-
IEC 60296 Unused Mineral Insulating Oils for Transformers and Switchgear
IEC 60296 Unused Mineral Insulating Oils for Transformers and SwitchgearIEC 60296 Fluids for Electrotechnical Applications - Unused Mineral Insulating Oils for Transformers and Switchgear4 Properties of oilNOTE - Oil characteristics are listed in Tables 1 and 2 and in Clause 6.4.1 Functional propertiesProperties ...
-
IEC 60296 Unused Mineral Insulating Oils for Transformers and Switchgear
IEC 60296 Unused Mineral Insulating Oils for Transformers and SwitchgearIEC 60296 Fluids for Electrotechnical Applications - Unused Mineral Insulating Oils for Transformers and Switchgear1 ScopeThis International Standard is applicable to specifications and test methods for unused mineral insulating ...
-
Health and Environmental Care Procedures for Mineral Insulating Oil
Health and Environmental Care Procedures for Mineral Insulating OilHealth issuesUsers should obtain an MSDS for each dielectric fluid in use. Where instructions differ from recommendations made here, the instructions of the manufacturer are to be followed. Although no special risk is involved in the ...
-
Insulating Oil for Load Tap Changer (LTC)
Insulating Oil for Load Tap Changer (LTC)GeneralSee IEEE Std C57.131. The requirements of insulating oils used in load tap changers (LTCs) are comparable with those of insulating oils used in power transformers. For LTCs where oil is used for arc-quenching, the arcing at the arcing switch or arcing tap ...
-
Insulating Oil for Circuit Breaker
Insulating Oil for Circuit BreakerGeneralThe requirements of insulating oil used in circuit breakers, as distinguished from insulating oil used in transformers, are uniquely different. Modern oil circuit breakers require low viscosity and low pour-point oil because a large percentage of them are used ...
-
Suggested limits for continued use of service-aged insulating oil
Suggested limits for continued use of service-aged insulating oila. Alternative measurements of 1.0 mm (0.04 in) and 2.0 mm (0.08 in), respectively, for gaps.b. The ppm moisture values shown are based on consensus, which are also given in IEEE Std 637. These values should not be used to infer solid insulation ...
-
Chemical Test for Mineral Insulating Oil
Chemical Test for Mineral Insulating OilGas content - ASTM D2945, ASTM D3284, and ASTM D3612The gas content of an insulating fluid may be defined as the volume of dissolved gas per 100 volumes of oil, at standard pressure and temperature. Some types of equipment require the use of electrical insulating ...
-
Electrical Test for Mineral Insulating Oil
Electrical Test for Mineral Insulating OilDielectric breakdown voltage - ASTM D877 and ASTM D1816The dielectric breakdown voltage of insulating oil is a measure of its ability to withstand voltage stress without failure. It is the voltage at which breakdown occurs between two electrodes under prescribed ...
-
Physical Test for Mineral Insulating Oil
Physical Test for Mineral Insulating OilAniline point - ASTM D611The aniline point (temperature) of a mineral insulating oil indicates the solvency of the oil for some materials that are in contact with the oil. A high aniline point indicates a lower degree of aromaticity and a lower solvency for some ...
-
ASTM Tests for Mineral Insulating Oil
ASTM Tests for Mineral Insulating OilPhysical testsAniline point: ASTM D611Color: ASTM D1500Flash and fire points: ASTM D92Interfacial tension: ASTM D971, ASTM D2285Pour point: ASTM D97Relative density (specific gravity): ASTM D1298Viscosity: ASTM D88, ASTM D445, ASTM D2161Visual examination: ASTM D1524Electrical ...