Design and Development of a Simulation Model of Harmonic shunt Active Filter using SPWM Current Control Technique

Chinmay Gadre, Yash Raul, Ankit Shingne, Harshada C.Bhosale
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引用次数: 1

Abstract

Increase in the usage of power Electronic devices for different applications like SMPS, VFD's, Renewable Energy sources etc. has led to highly distorted currents in the power system. Such currents introduce harmonics in the system. These distorted currents flowing through system impedance result in distorting the voltage waveforms. Passive filters used for reducing the impact of these harmonics also affect the power system adversely. Active filtering techniques have now been widely adopted for many of the applications in order to cancel the harmonic and/or reactive components in real time and reduce the value of THD of the source current and make power factor unity. In this paper a simulation model is designed and tested in Matlab Simulink. Three single phase rectifier bridge supplying an R-L load is considered as the non-linear load. A 3- phase voltage source Inverter of 2 kVA rating is current controlled to supply the compensating current at the PCC. Significant reduction in THD of source current was obtained.
基于SPWM电流控制技术的谐波并联有源滤波器仿真模型的设计与开发
电力电子设备在SMPS, VFD,可再生能源等不同应用中的使用增加,导致电力系统中的电流高度扭曲。这样的电流在系统中引入了谐波。这些畸变电流通过系统阻抗导致电压波形畸变。用于减少这些谐波影响的无源滤波器也会对电力系统产生不利影响。为了实时消除谐波和/或无功分量,降低源电流的THD值,使功率因数统一,有源滤波技术已在许多应用中被广泛采用。本文设计了仿真模型,并在Matlab Simulink中进行了测试。三个单相整流器桥提供一个R-L负载被认为是非线性负载。一种额定值为2千伏安的三相电压源逆变器在PCC处进行电流控制以提供补偿电流。源电流的THD显著降低。
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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