对称序列开关电容级联多电平逆变器的设计与实现

2022 Second International Conference on Advanced Technologies in Intelligent Control, Environment, Computing & Communication Engineering (ICATIECE) Pub Date : 2022-12-16 DOI:10.1109/ICATIECE56365.2022.10047769

Yashaswini R, S. B

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引用次数: 0

摘要

提出了一种利用单极脉宽调制的新型九电平多电平逆变器拓扑结构。它提供最大的输出电压水平，而使用最小的直流电源和开关。这个概念是在9级对称MLI上实现的。采用多载波单极脉宽调制技术产生开关脉冲。对电压和电流波形进行了总谐波失真(THD)仿真。将不同的拓扑与建议的拓扑进行比较。在MATLAB/Simulink中对新提出的MLI进行了仿真测试。新提出的9级MLI拓扑在硬件上实现。

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Design and Implementation of Switched Capacitor Cascaded Multilevel Inverter for Symmetric Sequence

The new nine-level multilevel inverter (MLI) topology that utilizes Unipolar Pulse Width Modulation is proposed. It provides maximum output voltage level while using the minimum dc source and switches. The concept is implemented on a 9-level symmetric MLI. Multi carrier unipolar pulse width modulation technique is adopted to create the switching pulses. Total harmonic distortion (THD) simulations for both voltage and current waveforms have been performed. Comparison is performed for different topologies with proposed topology. The simulation tests for new proposed MLI is done in a MATLAB/Simulink. The newly proposed topology of 9 level MLI is implemented in hardware.

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2022 Second International Conference on Advanced Technologies in Intelligent Control, Environment, Computing & Communication Engineering (ICATIECE)

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