Asymmetrical Half-Bridge Double-Input DC/DC Converters Adopting Pulsating Voltage Source Cells for Low Power Applications

被引：24

作者：

Liu, Fuxin ^{[1
]}

Wang, Zhicheng ^{[2
,3
]}

Mao, Yunyu ^{[1
]}

Ruan, Xinbo ^{[2
,4
]}

机构：

[1] Nanjing Univ Aeronaut & Astronaut, Jiangsu Key Lab New Energy Generat & Power Conver, Nanjing 210016, Jiangsu, Peoples R China

[2] Nanjing Univ Aeronaut & Astronaut, Coll Automat Engn, Nanjing 210016, Jiangsu, Peoples R China

[3] Sungrow Power Supply Co Ltd, Hefei 230000, Peoples R China

[4] Huazhong Univ Sci & Technol, Coll Elect & Elect Engn, Wuhan 430074, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2014年 / 29卷 / 09期

关键词：

Asymmetrical half-bridge; double-input; multiple-input; pulsating voltage source cell; zero-voltage-switching; TRANSFORMER;

D O I：

10.1109/TPEL.2013.2257858

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：

In the renewable hybrid power system, multiple-input converters (MICs) serve as the interface of several sources with a load, and provide the energy to the load simultaneously or individually, which can optimize the utilization of sources, simplify the system configuration, and reduce the overall cost. In the applications with isolated requirement, available MICs usually have complex configuration and numerous transformer windings. In this paper, a family of asymmetrical half-bridge double-input converters (DICs) adopting pulsating voltage source cells (PVSCs) for low power applications is proposed. Compared with available isolated DICs, the proposed converters have advantages of simple architecture, soft-switching realization, and high conversion efficiency. In this paper, the derivation and feasible control strategy for the proposed converters are illustrated. Specifically, the operation principle of DIC composed of two buck PVSCs is analyzed. Finally, theoretical analysis is validated by the experimental results from a 240 W prototype.

引用

页码：4741 / 4751

页数：11

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