This document defines requirements for the characterization of unused modified esters or blends of unused esters used as insulating liquids for electrotechnical applications. It does not cover liquids that contain any proportion of used liquids.The liquids covered by this document are intended mainly for transformer applications.Unused modified/synthetized esters are derived from a natural or synthetic base, or are blends of both. This document covers a variety of ester liquids not covered by other standards specific to natural esters (IEC 62770) or synthetic esters (IEC 61099).As it addresses various categories of liquids, this document also covers a wide range of values for certain performance characteristics. An important property is viscosity, which can affect the design and cooling performance of electrical equipment. A categorization is defined based on the kinematic viscosity of the different liquids. The category of low viscosity ester liquids is established.
Cross References: OECD 301-B IEC TR 61294 DIN 51350-2 ISO 2049 ASTM D7150 ISO 3016 IEC 60814 EN 14210 ISO 2592 ISO 2211 IEC 60156 DIN 51350-3 DIN 51350-1 IEC 62697-1 ISO 2719 IEC 60897 ISO 12185 IEC 62021-3 OECD 301-C ASTM D3300 IEC 62770 ISO 3104 ISO 3675 IEC 60666 IEC 61125 IEC 62961 OECD 301-F ASTM D7896 IEC 60247 IEC 62535 IEC 61619 ASTM D1903 IEC 60628 ASTM E1269 ASTM D1275 ASTM D4172 IEC 61620 ISO 3015 CIGRE Brochure 349 ASTM D2500 IEC 61203 ASTM D7042 OCDE 211 IEC 61868 CIGRE Brochure 436 IEC 61039 ASTM D4289 IEC 60076-14 IEEE C57.147 IEC TR 62697-2 CIGRE Brochure 741 CIGRE Brochure 443 IEC 60050-212 CIGRE Brochure 170 IEC 62975 IEC 60050-421 OCDE 203 ASTM D5773 OCDE 201 IUPAC IEC 60296 IEC 63025 IEC 60422 DIN 51353 ASTM D471 ASTM D3455
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Published: 07/18/2019 ISBN(s): 9780580967016 Number of Pages: 26 File Size: 1 file , 1.1 MB Product Code(s): 30352870, 30352870, 30352870 Note: This product is unavailable in United Kingdom