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INFLUENCE OF LOW–CONDUCTIVE COATING ON INSULATION SYSTEM OF ROTARY ELECTRIC MACHINE

Citace: [] MRÁZ, P., KINDL, V., HRUŠKA, K. INFLUENCE OF LOW?CONDUCTIVE COATING ON INSULATION SYSTEM OF ROTARY ELECTRIC MACHINE. Journal of ELECTRICAL ENGINEERING, 2012, roč. 63, č. 3, s. 180-185. ISSN: 1335-3632
Druh: ČLÁNEK
Jazyk publikace: eng
Anglický název: INFLUENCE OF LOW?CONDUCTIVE COATING ON INSULATION SYSTEM OF ROTARY ELECTRIC MACHINE
Rok vydání: 2012
Autoři: Ing. Petr Mráz , Ing. Vladimír Kindl , Ing. Karel Hruška
Abstrakt EN: The discharge activity is well-known phenomenon in large rotating machines. Unfortunately it is not completely under- stood and explained phenomenon yet. Especially creeping (also called gliding) discharge activity in winding heads is not deeply investigated and interpreted/explained. All of mentioned discharges may be marked as partial discharges (PD) in general. This study o?ers two points of view on this problem. At the ?rst place it is a ?nite element modelling (FEM) of two di?erent slot arrangements used for analysis of the electrostatic ?eld. Second, the measurement on real model of stator winding helps con?rming the validity of modelled results.
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