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Keywords = pseudo-totem pole (PTP)

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16 pages, 6712 KiB  
Article
A Family of Five-Level Pseudo-Totem Pole Dual Boost Converters
by Qingsong Zhao, Guixi Miao, Hong Dai, Cheng Jing, Jianyuan Xu, Wenjing Li and Hui Ma
Electronics 2023, 12(17), 3722; https://doi.org/10.3390/electronics12173722 - 3 Sep 2023
Viewed by 1271
Abstract
In this paper, based on the pseudo-totem pole (PTP) circuit, a family of five-level PTP dual boost converters (PDBC) is proposed. A dual boost converter has some unique advantages, such as having no risk of bridge arm shoot-through and no problems related to [...] Read more.
In this paper, based on the pseudo-totem pole (PTP) circuit, a family of five-level PTP dual boost converters (PDBC) is proposed. A dual boost converter has some unique advantages, such as having no risk of bridge arm shoot-through and no problems related to switch body diode reverse recovery; thus, it has a good potential for applications. First, the derivation process, working principle, modulation and strategy of the topology are analyzed. Further, the number of power devices, switch voltages and current stress of the proposed topology is analyzed. Finally, a representative five-level PDBC experimental prototype is designed with AC input 220 V/50 Hz, DC output 400 V/1 kW, and peak efficiency of 98.27%. The experimental results show that the five-level PDBC proposed in this paper has higher efficiency and the correctness of its topology is verified. Full article
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