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Patent AT-E400057-T1: [Translated] USE OF HIGH PERFORMANCE DIELECTRIC OIL FOR HIGH VOLTAGE ELECTRICAL EQUIPMENT

Published by National Center for Biotechnology Information (NCBI) | U.S. Department of Health & Human Services | Catalog Last Checked: July 31, 2026 at 09:07 PM | Dataset Last Updated: September 06, 2025
The invention relates to a high-performance dielectric oil comprising approximately 75 to 95% by volume of a naphthenic oil and approximately 5 to 25% by volume of an ester oil, in particular a synthetic ester oil and more preferably an oil of the family of polyolesters. The high-performance dielectric oil may be used in high-voltage electrical equipment such as power, measurement, distribution or traction transformers, tap changers, bushings, distributors, oil-immersed circuit breakers, power capacitors, cables, etc.

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