Polymer nanocomposites as electrical insulation in high voltage ...
Polymer nanocomposites as electrical insulation in high voltage ...
Polymer nanocomposites as electrical insulation in high voltage ...
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Epoxy Nanocomposite for Mach<strong>in</strong>e Insulation<br />
Micron fillers (already known)<br />
• Advantages<br />
• Higher thermal conductivity<br />
• Ma<strong>in</strong>ta<strong>in</strong> <strong>electrical</strong> properties<br />
• Disadvantages<br />
• Difficult to impregnate <strong><strong>in</strong>sulation</strong><br />
systems (tapes, paper, etc)<br />
• Induce voids and micro-cracks<br />
• Decre<strong>as</strong>e the ductility of matrix<br />
Porous structure (gl<strong>as</strong>s fiber cloth, paper, etc)<br />
Mica flakes<br />
Epoxy<br />
Voids<br />
Conductor<br />
Nano fillers (new opportunities!)<br />
• Improve ductility<br />
• Incre<strong>as</strong>e thermal conductivity<br />
• Ma<strong>in</strong>ta<strong>in</strong>/<strong>in</strong>cre<strong>as</strong>e <strong>electrical</strong> <strong>in</strong>sulat<strong>in</strong>g properties<br />
• Compatibility with exist<strong>in</strong>g manufactur<strong>in</strong>g processes<br />
• E<strong>as</strong>y to impregnate <strong><strong>in</strong>sulation</strong> systems<br />
© ABB Group<br />
May 19, 2009 | Slide 17
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