Dual-output DC/DC boost converter for bipolar DC microgrids

被引：26
|
作者：
Rezayi, Shafie [1 ]
Iman-Eini, Hossein [1 ]
Hamzeh, Mohsen [1 ]
Bacha, Seddik [2 ]
Farzamkia, Saleh [1 ]
机构：
[1] Univ Tehran, Sch Elect & Comp Engn, Coll Engn, North Kargar St, Tehran, Iran
[2] Univ Grenoble Alpes, CNRS, Grenoble INP, G2Elab, F-38000 Grenoble, France
来源：
IET RENEWABLE POWER GENERATION | 2019年 / 13卷 / 08期
关键词：
distributed power generation; DC-DC power convertors; dual-output DC; DC boost converter; bipolar DC microgrids; step-up DC; DC converter; converter topology; input voltage; output voltages; output terminals; bipolar DC grid; small signal model; 3-LEVEL; NETWORK; MPPT;
D O I：
10.1049/iet-rpg.2018.6167
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This study presents a new step-up DC/DC converter for bipolar DC microgrids. This relies on utilising a new converter topology which offers bipolar DC outputs with the key features of boosting the input voltage and balancing the output voltages. In addition, the proposed converter can transfer power from output terminals to the input side which leads to energy saving. Due to the microgrid's loading conditions, different modes can be considered, and the operational principles are analysed in details. Applying the circuit average method, the small signal model of the proposed converter is derived. Then the appropriate controllers are designed considering the small signal model of the converter in each mode. Finally, a prototype of the proposed converter has been implemented in the laboratory, and the experimental results have verified the converter's ability to balance the bipolar DC grid's voltages and its capability of transferring power in various microgrid's conditions.
引用
收藏
页码：1402 / 1410
页数：9
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