A robust sensor‐less field‐oriented control of six‐phase induction motor drive with reduced common mode voltage

IF 1.8 3区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC
Krunal Shah, Rakesh Maurya
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引用次数: 0

Abstract

SummaryThis article narrates a robust sensor‐less indirect rotor field‐oriented control (IRFOC) of a six‐phase asymmetrical induction motor (SPAIM) drive with an online estimation of parameters and reduction of common mode voltage (CMV). In comparison to the conventional IRFOC technique, the proposed IRFOC provides the least CMV using modified space vector modulation (SVM). To guarantee proper operation of IRFOC, accurate estimation of rotor time constant is mandatory; any mismatch in the actual and tuned value may lead to poor performance of the IRFOC algorithm. This problem will be further accelerated with encoder‐less control using model‐based estimators. In this manuscript, the problem of simultaneous estimation of speed and machine parameters is investigated, and a model reference adaptive system (MRAS) based speed estimator accompanied by online estimation of parameters is proposed to improve sturdiness against variation of parameters. A Simulink model of the proposed method is developed and a simulation study is carried out. To validate the simulation results, a scaled prototype model of The SPAIM rated for 2 HP, 200 V is developed and encoder‐less IRFOC for the SPAIM drives is implemented using an STM32F407VG controller board. The performance of the proposed observers is tested and verified for all the possible operating conditions and results are presented.
降低共模电压的六相感应电机驱动器的鲁棒性无传感器现场导向控制
摘要 本文介绍了一种用于六相不对称感应电机(SPAIM)驱动器的鲁棒性无传感器间接转子磁场导向控制(IRFOC),该控制可在线估计参数并降低共模电压(CMV)。与传统的 IRFOC 技术相比,所提出的 IRFOC 利用改进的空间矢量调制 (SVM) 提供了最小的 CMV。为保证 IRFOC 的正常运行,必须准确估算转子时间常数;实际值与调谐值的任何不匹配都可能导致 IRFOC 算法性能低下。使用基于模型的估计器进行无编码器控制将进一步加速这一问题的解决。本手稿研究了同时估计速度和机器参数的问题,并提出了一种基于模型参考自适应系统(MRAS)的速度估计器,同时进行参数在线估计,以提高对参数变化的稳定性。开发了所提方法的 Simulink 模型,并进行了仿真研究。为验证仿真结果,开发了额定功率为 2 HP、电压为 200 V 的 SPAIM 比例原型模型,并使用 STM32F407VG 控制板为 SPAIM 驱动器实现了无编码器 IRFOC。在所有可能的运行条件下,对所提出的观测器的性能进行了测试和验证,并给出了结果。
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来源期刊
International Journal of Circuit Theory and Applications
International Journal of Circuit Theory and Applications 工程技术-工程:电子与电气
CiteScore
3.60
自引率
34.80%
发文量
277
审稿时长
4.5 months
期刊介绍: The scope of the Journal comprises all aspects of the theory and design of analog and digital circuits together with the application of the ideas and techniques of circuit theory in other fields of science and engineering. Examples of the areas covered include: Fundamental Circuit Theory together with its mathematical and computational aspects; Circuit modeling of devices; Synthesis and design of filters and active circuits; Neural networks; Nonlinear and chaotic circuits; Signal processing and VLSI; Distributed, switched and digital circuits; Power electronics; Solid state devices. Contributions to CAD and simulation are welcome.
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