Design and Development of Low Torque Ripple Variable-Speed Drive System With Six-Phase Switched Reluctance Motors

Deng, Xu; Mecrow, B.C.; Wu, Haimeng; Martin, Richard A.

doi:10.1109/tec.2017.2753286

Cited by 74 publications

(35 citation statements)

References 34 publications

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“…With the constant torque of 19.3 N·m, from 50 to 1000 rpm, the SRM works in the constant torque area, because in this area, the power of the SRM does not achieve its highest value (power rating), the speed can increase with the constant load. The power of the SRM increases with the increasing speed, after the point of N = 1000 rpm, the highest power is achieved, and then keeps constant with the increasing speed, as the result, the torque decreases [21].…”

Section: Influence Of the Speed And The Loadmentioning

confidence: 95%

Controlling a Switched Reluctance Motor with a Conventional Three-Phase Bridge Instead of Asymmetric H-Bridges

et al. 2018

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This paper proposes a new driving method for switched reluctance motors (SRMs) using the standard full-bridge inverter. In spite of changing the internal structure of an SRM, the proposed method uses an extra ring structure circuit to make it possible for the inverter to drive the SRM. Next to the standard converter, a controllable DC source is needed. With theoretical analysis and calculation, the reference value of the circulating current in the ring structure was determined and the new method was proven via simulation. A comparison was made with the conventional method for driving an SRM: the asymmetric H-bridges. Also, the current studies were then made to confirm that the SRM could be controlled without lowering the performance of the machine. Experimental verification was also made under different conditions, as well as comparison with the simulation results.

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Section: Influence Of the Speed And The Loadmentioning

confidence: 95%

Controlling a Switched Reluctance Motor with a Conventional Three-Phase Bridge Instead of Asymmetric H-Bridges

et al. 2018

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“…al. [17] has established a control method for controlling the torque ripple using sixphase SRM drives. By regulating the rotational speed of the stator flux linkage, a constant instantaneous torque was obtained.…”

Section: Recent Research Work: a Brief Reviewmentioning

confidence: 99%

Torque Ripple Minimization in Switch Reluctance Motor Drives: an ANFACO Based Control

Chaple¹,

Bodkhe²,

Daigavane³

2018

IJIES

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Abstract:In this paper, the torque ripples in the switched reluctance motor (SRM) is constrained by utilizing an Ant Colony Optimization and an Adaptive Neuro Fuzzy Inference System (ANFACO). The control scheme is utilized for the simultaneous control of the speed and current of the SRM which fuses two controlling loops of PI controller. The external loop is governed for speed control and the internal loops is governed for current control despite the ideal decision of the turn on and turn off switching angles. With respect to, for instance, speed, current, inductance and torque, the dynamic behavior of the SRM is examined to control the speed and current which restrict the torque ripple. The gain parameters of the PI controller are ideally made as the dataset by the ant colony optimization (ACO) algorithm. The created dataset is passed to the adaptive neuro fuzzy inference system (ANFIS) for the error prediction. By then, the proposed framework is executed in the MATLAB/Simulink working stage. The execution of the proposed method is affirmed by differentiating and the current systems like ant lion optimization (ALO), non dominating sorting search algorithm (NSGA-II) and combined moth flame optimization and genetic algorithm with recurrent neural network (CMFG-RNN) procedures.

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“…In addition, without permanent magnets or field windings on the rotor, they are particularly suitable for harsh environment operations such as high speed and high temperature. Due to these significant advantages, SRMs have attracted increasing interest in electric vehicles, aerospace and other safety-critical applications [1]- [2]. However, the doubly salient structure together with the special rectangular wave current supply cause high torque ripple, high vibrations and acoustic noise compared with other types of machines.…”

Section: Introductionmentioning

confidence: 99%

Investigation on Contribution of Inductance Harmonics to Torque Production in Multiphase Doubly Salient Synchronous Reluctance Machines

Zhang

Zhu

et al. 2019

IEEE Trans. Magn.

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including the URL of the record and the reason for the withdrawal request.Abstract-This paper investigates the contribution of each order inductance harmonic to the torque (both average torque and torque ripple) of multiphase doubly salient synchronous reluctance machines (DS-SRMs). Such machines are similar to switched reluctance machines but supplied with sinewave currents. The investigations in this paper are as follows: first, a general analytical torque model based on Fourier Series analysis of inductances has been built for machines with different phase numbers, slot/pole number combinations and also winding configurations. The instantaneous torque for DS-SRMs with any given phase number can then be accurately predicted. Using such model, contribution of each order inductance harmonic to torque can be investigated separately. It is found that the torque ripple frequency of the DS-SRM only depends on phase number. For example, for a m-phase machine, there will be m×k th order torque ripple if , where m is phase number and k is a natural number. This study also explains why certain phase numbers inherently produce lower torque ripple than others. The findings in this paper provide a future direction for potential torque ripple reduction methods either from machine design or advanced control. The simulations have been validated by experiments using a 6-phase DS-SRMs.Index Terms-Doubly-salient, multiphase machine, synchronous reluctance machine, torque harmonic.

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Design and Development of Low Torque Ripple Variable-Speed Drive System With Six-Phase Switched Reluctance Motors

Cited by 74 publications

References 34 publications

Controlling a Switched Reluctance Motor with a Conventional Three-Phase Bridge Instead of Asymmetric H-Bridges

Controlling a Switched Reluctance Motor with a Conventional Three-Phase Bridge Instead of Asymmetric H-Bridges

Torque Ripple Minimization in Switch Reluctance Motor Drives: an ANFACO Based Control

Investigation on Contribution of Inductance Harmonics to Torque Production in Multiphase Doubly Salient Synchronous Reluctance Machines

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