摘要 |
<p>The present invention relates to compact transformer comprising one or more solid materials for insulating at least some of the conductive parts and a liquid for both insulating at least some of the conductive parts and for heat transfer and cooling, wherein the solid material comprises a high temperature insulation material, and the liquid comprises a biodegradable, fire safe, high temperature coolant which can be used for voltage levels above 36kV.</p> |