基于双绕组多抽头变压器的九电平逆变器性能分析与比较评价

2019 International Conference on Power Electronics, Control and Automation (ICPECA) Pub Date : 2019-11-01 DOI:10.1109/ICPECA47973.2019.8975429

Md Abdullah Ansari, Jaffar Ali Lone, M. Tariq

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引用次数: 1

摘要

随着人们对电能需求的不断增加，电力电子正在成为我们生活中的一个重要方面。像太阳能和风能这样的可再生能源，除了便宜和清洁之外，在减少不断增长的电力需求方面也有很大的帮助。用于将可再生能源直流输出转换为交流波形的传统双电平逆变器含有大量谐波，被多电平逆变器(MLI)所取代。MLI具有谐波失真小、开关频率低等优点，近年来越来越受到研究人员的关注。本文详细讨论了一种基于双绕组多抽头变压器(TWMTT)的九电平逆变器及其开关顺序，并与其他主要的九电平逆变器拓扑结构进行了比较。在MATLAB/Simulink中实现该拓扑，发现总谐波失真(THD)为9.37%，与其他九电平逆变器拓扑相比非常低。

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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Performance Analysis and Comparative Evaluation of Two-winding Multi-tapped Transformer Based Nine-Level Inverter

With the continuous increase in demand for electrical energy, power electronics is becoming an important aspect of our lives. Renewable energy sources like Solar and Wind are helping a lot in reducing this ever-increasing demand for electrical energy besides being cheap and clean. Conventional two-level inverters used for converting DC output from renewable energy sources to AC waveform contains a lot of harmonics and are replaced by Multilevel Inverters (MLI). MLI’s are gaining more and more interest in researchers these days because of small harmonic distortion and low switching frequency operation. In this paper, a Two-winding Multitapped transformer (TWMTT) based nine-level inverter is discussed in detail along with its switching sequence and its comparison with other prominent topologies of nine-level inverters is also drawn. On implementing this topology in MATLAB/Simulink, total harmonic distortion (THD) was found to be 9.37% which is very low compared to other topologies for nine-level inverters.

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2019 International Conference on Power Electronics, Control and Automation (ICPECA)

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