On-Line Partial Discharge Testing - WMEA

OnOn-- line Partial line Partial Discharge TestingDischarge TestingSkip HicksDirector -New Business DevelopmentWhat Is Partial Discharge ?What Is Partial Discharge ?What Is Partial Discharge ?zAccording the the International ElectrotechnicalCommission (IEC) International Standard 60270, Section published in 2000, the definition of Partial Discharge is: Localized electrical Discharge that only partially bridges the insulation between conductors and which can or cannot occur adjacent to a conductor. IEC 60270 Section NotesIEC 60270 Section NotesIEC 60270 Section Notesz Partial discharges are in general a consequence of local electrical stress concentrations in the insulation or on the surface of the z Corona is a form of Partial Discharge that occurs in gaseous media around conductors which are remote from solid or liquid z Partial discharges are often accompanied by emission of sound, light, heat, and chemical Paper-Insulated Lead CablePaperPaper--Insulated Lead CableInsulated Lead CableExtruded MV Cable ConstructionExtruded MV Cable ConstructionExtruded MV Cable ConstructionEPR Cable ConstructionEPR Cable ConstructionEPR Cable ConstructionJacket____Jacket____SC*_____ SC*_____Strand Screen_*Strand Screen_*__Shield__Shield*Insulation*Insu lationConductorConductorEPR Insulation in Cabl

zCable Accessory Failure. ... zPartial discharge testing is a PREDICTIVE qualitative analysis tool that can warn of a potential upcoming system failure. ... The ETI On-Line Partial Discharge Testing System The ETI OnThe ETI On--Line Partial Discharge Line Partial Discharge .

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  Analysis, Testing, Discharge, Line, Failure, Partial, Accessory, On line partial discharge testing, Accessory failure

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