationary two-phase frame has been built for the low carrier wave ratio condition with a moving horizon estimator.…”

Section: Introductionmentioning

confidence: 99%

A novel deadbeat predictive current control of permanent magnet synchronous motor based on oversampling scheme

Wang

Xie

Jin

et al. 2021

IET Electric Power Appl

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When the speed of permanent magnet motor is relatively high, the fundamental frequency of stator voltage and current will rise. However, due to the limitation of switching frequency of power electronic devices, the switching times of power devices will be greatly reduced in a fundamental cycle of stator voltage. For the traditional control method with constant switching frequency mode, the control algorithm is executed only once in a carrier wave cycle, which will result in a low control frequency operating condition for the PMSM control system. At this time, the dynamic and steady-state control performance of stator current will be decreased. In response to above problem, this paper proposed a deadbeat predictive current control method based on oversampling scheme, which the core algorithm of current loop operated four times and updated the PWM duty twice in one switching cycle. The number of control times of the proposed method is greater than that of the conventional method when the conventional deadbeat method and the proposed method adopt the same switching cycle. Therefore, the control method does not increase the switching frequency of power devices, but improves the dynamic and stable performance of the system, especially under the highspeed condition.This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Section: Introductionmentioning

confidence: 99%

A novel deadbeat predictive current control of permanent magnet synchronous motor based on oversampling scheme

Wang

Xie

Jin

et al. 2021

IET Electric Power Appl

View full text Add to dashboard Cite

show abstract

“…Reference [13] uses the speed harmonic by a proper injection of current harmonics into the motor for the direct calculation of maximum torque per ampere angle. Variable frequency methods are also addressed in some works [14]. The advantages of using instantaneous voltage control technique for torque ripple reduction in PMSM are discussed in [15].…”

Section: Introductionmentioning

confidence: 99%

A Novel Harmonic Current Control Algorithm

Ebrahimi¹

2018

Preprint

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This paper presents a novel control algorithm forhigh-torque low-speed permanent magnet synchronous motorsfor direct drive applications. A new induced voltage basedformulation of the electromagnetic torque is developed and anovel current control algorithm is designed to reduce the torqueripples which are originated from the flux harmonics. Aprototype motor with relatively high induced voltage harmonicsis designed and constructed and the experiment results of theHarmonic control algorithm are compared to the results of aconventional Field Oriented Control.

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A Novel Harmonic Current Control Algorithm for Torque Ripple Reduction of Permanent Magnet Synchronous Motors for Traction Application

Ebrahimi

2018

2018 IEEE International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles &Amp; Interna

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Enhanced control of the torque ripple in a PMSM drive with variable switching frequency

Cited by 4 publications

References 9 publications

A novel deadbeat predictive current control of permanent magnet synchronous motor based on oversampling scheme

A novel deadbeat predictive current control of permanent magnet synchronous motor based on oversampling scheme

A Novel Harmonic Current Control Algorithm

A Novel Harmonic Current Control Algorithm for Torque Ripple Reduction of Permanent Magnet Synchronous Motors for Traction Application

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