 

标签: 1125547080

相关资源

EMI 产生分析及无Y 电容充电器设计

所需E币: 5

时间: 2020-1-13 11:18

大小: 478.62KB

上传者: wsu_w_hotmail.com

1125547080TheEMIdesignofthechargerwithoutYCapacitorAdlsongAbstract:SomegeneralknowledgeofEMIisintroducedinthispaper.ThebasicprincipleofcausingdifferentialmodeandcommonmodecurrentrelatedconductedemissionsofEMIintheswitchmodepowersupplyisdiscussedindetailthroughtherelevantcircuittheoriesandthesketchdiagrams.Thedesignofthecancellationinsidethestructureofthetransformerisalsopresentedandexplainedbythesketchdiagram.ThemethodsforreducingradiatedemissionsofEMIaredescribedaswelltoo.Intheendthedesignforcommonmodeinductorisoffered.Atpresent,YcapacitoriswidelyadoptedinsideSMPSincludingthecellphonechargertopassEMItests.TheusageofYcapacitorleadstotheleakagecurrentfrominputlinestooutp……

更多...