초록 ▼

High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; and having the properties of a dielectric str

High oleic acid triglyceride compositions that comprise fatty acid components of at least 75% oleic acid, less than 10% diunsaturated fatty acid component; less than 3% triunsaturated fatty acid component; and less than 8% saturated fatty acid component; and having the properties of a dielectric strength of at least 35 KV/100 mil gap, a dissipation factor of less than 0.05% at 25.degree. C., acidity of less than 0.03 mg KOH/g, electrical conductivity of less than 1 pS/m at 25.degree. C., a flash point of at least 250.degree. C. and a pour point of at least -15.degree. C. are disclosed. Electrical insulation fluids comprising the triglyceride composition are disclosed. Electrical insulation fluids that comprise the triglyceride composition and a combination of additives are disclosed. Electrical apparatuses comprising the electrical insulation fluids and the use of electrical insulation fluids to provide insulation in electrical apparatuses are disclosed. A process for preparing the high oleic acid triglyceride composition is disclosed.

대표청구항 ▼

[ We claim:] [1.] An electrical transformer comprising a tank, an electrical component that comprises a core and coils, and insulating fluid within said tank and covering said electrical component, wherein said insulating fluid comprises:a) at least 75% of a high oleic acid triglyceride composition

[ We claim:] [1.] An electrical transformer comprising a tank, an electrical component that comprises a core and coils, and insulating fluid within said tank and covering said electrical component, wherein said insulating fluid comprises:a) at least 75% of a high oleic acid triglyceride composition comprising fatty acid components of:at least 75% oleic acid;less than 10% diunsaturated fatty acid component C16-C22;less than 3% triunsaturated fatty acid C16-C22 component;less than 8% saturated fatty acid component C16-C22; andb) 0.1-3% antioxidant additive; rein said insulating fluid is characterized by the properties of:a dielectric strength of at least 35 KV/100 mil gap;a dissipation factor of less than 0.05% at 25.degree. C.;acidity of less than 0.03 mg KOH/g; and,electrical conductivity of less than 1 pS/m at 25.degree. C.