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Electrical insulating paper and mineral oil form the basic electrical insulation system in much electrical power equipment, including cables, transformers, and switching apparatus. Many facets of the electrical behavior and performance of insulating papers in such systems have been investigated and reported in the past. It is well known that a very substantial increase in dielectric strength is achieved...
Oil impregnated creped kraft electrical insulating paper has electrical, mechanical and other characteristics which encourage its use in certain areas of oil immersed electrical insulation structures. While such applications are not necessarily novel, this paper presents the theoretical background and provides dielectric performance data for typical crepe paper insulation structures up to about 150...
Aluminum alloys have been used increasingly as electrical conductor material in insulated magnet wire? the insulation may be a film coating or a separate tape, suitably applied. The type of insulation determines the wire manufacturing process including the temperature to which the magnet wire is subjected during its complete manufacturing process. This paper provides guidance on the behavior of various...
Insulation system integrity is probably the most important factor in satisfactory transformer performance; changes and improvements in transformer insulation systems take place continuously. Insulation systems are described, as they are currently constituted in oil immersed, askarel insulated, dry type, gas insulated, and encapsulated power transformers. Since transformer life is directly related...
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