Three-Phase Induction Motor Drive System with Function of Harmonic Current Injection for Non-Linear Load

2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON) Pub Date : 2020-06-01 DOI:10.1109/ECTI-CON49241.2020.9158261

Navee Rujidam, W. Piyarat

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引用次数: 1

Abstract

This paper introduces three-phase induction motor drive system with function of harmonic current injection for non-linear load using Matlab/Simulink. The drive system consists of two converters. A single-phase grid-connected converter which is the first converter in the drive system is regulated by PI controller of DC-link voltage control loop, and switched by hysteresis control. Moreover, the converter is able to generate harmonic current to eliminate harmonic current in grid with harmonic detection algorithm. The other is three-phase three-leg voltage source inverter for three-phase induction motor drive controlled with close loop V/F speed control. The simulation results revealed that the motor could keep speed constant rated speed, having been taken rated load torque at 10 Nm. Furthermore, the grid converter could keep DC-link voltage constant at 540 V for rated voltage of the motor, improved grid current waveform being like sinusoidal waveform and eliminated harmonic of grid current.

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非线性负载下具有谐波电流注入功能的三相感应电机驱动系统

本文利用Matlab/Simulink开发了具有谐波电流注入功能的非线性负载三相感应电动机驱动系统。驱动系统由两个变换器组成。单相并网变换器是驱动系统中的第一个变换器，由直流电压控制回路的PI控制器进行调节，并通过磁滞控制进行开关。通过谐波检测算法，使变流器产生谐波电流，消除电网中的谐波电流。另一种是三相三腿电压源逆变器，用于三相感应电动机驱动，采用闭环V/F调速控制。仿真结果表明，在额定负载转矩为10 Nm时，电机可以保持额定转速不变。在电机额定电压下，栅极变换器使直流电压保持在540v，改善了栅极电流波形的正弦波性，消除了栅极电流谐波。

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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2020 17th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology (ECTI-CON)

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