Abstract:Aseriesarcfaultexperimentplatformwasbuiltwith referencetothedomesticexistingresearch re-sultsand theUnited StatesUL1699 standard.Arccurrentand arcvoltagewerecolected.Ahigh orderhar-monicratioanalysismethod forwirecurrentwasproposed.Through thevariation condition analysisforahigh orderharmonicratioofcurrentdatain diferentload circuits, thevariation characteristicsofahigherorderhar-monicratiocaused byarcfaultwassummed up.Research resultsshowthat: when arcfaultoccurred, thehigh orderharmonicratioofwirecurrentappeared torisesharply( themean valuegrowth wasmorethan 15%) , and itwasnotstable, in afiercefluctuation.
对电气防火检验的理解与思考.pdf |