Operation method for input-series-output-parallel AC-DC-DC converter

被引：6
作者：
Song, Chunwei [1 ]
Guo, Yonghong [1 ]
Zeng, Zheng [2 ]
Sun, Lihong [1 ]
He, Jinlong [1 ]
Li, Mei [1 ]
机构：
[1] China Jiliang Univ, Coll Mech & Elect Engn, 258 Xueyuan Rd, Hangzhou, Zhejiang, Peoples R China
[2] Chongqing Univ, Sch Elect Engn, State Key Lab Power Transmiss Equipment & Syst Se, Chongqing, Peoples R China
来源：
IET POWER ELECTRONICS | 2016年 / 9卷 / 08期
关键词：
AC-DC power convertors; DC-DC power convertors; power factor; rectifying circuits; input-series-output-parallel AC-DC-DC converter; ISOP AC-DC-DC converter configuration; cascaded H-bridge rectifier; CHB rectifier; input voltage sharing; output current sharing; DC-link voltage unbalance; DC-link voltage balance; OCS; unity power factor; low-distortion grid current; MULTILEVEL ACTIVE RECTIFIER; SOLID-STATE TRANSFORMER; POWER BALANCE CONTROL; H-BRIDGE RECTIFIERS; TRACTION APPLICATIONS; VOLTAGE; STRATEGY;
D O I：
10.1049/iet-pel.2015.0592
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 this study, the proposed configuration of input-series-output-parallel (ISOP) AC-DC-DC converter consists of a cascaded H-bridge (CHB) rectifier in the AC/DC stage and a parallel DC-DC converter in the DC/DC stage. This study reveals the relationship between input voltage sharing (IVS) and output current sharing (OCS) among the constituent modules. The factors causing DC-link voltage unbalance among series units in CHB rectifier are studied in detail. With the proposed operation method, the power balance including IVS, DC-link voltage balance and OCS can be achieved. In addition, the converter can always operate under a unity power factor with low-distortion grid current. The experimental results are presented to demonstrate the validity and features of the proposed operation method.
引用
收藏
页码：1654 / 1663
页数：10
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