Large Boost Ratio DC-DC Converter with Quasi-Z Source Network and Active Switched Inductor

被引：1
|
作者：
Bai, Lumeng [1 ]
Zhao, Jiawei [1 ]
Chen, Daolian [1 ]
机构：
[1] Qingdao Univ, Coll Elect Engn, Qingdao, Peoples R China
来源：
2021 3RD INTERNATIONAL CONFERENCE ON SMART POWER & INTERNET ENERGY SYSTEMS (SPIES 2021) | 2021年
关键词：
non-isolated converter; low voltage stress; low current stress; active switched inductor; STRATEGY;
D O I：
10.1109/SPIES52282.2021.9633855
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：
The boost capability of the traditional DC-DC boost converter is limited, and the main switch device may bear higher voltage stress or current stress. A non-isolated DC-DC step-up converter is proposed to meet the needs of high-gain new energy power generation. The topology combines the traditional active switched inductor with a Quasi-Z source network, which can improve the converter's voltage gain without the limitation of duty cycle and the influence of switching stress. The steady-state characteristics and working principle are analyzed, and then the power loss is analyzed and compared with other references. The prototype circuit is designed in the power electronics laboratory, and the performance of the converter is verified under the condition of 200W with the input voltage of 20-30v and the output voltage of 200V. The validity and advantages of the theoretical analysis are verified.
引用
收藏
页码：216 / 222
页数：7
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