129陆玮，等：重型破冰船电网架构研究2023年·第1期·总第202期专题三重型破冰船电网架构研究陆玮智力（中国船舶及海洋工程设计研究院上海200011）摘要：随着我国两极探索研究开发的需求增长，PC2级以上的重型破冰船开发研制已是极地战略的重要部分，配置极大功率、具有较大冗余度的推进系统是重型破冰船的一个显著特点。文中通过分析国外常规动力重型破冰船项目，发现采用电力推进系统已成为发展趋势，其综合电力系统总容量往往超过50MW，配置多个主推进器，推进电机输出功率可达到20MW，配置4台以上的原动机，单机功率可能超过10MW。上述电力系统关键器件的容量等级在现有船舶上较少使用，且缺少国产配套。基于重型破冰船需求，通过分析电网电压等级，对发电机、推进电机及变频器选型等电力系统关键选型分析，结合国产配套情况，参考国外已有项目电网架构，该文提出一型重型破冰船电网架构，以方便开展后续船舶的研制工作。关键词：重型破冰船；电网架构；综合电力系统；推进电机中图分类号：U674.21；U665.1文献标志码：ADOI：10.19423/j.cnki.31-1561/u.2023.01.129OnPowerGridArchitectureofHeavyIcebreakersLUWeiZHILi(MarineDesign&ResearchInstituteofChina,Shanghai200011,China)Abstract:ThedevelopmentofheavyicebreakersabovePC2classhasbecomeanimportantpartofthepolarstrategywiththegrowthofthedemandofpolarexplorationresearchanddevelopmentinChina.Apropulsionsystemwithgreatpowerandredundancyisaparticularfeatureofheavyicebreakers.Itisfoundthattheelectricpropulsionsystemhasbecomethedevelopmenttrendthroughtheanalysisoftheforeignheavyicebreakersusingconventionalpower.Thetotalcapacityofitsintegratedpowersystemisoftengreaterthan50MW.Theoutputpowerofthepropulsionmotorcanreach20MWwithmultiplemainthrusters,andthesingleenginepowermayexceed10MWwithmorethanfourprimemotors.Thecapacityleveloftheabove-mentionedkeydevicesofthepowersystemisrarelyusedonexistingships,withinsufficientdomesticsupportingparts.Theessentialpartsofthepowersystemsuchasthegenerators,propulsionmotorsandfrequencyconvertersareselectedbyanalyzingthepowergridvoltagelevelbasedonthedemandofheavyicebreakers.Combinedwiththedomesticsupportingsituations,apowergridarchitecturefortheheavyicebreakerispropo...
