GB/T 35721-2017 Distributed fault diagnosis system of transmission lines

GB/T 191-2000 Packaging—Pictorial marking for handling of goods GB/T 191-2008 Packaging—Pictorial marking for handling of goods GB/T 191-2025 Graphical symbols marking for handling and storage of packages GB/T 2317.1-2000 Mechanical tests for electric power fittings GB/T 2317.1-2008 Test method for electric power fittings Part 1:Mechanical tests GB/T 2317.2-2000 Corona and RIV tests for electric power fittings GB/T 2317.2-2008 Test method for electric power fittings—Part 2:Corona and RIV tests for electric power fittings GB/T 2423.1-2001 Environmental testing for electric and electronic products—Part 2:—Test methods Tests A:Cold GB/T 2423.1-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests A:Cold GB/T 2423.2-2001 Environmental testing for electric and electronic products—Part 2:Test methods-Tests B:Dry heat GB/T 2423.2-2008 Environmental testing for electric and electronic products—Part 2:Test methods—Tests B:Dry heat GB/T 2423.4-1993 Basic environmental testing procedures for electric and electronic products—Test Db:Damp heat, cyclic GB/T 2423.4-2008 Environmental testing for electric and electronic products—Part 2:Test method—Test Db:Damp heat,cyclic(12 h+12 h cycle) GB/T 2423.10-1995 Environmental testing for electric and electronic products—Part 2:Test methods—Test Fc and guidance:Vibration (Sinusoidal) GB/T 2423.10-2008 Environmental testing for electric and electronic products—Part 2:Tests methods Test Fc:Vibration(sinusoidal) GB/T 2423.10-2019 Environmental testing—Part 2:Tests methods—Test Fc:Vibration(sinusoidal) GB/T 2900.51-1998 Electrotechnical Overhead lines GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 6587-2012 General specification for electronic measuring instruments GB/T 6587.1-1986 Environmental tests program for electronic measuring instruments GB/T 6587.2-1986 Temperature tests for electronic measuring instruments GB/T 6587.3-1986 Humidity tests for electronic measuring instruments GB/T 6587.4-1986 Vibration tests for electronic measuring instruments GB/T 6587.5-1986 Shock tests for electronic measuring instruments GB/T 6587.6-1986 Transportation tests for electronic measuring instruments GB/T 6587.7-1986 Basic safety tests for electronic measuring instruments GB/T 6587.8-1986 Line frequency and voltage tests for electronic measuring instruments GB/T 16422.1-1996 Plastics—Methods of exposure to laboratory light sources Part 1:General guidance GB/T 16422.1-2006 Plastics—Methods of the exposure to laboratory light sources—Part 1:General guidance GB/T 16422.1-2019 Plastics—Methods of exposure to laboratory light sources—Part 1:General guidance GB/T 16422.2-1999 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon—arc sources GB/T 16422.2-2014 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc sources GB/T 16422.2-2022 Plastics—Methods of exposure to laboratory light sources—Part 2:Xenon-arc lamps GB/T 16927.4-2014 High voltage and high current test techniques—Part 4: Definitions and requirements for test currents and measuring systems GB/T 17626.2-1998 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.2-2006 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.2-2018 Electromagnetic compatibility—Testing and measurement techniques—Electrostatic discharge immunity test GB/T 17626.3-1998 Electromagnetic compatibility—Testing and measurement techniques-Radiated, radio-frequency, electromagnetic field immunity test GB/T 17626.3-2006 Electromagnetic compatibility—Testing and measurement techniques—Radiated, radio-frequency, electromagnetic field immunity test GB/T 17626.3-2016 Electromagnetic compatibility—Testing and measurement techniques—Radiated,radio-frequency,electromagnetic field immunity test GB/T 17626.3-2023 Electromagnetic compatibility—Testing and measurement techniques—Part 3:Radiated,radio-frequency,electromagnetic field immunity test GB/T 17626.8-1998 Electromagnetic compatibility—Testing and measurement techniques—Power frequency magnetic field immunity test GB/T 17626.8-2006 Electromagnetic compatibility—Testing and measurement techniques—Power frequency magnetic field immunity test GB/T 17626.9-1998 Electromagnetic compatibility Testing and measurement techniques Pulse magnetic field immunity test GB/T 17626.9-2011 Electromagnetic compatibility—Testing and measurement techniques—Pulse magnetic field immunity test GB/T 17626.9-2025 Electromagnetic compatibility—Testing and measurement techniques—Part 9:Impulse magnetic field immunity test GB/T 21671-2008 Acceptance test specification for local area network (LAN) systems based on ethernet technology GB/T 21671-2018 Ethernet technology based local area network(LAN)systems acceptance test methods GB/T 31235-2014 Technical specification for fittings of ±800 kV DC overhead transmission line GB/T 31235-2024 Technical specification for fittings of ±800 kV DC overhead transmission line GB 50545-2010 Code for design of 110kV~750kV overhead transmission line