Field oriented control of an open end winding induction machine with zero common mode voltage

2017 National Power Electronics Conference (NPEC) Pub Date : 2017-12-01 DOI:10.1109/npec.2017.8310484

M. Surya Prakash, S. Srinivas

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引用次数: 3

Abstract

Dual two-level inverter and the open-end winding induction motor (OEWIM) drive arrangement offers the flexibility to generate multilevel voltage phasor across the stator windings of the motor. In this paper, a current controller based field oriented control (FOC) method for speed control of OEWIM is proposed. By exploring various available switching combinations of the dual-inverter, several combinations are thoughtfully selected and exploited in this work that allows complete common mode voltage (CMV) elimination in the motor drive. The control structure of the proposed FOC with CMV elimination is greatly simplified as it uses simple two-level hysteresis bang-bang controllers for the control of the dual inverter system thus making the control simple to understand and easy to implement. With the proposed FOC method of OEWIM, the torque dynamics are improved. The performance of the closed loop speed control of the OEWIM drive is thoroughly analyzed and tested with the use of the proposed FOC method using MATLAB-Simulink. The ruggedness of the proposed FOC control is demonstrated under starting, load change and speed reversal conditions, to validate the proposition.

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零共模电压开端绕组感应电机的磁场定向控制

双双电平逆变器和开放式绕组感应电动机(OEWIM)驱动安排提供了灵活性，以产生跨电机定子绕组的多电平电压相量。本文提出了一种基于电流控制器的面向场控制(FOC)方法，用于OEWIM的速度控制。通过探索双逆变器的各种可用开关组合，我们精心选择了几种组合，并在本工作中加以利用，从而完全消除了电机驱动中的共模电压(CMV)。本文提出的消CMV的FOC控制结构大大简化，采用简单的两级滞回砰砰控制器对双逆变器系统进行控制，使控制简单易懂，易于实现。利用所提出的OEWIM的FOC方法，改进了转矩动力学特性。在MATLAB-Simulink中，利用所提出的FOC方法对OEWIM驱动器的闭环速度控制性能进行了全面的分析和测试。在起动、负载变化和速度反转条件下，验证了所提FOC控制的稳健性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 National Power Electronics Conference (NPEC)

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