Design and control of a novel topology for multilevel inverters using high frequency link

被引:5
作者
Hatas, Hasan [1 ]
Almali, Mehmet Nuri [1 ]
机构
[1] Van Yuzuncu Yil Univ, Dept Elect Engn, Van, Turkiye
关键词
Multilevel inverter; Inverter; High frequency link; Switched rectifier; AC link; HYBRID; SERIES; COUNT;
D O I
10.1016/j.epsr.2023.109458
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The requirement of more than one source in multilevel inverters is an issue to be solved for applications with a single DC source. One solution to this problem is to obtain the required voltages using High Frequency Link (HFL). With the traditional use structure of HFL, only one DC source is generated from each diode bridge unit. In this study, voltage generation is diversified as full and half by adding only one switching device and one diode to this circuit. With the proposed modified HFL circuit topology, 35 levels were obtained from 15 level generating circuits. It was compared with some recently published papers using HFL and a satisfactory result was observed in terms of total standing voltage (TSV), although the use of switching devices was reasonable. Proposed to-pology with different frequency and amplitude outputs has been verified both in simulation environment and experimentally using FPGA board. In terms of the economic dependability of the proposed inverter, calculations for the TSV, cost per level factor, and efficiency have been performed. According to the results obtained, it has been observed that the total harmonic distortion of the output waveform of the proposed topology is 2.5%.
引用
收藏
页数:12
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