船舶直流电网固态母联开关优化设计与性能分析  

Optimization Design and Performance Research for Solid Bus Tie Switch of Marine DC Grid

作　　者：钱正彦 董小伟 侯海波 盛俊 QIAN Zheng-yan;DONG Xiao-wei;HOU Hai-bo;SHENG Jun(Zhuzhou CRRC Times Electric Co.Ltd.,Zhuzhou Hunan 412001,China;China Merchants Cruise Shipbuilding Co.Ltd.,Haimen Jiangsu 226116,China;Wuhan Branch of China Classification Society,Wuhan 430000,China)

机构地区：[1]株洲中车时代电气股份有限公司,湖南株洲412001 [2]招商局邮轮制造有限公司,江苏海门226116 [3]中国船级社武汉分社,武汉430000

出　　处：《船海工程》2022年第4期95-99,104,共6页Ship & Ocean Engineering

摘　　要：针对传统直流断路器用做船舶直流微电网母联开关存在体积大、成本高的问题,根据船舶直流电网电力推进系统的小体积、高可靠性,以及灵活布局等需求,设计一类适应船舶和相似直流微电网的固态母联开关,减少器件数量、成本和体积,通过搭建电力推进系统精细化仿真模型,分析优化拓扑电路故障关断瞬态的电气特征,验证设计的可行性,仿真结果表明,设计的母联开关拓扑相比传统断路器具有良好的关断续流和吸收功能,关断震荡时间约5 ms、过电压约1300 V。The traditional DC breaker,used as marine DC micro-grid bus tie switch,has the defect of large size and high cost.Based on electric performance,small volume,high stability and low cost analyze of marine DC micro grid,a kind of solid state bus switch,which is suitable for using on marine DC micro-grids or other similar systems,were deign and optimized to reduce the quantity,cost and volume.A refine simulation model of the electric propulsion system was constructed to analyze and verify the electric performance of new deigned topology.The simulation results showed that new bus tie topology has better function of follow current ability and overvoltage absorption than the traditional DC breaker.The shock time and overvoltage of the new bus tie switch are 5 ms and 1300 v.

关 键 词：直流断路器 直流短路保护装置 直流母联开关 直流微电网 船舶直流组网 

分 类 号：U665.12[交通运输工程—船舶及航道工程]