GB/T 47840-2026
电气绝缘液体与结构材料相容性试验方法
Test methods for compatibility of construction materials with electrical insulating liquids
- 实施日期
- 2027-02-01
- ICS 分类
- 29.040.01;29.080.99
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 22 条
GB/T 47840-2026
Test methods for compatibility of construction materials with electrical insulating liquids
GB/T 11142-2025
Determination for gassing properties of insulating oil under electrical stress and ionization
GB/T 46134-2025
Natural esters—Guidelines for maintenance and use in electrical equipment
GB/T 45942-2025
Mineral oil-filled electrical equipment—Application of dissolved gas analysis (DGA) to factory tests on electrical equipment
GB/T 44663-2024
Insulating liquids—Unused modified or blended esters for electrotechnical applications
GB/T 44378-2024
Insulating liquids—Methods for counting and sizing particles
GB/T 21218-2023
Unused silicone insulating liquids for electrotechnical purposes
GB/T 41633.3-2022
Insulating liquids—Determination of acidity—Part 3: Test methods for non-mineral insulating oils
GB/T 41592-2022
Mineral insulating oils—Methods for the determination of 2-furfural and related compounds
GB/T 21221-2022
Insulating liquids—Specifications for unused liquids based on synthetic aromatic hydrocarbons
GB/T 41633.2-2022
Insulating liquids—Determination of acidity—Part 2: Colourimetric titration
GB/T 41632-2022
Insulating liquids—Specifications for unused synthetic organic esters for electrical purposes
GB/T 41631-2022
Specification for unused insulating mineral oils for cables with oil ducts
GB/T 7602.4-2017
Quantitative determination of T501 oxidation inhibitor content in transformer oil or turbine oil—Part 4: GC/MS method
GB/T 7602.3-2008
Determination of T501 oxidation inhibitor content in transformer oil or turbine oil - Part 3: Infrared spectroscopy method
GB/T 7602.2-2008
Determination of T501 oxidation inhibitor content in transformer oil or turbine oil - Part 2: Liquid chromatography
GB/T 19444-2004
Oxygen precipitation characterization of silicon wafers by measurement of interstitial oxygen reduction
GB/T 3074.4-2003
Method for the determination of the coefficient of thermal expansion of graphite electrodes
GB/T 507-2002
Insulating liquids--Determination of the breakdown voltage at power frequency
GB/T 10698-1989
Expansible graphite