,(,222004)JiangsuElectricalEngineering20097284:,,,,,,,,。,,。:;;:TM74:B:10090665(2009)04002204,,,。,,、。、,,,,,。,,,,,,。1111。,,,,,。1223。,,,,,,。,,。,,,。。,,,,。13(1):,,,,,。,5kHz。,,,,。,3200Hz,64。(2)A/D:A/D。A/D,,A/DA/D,,,。(3):,,。。(4):,、。:,。:,,22。:,。221,,,,1。:(1),;、;(2)、;(3),。,,。22,2,2,60o~180o,,2。:(1),;、;(2)、;(3)。,。23,,,3。:(1),;(2)、。。3,,500kV。314500kV5306B,60msB,920msB,B,,。,,,。1AK(1)IAIBIC3I0UAUBUC3U0-40ms0ms2ABK(2)IAIBIC3I0UAUBUC3U0-40ms0msIAIBIC3I0UAUBUC3U0-40ms0ms3K(3)4:0200.0400.0600.0800.01000.01200.0470.0-470.0414.4-414.4452.1-452.10.6-0.64.5-4.50.8-0.84.4-4.40.25306UA5306UB5306UC5306IA5306IB5306IC5306I023325500kV5471,5471A,440msC,A,C,500ms。5471AC。4,,,。(1)。(2)。(3)。(4)。,。,3。(1),,,。(2),,,,。(3),,。(4),。,,,。5,、、,,,、,、。,,。:1,,.M.:,2007.2.M.:,2007.3,,.J.,2007,35(5):117118.:(1981),,,,;(1981),,,,。50200.0400.0600.0800.01000.01200.01400.084.2-84.291.1-91.190.6-90.6177.5-177.52.4-2.40.2-0.22.6-2.62.25306UA5306UB5306UC5306IA5306IB5306IC5306I0-2.2ApplicationofFaultRecorderinPowerSystemGAOHe,SHAOQin(LianyungangPowerSupplyCompany,Lianyungang222004,China)Abstract:Theprincipleoffaultrecorderanditsapplicationinpowersystemareintroducedinthispaper.Severaltypicalfaultsandthecorrespondingwaveformsoffaultcurrentsandsystemvoltagesaregivenandanalyzed.Thewaveformwhichisgivenbyfaultrecordercanhelptheoperatortoanalyzeandjudgethefaulteffectivelyanddealwiththefaultreasonablyassoonaspossible.Ontheotherhand,someproblemsfoundinpracticalapplicationarebroughtforwardandthecausesandmeasuresforthemarealsoproposedinthispaper.Keywords:powersystem;faultrecorder;application24