Performance Analysis of two DC-DC Multilevel Converters and Classic Boost Converter in Terms of Ripples and Voltage Load Overshoot

升压变换器 涟漪 超调(微波通信) 转换器 降压升压变换器 控制理论(社会学) 瞬态(计算机编程) 电压 Ćuk转换器 电子工程 计算机科学 工程类 电气工程 操作系统 人工智能 控制(管理)
作者
Ikram El Haji,Mustapha Kchikach,Abdennebi Elhasnaoui,Sana Sahbani
标识
DOI:10.1109/icpet59380.2023.10367677
摘要

This paper presents an evaluation of three types of boost converters―classic boost, symmetrical multilevel boost converter, and three-level boost converter in terms of voltage and current ripple as well as the load voltage transient overshoot. The three converters are designed and simulated under the same settings in order to obtain accurate results. A DC source powers the three converters with 61.82 V. During the design phase, the output voltage and current ripples are estimated to be 1% and 30% respectively. Funding proved that among the three converters symmetrical multilevel boost converter is the only converter that respects this criterion by giving an output voltage ripple less than 0.83% and a current ripple lower than 27.7%, while the three-level boost converter gives 59.13% for input current ripple and the classic boost gives more than 4% for the voltage ripples. Furthermore, the symmetrical multilevel boost converter reduces the load transient overshoot by more than 19% and 7% compared to the three-level boost converter and the classic boost loads transient overshoots respectively. In addition, the symmetrical multilevel boost converter provides continuous output voltage and current and reduces the ripples to 0.68% and 0.44% respectively. In conclusion, a symmetrical multilevel boost converter proves a correspondence between theoretical and simulation results. Furthermore, based on its features of reducing the current and voltage ripple as well as the load transient overshoot, it is concluded that a symmetrical multilevel boost converter is more suitable for renewable energy systems applications compared to a classic boost and three-level boost converter.
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