Modeling and Analysis of the Hybrid Buck-Boost Converter with Switched Inductor Structure

被引：0
|
作者：
Wang, Faqiang [1 ,2 ]
Iu, Herbert H. C. [2 ]
Li, Jing [3 ,4 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect Engn, Slate Key Lab Elect Insulat & Power Equipment, Xian 710049, Shaanxi, Peoples R China
[2] Univ Western Australia, Sch Elect Elect & Comp Engn, Crawley, WA 6009, Australia
[3] Xi An Jiao Tong Univ, Sch Elect Engn, Xian 710049, Shaanxi, Peoples R China
[4] Xian Inst Space Radio Technol, Xian 710100, Shaanxi, Peoples R China
来源：
PROCEEDINGS OF THE 2018 13TH IEEE CONFERENCE ON INDUSTRIAL ELECTRONICS AND APPLICATIONS (ICIEA 2018) | 2018年
基金：
中国国家自然科学基金;
关键词：
HBBCSI; averaged model; small signal model;
D O I：
暂无
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：
Hybrid Buck-Boost converter with switched inductor structure (HBBCSI) is a good topology for obtain the negative output voltage since it has high voltage gain when it compares to the conventional Buck-Boost converter. In this study, based on the relationship between the two inductors, the operational principles are analyzed in detail. From the time domain waveforms of two inductor currents and using the averaging method, the averaged and small signal model of the HBBCSI operating continuous conduction mode (CCM) are derived and analyzed. It is found that, unlike the conventional Buck-Boost converter, the current through the inductor with bigger inductance of the HBBCSI will be maintain a nonzero constant value within a certain interval and this point is the key for establishing its averaged and small signal model. Finally, the PSIM simulation results are presented for confirmation.
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页码：1466 / 1469
页数：4
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