GB/T 14542-2005 Guide for maintenance and supervision of transformer oil in service

GB/T 14542-1993 Guide for maintenance and supervision of transformer oil in service

GB/T 14542-2017 Guide for maintenance and supervision of transformer oil

GB/T 7595-2000 Quality criteria of transformer oils in service SD/T 313 GB/T 261-1983 Petroleum products—Determination of flash point—Closed cup method GB/T 261-2008 Determination of flash point—Pensky-Martens closed cup method GB/T 261-2021 Determination of flash point—Pensky-Martens closed cup method GB/T 264-1983 Petroleum products—Determination of acid number GB/T 507-2002 Insulating liquids—Determination of the breakdown voltage at power frequency GB 2536-1990 Transformer oils GB 2536-2011 Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear GB/T 5654-1985 Measurement of relative permittivity, dielectric dissipation factor at power frequency and volume resistivity of insulating liquids GB/T 5654-2007 Insulating liquids—Measurement of relative permittivity,dielectric dissipation factor and d.c.resistivity GB/T 6541-1986 Petroleum products—Mineral oils—Determination of interfacial tension of oil against water—Ring method GB 7597-1987 Method of sampling for transformer and turbine oils in electric power industry GB/T 7597-2007 Method of sampling for transformer and turbine oils in electric power industry GB/T 7598-2008 Determination of water-soluble acid in transformer oils in service GB/T 7600-2014 Determination of water content in transformer oils and turbine oils in service by coulometric method DL/T 421-2009 Method for Determining Volume Resistivity of Electrical Oil DL/T 423-2009 Method for measuring the content of gas in insulating oil by vacuum differential pressure method DL/T 429.6-2015 Electricity Oil Open Cup Aging Test Method DL/T 703-2015 Determination of Gas Content in Insulating Oil by Gas Chromatography SH 0040-1991 Super-high-pressure transformer oil DL/T 703-1999 The determination of gas content in insulating oil by gas chromatography DL 429.6-1991 Power system oil quality test method - Open cup aging determination method for operating oil DL 429.9-1991 Electric Power System Oil Quality Test Method - Dielectric Strength Determination of Insulating Oil GB 2536-2025 Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear

IEC 60422:1989