国产化大功率船舶DC/DC变换器研制  

Development of Domestic High-power Marine DC/DC Converter

作　　者：汪洪亮 郑真 张文元 朱晓楠 WANG Hong-iang;ZHENG Zhen;ZHANG Wen-yuan;ZHU Xiao-nan(Hunan University,Changsha 410082,China)

机构地区：[1]湖南大学,电气与信息工程学院,湖南长沙410082

出　　处：《电力电子技术》2023年第7期103-106,共4页Power Electronics

基　　金：国家自然科学基金项目(51977069);2020年湖南省自然科学杰出青年基金项目(2020JJ2007)。

摘　　要：设计了一台用于船舶综合电力系统直流区域配电系统的全国产化25kWDC/DC变换器。首先,介绍了电路工作原理,给出了参数设计方法和关键器件的国产化选型,提出了多模块串并联组合均压均流控制策略。其次,基于状态空间平均法建立了系统小信号模型,设计了闭环控制器。最后,搭建了实验样机,验证了其可行性。A fully domestic 25 kW DC/DC converter for direct current regional distribution system of marine integrated power system is designed.Firstly,the circuit working principle is introduced,the parameter design method and domes-tic selection of key devices are given,and voltage and current sharing control strategy of multi-module-series-parallel combination is proposed.Secondly,the system small signal model is established based on state space average method,and closed-loop controller is designed.Finally,an experimental prototype is built to verify the feasibility of the system.

关 键 词：变换器 串并联组合 状态空间平均法 小信号模型 

分 类 号：TM92[电气工程—电力电子与电力传动]