BZseriesutilizephysiochemicalmeanstorecoverdeterioratedtransformeroilandbreakeroilwhileremovetheacidcontent,suspendedmatterandprecipitatedresiduesfromtheoil.Itutilizesaspecialpurification,whichallowstransformertostayrunninginnormalmannerwithoutswitchoffofpowerandchangeofoil.Thebasiccontentandanti-oxygenicpropertyofoilremainthesameaftertreatment,andisbroughtbacktothespecificationofnewoil;Insulatorpropertyandsafetyofequipmentareenhancedwhilecostisreducedby90%comparedwithconventionalwayofoil-change.Itisrecommendedtousethetransformeroiltreatmentfirstly,whentheoilwithstand-voltageistreatedatanacceptablerangebythetransformeroiltreatment,andthenusetheBZdevice;youwillfindthattheeffectwillbebetter)