Coupled Inductor Based Non-Isolated High Conversion Ratio Boost Extender

被引：1
作者：
Rathore, Vikas Kumar [1 ]
Evzelman, Michael [1 ]
Peretz, Mor Mordechai [1 ]
机构：
[1] Ben Gurion Univ Negev, Dept Elect & Comp Engn, Ctr Power Elect & Mixed Signal IC, POB 653, IL-8410501 Beer Sheva, Israel
来源：
2023 IEEE APPLIED POWER ELECTRONICS CONFERENCE AND EXPOSITION, APEC | 2023年
基金：
以色列科学基金会;
关键词：
High density; coupled inductor; boost extender; Capacitor stacking; High voltage gain; Single-switch; Switched capacitor; HIGH-VOLTAGE GAIN; DC-DC CONVERTER; HIGH-EFFICIENCY; DESIGN;
D O I：
10.1109/APEC43580.2023.10131533
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：
A coupled inductor based non-isolated boost extender with high conversion ratio is presented. The topology features higher power density due to the lower physical inductor cores count, with similar efficiency and component stresses as a conventional boost extender. Topology analysis, and its suitability for multiple extension inductor coupling is shown, coupling coefficient impact on the converter performance, and a short design guide is presented. An analysis and design of coupled inductor is demonstrated, and experimental prototype of 200W is developed and tested in the laboratory. The experimental prototype operated at maximum efficiency of 94.4% providing step up conversion ratio of 10.5, employing a coupled inductor the size of a single inductor of the conventional boost extender converter. The theoretical predictions were found to be in a good agreement with experimental results.
引用
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页码：22 / 28
页数：7
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