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首页> 外文期刊>International journal of electronics >An integrated technique for eliminating harmonics of multilevel inverter with unequal DC sources
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An integrated technique for eliminating harmonics of multilevel inverter with unequal DC sources

机译：消除直流电源不相等的多电平逆变器谐波的集成技术

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摘要

For improving the alteration performance of multilevel inverter, selective harmonics elimination methods play a significant role. In this document, an incorporated method is suggested for removing the harmonics of multilevel inverter with uneven DC sources. The suggested incorporated method is the mixture of fuzzy logic intelligent system and particle swarm optimisation (PSO) algorithm. For generating the training information set in terms of switching angle, Fuzzy is one of the synthetic intelligent methods which apply harmonic voltage and harmonic distortion. PSO is one of the swarm intelligence-based optimisation algorithms which is employed for choosing optimal switching angle from the training data set. The suggested hybrid method is executed in MATLAB/Simulink platform. At dissimilar unequal input voltage levels, the performance of the suggested method is checked by cascade H-bridge multilevel inverter. The production of the suggested method is compared with the theoretical effects.
机译：为了提高多电平逆变器的交流性能，选择性谐波消除方法发挥了重要作用。在本文中，建议采用一种合并方法来消除具有不均匀直流电源的多电平逆变器的谐波。建议的合并方法是模糊逻辑智能系统和粒子群优化（PSO）算法的混合。为了生成基于开关角度的训练信息集，模糊是应用谐波电压和谐波失真的一种综合智能方法之一。 PSO是基于群体智能的优化算法之一，用于从训练数据集中选择最佳切换角度。建议的混合方法在MATLAB / Simulink平台中执行。在不相等的不相等输入电压电平下，通过级联H桥多电平逆变器检查建议方法的性能。将该方法的产生与理论效果进行了比较。

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