Nine-level Cascaded H-Bridge Multilevel Inverter for Photovoltaic Sources Based on Hybrid Active Filter

IF 0.3 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC International Journal of Power and Energy Systems Pub Date : 2022-03-18 DOI:10.54616/ijeps/20220302

Adli Ikhwan, Tze-Zhang Ang, Mohamed Salem

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Abstract

Nowadays, a multilevel inverter is one of the important devices that provides a practical approach device in power system industries because of its features which are less switching losses, lower electromagnetic interference, reduced harmonic distortion, higher DC link voltages, and improved output voltage and current waveforms. Among all existed multilevel inverter, cascaded H-bridge multilevel inverter is the most attractive because of the technology development with megawatt power level. So, the cascaded H-bridge multilevel inverter has been tested and proven as a suitable DC/AC device for medium and high power applications such as renewable energy systems, electric vehicles, and motor drive applications. In this paper, the project is focusing on the combination of a nine-level cascaded H-bridge multilevel inverter connected to photovoltaic (PV) sources and a hybrid powerfilter. This project aims to study and to analyze the results of the proposed system. Thebehaviour and the performance of the designed system have shown that the system offered330V peak output AC voltage with an efficiency of 93.96% and a 5% reduction of THD.This project will be carried out only in Matlab/Simulink software.

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基于混合有源滤波器的九电平级联h桥多电平光伏逆变器

多电平逆变器具有开关损耗小、电磁干扰小、谐波失真小、直流链路电压高、输出电压和电流波形改善等特点，是目前电力系统工业中提供实用的进路器件之一。在现有的多电平逆变器中，级联h桥多电平逆变器由于其在兆瓦级功率水平上的技术发展而最具吸引力。因此，级联h桥多电平逆变器已经过测试并证明是适用于中大功率应用的DC/AC器件，如可再生能源系统，电动汽车和电机驱动应用。在本文中，该项目的重点是将连接光伏(PV)电源的九电平级联h桥多电平逆变器与混合电源滤波器相结合。本项目旨在研究和分析所提出的系统的结果。实验结果表明，该系统可提供330v峰值输出交流电压，效率为93.96%，THD降低5%。本项目将仅在Matlab/Simulink软件中进行。

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International Journal of Power and Energy Systems ENGINEERING, ELECTRICAL & ELECTRONIC-

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期刊介绍： First published in 1972, this journal serves a worldwide readership of power and energy professionals. As one of the premier referred publications in the field, this journal strives to be the first to explore emerging energy issues, featuring only papers of the highest scientific merit. The subject areas of this journal include power transmission, distribution and generation, electric power quality, education, energy development, competition and regulation, power electronics, communication, electric machinery, power engineering systems, protection, reliability and security, energy management systems and supervisory control, economics, dispatching and scheduling, energy systems modelling and simulation, alternative energy sources, policy and planning.