一种新的基于电压校正函数的SVPWM过调制技术

2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG) Pub Date : 2012-06-25 DOI:10.1109/PEDG.2012.6254076

I. C. Vasilios, M. Nikolaos

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引用次数: 8

摘要

本文提出了一种新的空间矢量脉宽调制(SVPWM)策略，用于电压源逆变器(VSI)的电压调节，使其能够从线性调制连续过渡到六步调制模式。过调制操作是基于一种修正函数方法，对VSI输出电压的幅值和相位角进行适当的修正。通过对逆变器电压和电机电流的频率分析，探讨了该方法的评估，以便能够评估驱动系统可能产生的影响。仿真结果表明，所提出的SVPWM过调制算法通过Matlab/Simulink应用于凸极同步电机的无传感器速度控制中是有效的。

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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A novel SVPWM Overmodulation technique based on voltage correcting function

This paper presents a new Space Vector Pulse Width Modulation (SVPWM) strategy for voltage regulation of a Voltage Source Inverter (VSI) enabling the continuous transition from the linear modulation to the six-step mode. Overmodulation operation is based on a correcting function method modifying properly the amplitude and the phase angle of the VSI output voltage. The evaluation of the method is explored via frequency analysis of the inverter voltage and motor currents in order to be able to evaluate the possible impact of the drive system. Simulation results demonstrate the effectiveness of the proposed SVPWM Overmodulation algorithm applied on sensorless speed control of a salient-pole Synchronous Machine (SM) via Matlab/Simulink utility.

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2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG)

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