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 144 条
GB/T 47840-2026
Test methods for compatibility of construction materials with electrical insulating liquids
GB/Z 36271.3-2026
Power installations exceeding 1 kV AC and 1,5 kV DC—Part 3: Principles to be observed in the design and erection of high voltage installations—Safety of high voltage installations
GB/T 311.12-2025
Insulation co-ordination—Part 12:Application guidelines for LCC HVDC converter stations
GB/T 311.11-2025
Insulation co-ordination一Part 11: Definitions, principles and rules for HVDC system
GB/T 45119-2024
Technical requirement for insulation monitoring of low voltage power system in power plants and substations
GB/T 44179-2024
Composite hollow core station post insulators with a.c. voltage greater than 1 000V and d.c. voltage greater than 1 500V—Definitions,test methods and acceptance criteria
GB/T 4585-2024
Artificial pollution tests on high-voltage ceramic and glass insulators to be used on a.c.systems
GB/T 28182-2024
Surge arresters containing series gapped structures with rated voltage 52 kV and less
GB/Z 43963-2024
Guidance for determination of clearances, creepage distances and requirements for solid insulation for equipment with a rated voltage above 1 000 V AC and 1 500 V DC, and up to 2 000 V AC and 3 000 V DC
GB/T 311.14-2024
Insulation co-ordination—Part 14: Insulation co-ordination for AC/DC filters of HVDC system
GB/T 32520-2024
Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV
GB/T 28547-2023
Selection and application recommendations of metal oxide surge arresters for a.c. systems
GB/T 22389-2023
Metal-oxide surge arresters without gaps for HVDC converter stations
GB/T 16935.1-2023
Insulation coordination for equipment within low-voltage supply systems—Part 1: Principles, requirements and tests
GB/T 42001-2022
Altitude correction method for external insulation flashover voltage of high voltage power transmission projects
GB/T 20111.6-2022
Electrical insulation systems—Procedures for thermal evaluation—Part 6:Multifactor evaluation with increased factors during diagnostic testing
GB/T 4109-2022
Insulated bushings for alternating voltages above 1 000 V
GB/T 24622-2022
Guidance on the measurement of hydrophobicity of insulator surfaces
GB/T 8446.3-2022
Heat sinks for power semiconductor devices—Part 3: Insulators and fasteners
GB/T 21421.1-2021
Composite string insulator units for overhead lines with a nominal voltage greater than 1 000 V—Part 1:Standard strength classes and end fittings