浪涌抑制与电磁兼容浪涌抑制与电磁兼容SURGESUPPRESSIONANDELECTROMAGNETICCOMPATIBILITYMOFu-jiang,RUANJiang-jun,CHENYun-ping(SchoolofElectricalEngineering,WuhanUniversity,Wuhan430072,HubeiProvince,China)   ABSTRACT:Surgesaretheover-voltageandover-currentphenomenathatoccurcommonlyinlow-voltageACpowerline.ToresearchthesurgesinACpowerline,thevoltageamplitudeofsurgeshouldbeanalyzedandthecurrentandenergyshouldbealsoanalyzed.Inthesuppressionofsurgesinlowvoltagepowerlinestheover-voltageprotectionmeasuresandtheelectromagneticcapability(EMC)oftheelectronicdevicesshouldbeconsidered.Throughthecalculationofthewaveformsandthebaudchartofstandard