Analysis of Total Harmonic Distortion of Three-Phase Induction Motor Drive for Different PWM Techniques

2022 Third International Conference on Intelligent Computing Instrumentation and Control Technologies (ICICICT) Pub Date : 2022-08-11 DOI:10.1109/ICICICT54557.2022.9917623

Bashir N. Jamadar, Balasaheb B. Vhankhande, D. S. Sutrave

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Abstract

Over the past few decades, induction motor has become a reliable choice in the industrial field as an electromechanical device. The inherent characteristics of an induction motor make it convenient, efficient and popular option among industrial applications. With the development of power electronic devices and power converters, it has become possible to control the speed of induction motor smoothly. Although these converters are capable of providing more flexible speed control, they also cause some technical hitches such as distorted current and voltage waveforms, increasing losses, pulsating torque etc. These are mainly due to harmonic contents added in voltage and current waveforms. Therefore, it is necessary to analyze such problems while designing efficient electric drive. This paper mainly deals with an investigation and analysis of harmonic profile executed by three-phase voltage source inverter for different PWM using Fast Fourier Transform (FFT) through MATLAB/Simulink.

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不同PWM技术下三相感应电动机驱动的总谐波畸变分析

在过去的几十年里，感应电动机作为一种机电设备已成为工业领域可靠的选择。感应电动机的固有特性使其在工业应用中方便、高效和受欢迎。随着电力电子器件和功率变换器的发展，对异步电动机的转速进行平稳控制已成为可能。虽然这些变换器能够提供更灵活的速度控制，但它们也会引起一些技术问题，例如电流和电压波形失真，损耗增加，脉动转矩等。这主要是由于电压和电流波形中加入了谐波成分。因此，在设计高效电驱动时，有必要对这些问题进行分析。本文主要通过MATLAB/Simulink对三相电压源逆变器采用快速傅立叶变换(Fast Fourier Transform, FFT)处理不同PWM时的谐波分布进行了研究和分析。

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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2022 Third International Conference on Intelligent Computing Instrumentation and Control Technologies (ICICICT)

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