New Cascaded-Transformers Multilevel Inverter for Renewable Distribution Systems

被引：0
作者：
Ali, Ahmed Ismail M. [1 ,2 ]
Sayed, Mahmoud A. [2 ]
Takeshita, Takaharu [1 ]
机构：
[1] Nagoya Inst Technol, Elect & Mech Engn Dept, Nagoya, Aichi, Japan
[2] South Valley Univ, Elect Engn Dept, Qena 83523, Egypt
来源：
2020 IEEE ENERGY CONVERSION CONGRESS AND EXPOSITION (ECCE) | 2020年
关键词：
Multilevel inverter; Distributed generation systems; MLI; CTMLI; PWM; HFT; THD; INTEGRATION; CONVERTER; TOPOLOGY;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
this paper presents a novel reduced switches-number cascaded-transformer multilevel inverter (CTMLI). The proposed MLI circuit consists of four high-frequency (HF) and eight line-frequency power switches forming three H-bridge inverters. One H-bridge forms the PWM inverter whereas other bridges form the Level inverters, which generate the multilevel output voltage in staircase waveform. Also, three cascaded transformers are utilized, which operates at high, medium and line frequency, respectively. The operating principles of proposed inverter will be deeply illustrated for optimized transformers turn ratios (1 :2 :6). The proposed CTMLI operation is verified using computer-aided simulation results for 19-level output voltage synthesis. DSPACE DS1103 digital controller is used to control the experimental prototype for stand-alone load voltage regulation.
引用
收藏
页码：3965 / 3971
页数：7
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