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首页> 外文期刊>International Journal of Engineering & Technology >Analysis of a three phase capacitor voltage balanced hybrid multi-level inverter with a three phase RL-load
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Analysis of a three phase capacitor voltage balanced hybrid multi-level inverter with a three phase RL-load

机译：三相电压平衡混合式多电平逆变器分析三相rl负载

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This paper outlined the basic concepts of two selected types of hybrid multi-level inverters that were capacitor voltage-source dependent. A natural capacitor voltage balancing involving hysteresis with redundant switching states was analyzed in this paper. Simulations using MATLAB 7.14 were carried out for an unbalanced and a well-balanced capacitor voltage supply under 0V, 100V and 200V pre-charged capacitor voltage conditions. A comparative analysis of the two types of hybrid multi-level inverters (Type A and Type B) with pertinent to %THD values of [35.77% and 23.79%] for Type A and [92.10% and 84.94%] for type B during fault occurrence were evaluated in this work. These harmonic values can lead to thermal run away and total malfunction of the semi-conductor switches. An experimental vali-dation of Type A hybrid multi-level inverter with a three level flying capacitor input stage and H-bridge output stage using a three phase RL-Load of 15? and 45mH was accomplished in the laboratory with results compared with the simulations for experimental verification.
机译：本文概述了两种选定类型的混合多级逆变器的基本概念，其是电容电压源的依赖性。本文分析了涉及具有冗余开关状态滞后的天然电容器电压平衡。使用MATLAB 7.14的模拟用于不平衡和良好的平衡电容器电压供应，在0V，100V和200V预充电的电容器电压条件下。两种杂种多级转化物（A型和型B）的比较分析，其在故障期间B型和[92.10％和84.94％]型和[92.10％和84.94％]的％THD值。在这项工作中评估发生。这些谐波值可能导致热逃逸和半导体开关的总故障。使用三相RL-LOAD为15型混合多电平逆变器的实验性Vali-Dation，具有三级飞行电容器输入级和H桥输出级。与实验验证的模拟相比，在实验室中完成了45MM的结果。

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