Abstract:Dielectric liquids are a major part of the electrical insulation system in many types of electrical equipment-transformers, circuit breakers, bushings, cables, and capacitors. Often the insulation liquid provides additional functions. It is also the cooling medium in transformers and cables, the arc extinguishing phase in switchgear, or even the lubricant in tap changers and circulating pumps. Each application then demands an insulating liquid with somewhat different electrical, chemical, and physical characte… Show more
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