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GB/T 32825-2024,Technical parameters and requirements for three-phase dry-type tridimensional wound core power transformers
GB/T 18494.3-2023 ,Converter transformers—Part 3:Application guide
GB/T 31838.8-2024,Solid insulating materials—Dielectric and resistive properties—Part 8:Determination of dielectric properties (AC method)—Relative permittivity and dielectric dissipation factor(frequencies 1 MHz~300 MHz)
GB/Z 21223.3-2023,Guidelines for the statistical analysis of ageing test data—Part 3:Minimum specimen numbers at different test conditions with given experimental data