卡特彼勒G3412发电机故障与母线保护探讨

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中图分类号：U672 文献标志码：A 文章编号：2095-2945（2025）27-0172-0.

Abstract：TheCaterpillrG3412generatorisatypeofdieselgenerator.Asanimportantpartoftheship'spowerstation，it isthepowersourceformostoftheship'selectricalequipmentexceptforconnectingshorepowertotheport.Thereliable， continuousandeficientoperationofgeneratorsplaysanimportantroleinthesafeoperationofships.Becausetheworking environmentofgeneratorsischaracterizedbyhumidity，frequentvibrationefects，andlargeoilpolution，theagingproblemof generatorsismoreprominentthanthatofonshoreequipment.Whenashipencounterspowergenerationequipmentfailureduring sailing，itwillpseateattoheshipsnavigationsafetyDuetothelimitationsoffsoremaintenanc，itisveryimporantto relyontheworkingstatusofthegeneratorreasonablycheckthepotentialsafetyhazardsofthegenerator，improvetheprotection measuresofthegenerator，ensurethereliableoperationofthegenerator，andextendtheservicetimeoftheequipment.Basedon theworkingprincipleofgeneratorsandusingvariousrelatedcasesasreference，thispaperunderstandsthecurrentprotection measuresandsomecommon faultsof CaterpillrG3412 generatorsonships.Thispaperanalyzestheactual operatingstatusof generatorsonmostcivilandcommercialships，aswellasthemodulesthatofenoccur inproblems，andsummarizesand clasifies hefaultphenomenonprotectionmeasuresandbusprotectiondesign.Itisconvenientforpersonelengagedinturbine workinthefuturetoimprovetheefciencyofsolvingmarinegeneratorfaultproblemsandreducesecondarydamageto generators caused by faults.

Keywords： Caterpilar G3412 generator; fault; busprotection measure;operating status;bus protection design

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