Abstract:In the paper nanocomposites for turn insulation of inverter fed motors have been proposed. The results of the modifying both enamelled winding wires and impregnating varnishes with nanoparticles is shown. The presented nanocomposites offer a much longer lifetime then conventional insulation under pulse voltage generated by inverter due to barrier effect to partial discharges. Thermal and mechanical properties of nanofilled varnishes have been also improved because the nanoparticles behave as a physical crossli… Show more
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