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Polymers are the preferred materials for use in electrical applications and for power electronics due to their simple of production, light weight and low cost. However, polymers have relatively low thermal conductivity. This paper deals with preparation of epoxy composites with content of micro-filler of aluminum oxide (Al2O3) with high thermal conductivity. Using specific fillers can improve performance...
The electrcal-insulation systems (EIS) of the electrical rotating machines have excellent electrical insulating and mechanical properties, but have a relatively low value of thermal conductivity. This work describes how micro fillers of aluminum oxide (Al2O3) can affect the thermal properties. Thermal conditions in the electrical rotating machine were modeled by finite element method 2D SW FEMM. The...
This paper focused on modified resin that contain epoxy matrix on base improving the thermal conductive, a new composite system was designed by applying new phase represented by the nano or microparticles of silica. In this paper, low quantities bisphenol A (DGEBA) with diamine crosslinker (Laromin C260). In order to assess the challenge of improving the electrical properties while not changing or...
This article describes the influence of thermal material properties on the properties of electrical insulation materials and heat transfer in electrical devices. When increasing performance and decreasing dimensions of electrical equipment the losses grow. It is necessary to search new materials which can fulfill greater demands. Thermal properties of materials are one group of important aspects....
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