舰船中压直流电网中三电平直流变换器设计  

Three-level DC-DC converter for electric ship MVDC application

作　　者：杨国润[1] 肖飞[1] 范学鑫[1] 王瑞田[1] 谢桢[1] YANG Guo-run;XIAO Fei;FAN Xue-xin;WANG Rui-tian;XIE Zhen(National Key Laboratory of Science and Technology on Vessel Integrated Power System,Naval Univ.of Engineering,Wuhan 430033,China)

机构地区：[1]海军工程大学舰船综合电力技术国防科技重点实验室,武汉430033

出　　处：《海军工程大学学报》2020年第4期37-42,共6页Journal of Naval University of Engineering

基　　金：国家自然科学基金资助项目(51477180、51477179);国家973计划资助项目(2015CB251004)。

摘　　要：为了实现中压直流4 kV至低压直流710 V的变换,设计了一种应用于舰船中压直流电网中的三电平直流变换器,分析了该变换器的工作原理,设计了滤波元件参数和控制器,并进行了仿真验证。最后,根据设计方案制造了一台实验样机。实验结果表明:设计方案合理可行,该变换器动态性能良好,功率密度和效率均高。A three-level(TL)dc-dc converter is proposed for vessel medium voltage direct current(MVDC)application,in order to realize conversion between medium voltage dc 4kV and low voltage dc 710V.The operation,filter,and controller of this converter is analyzed and designed,which is ve-rified by simulation.Finally,a prototype is built and tested.Experiments validate the design and si-mulation,and show that the dynamic response is fast,and the power density and efficiency are high.

关 键 词：中压直流 三电平 直流变换器 

分 类 号：TM46[电气工程—电器]