A Review of Voltage/Current Sharing Techniques for Series-Parallel-Connected Modular Power Conversion Systems

被引：74
|
作者：
Ma, Dajun [1 ]
Chen, Wu [1 ]
Ruan, Xinbo [2 ]
机构：
[1] Southeast Univ, Ctr Adv Power Convers Technol & Equipment, Sch Elect Engn, Nanjing 210096, Peoples R China
[2] Nanjing Univ Aeronaut & Astronaut, Ctr More Elect Aircraft Power Syst, Coll Automat Engn, Nanjing 211106, Peoples R China
来源：
IEEE TRANSACTIONS ON POWER ELECTRONICS | 2020年 / 35卷 / 11期
基金：
中国国家自然科学基金; 国家重点研发计划;
关键词：
Voltage control; ISO; Topology; Windings; Power conversion; Resistors; Current sharing; input-parallel output-series (IPOS); input-series output-parallel (ISOP); input-series output-series (ISOS); series-parallel systems; voltage sharing; DC-DC CONVERTERS; SOLID-STATE TRANSFORMER; ACTIVE INPUT-VOLTAGE; CONTROL STRATEGY; BALANCE CONTROL; DC/DC CONVERTER; CONTROL SCHEME; AC-DC; BRIDGE CONVERTER; INVERTER SYSTEM;
D O I：
10.1109/TPEL.2020.2984714
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：
Recently, more occasions with high input voltage and/or high output voltage applications are emerging. However, the existing switching devices are limited by the voltage stress, e.g., the available maximum blocking voltage of insulated-gate bipolar transistors is 6.5 kV. Therefore, several methods are provided to solve this issue, including series connection of switches, multilevel converters, and modular series-parallel structures, where the modular series-parallel systems are the most popular choice due to the advantages of low cost, simple design process, high modularity, reliability, and redundancy. The main objective of series-parallel systems is to ensure the sharing of input/output voltage/current. Based on this, a comprehensive review on the available voltage/current sharing methods for series-parallel systems, which include input-series output-parallel, input-parallel output-series, and input-series output-series structures is provided in this article. Moreover, the relationships between the input voltage/current sharing and output voltage/current sharing of series-parallel systems are explained.
引用
收藏
页码：12383 / 12400
页数：18
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