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	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 - 英文版
	GB/T 1001.1-2021 Insulators for overhead lines with a nominal voltage above 1 000V—Part 1:Ceramic or glass insulator units for a.c.systems—Definitions,test methods and acceptance criteria - 英文版
	GB/T 16895.33-2021 Low-voltage electrical installations—Part 5-56:Selection and erection of electrical equipment—Safety services - 英文版
	GB/T 16895.10-2021 Low-voltage electrical installations -- Part 4-44: Protection for safety -- Protection against voltage disturbances and electromagnetic disturbances - 英文版
	GB/T 19334-2021 Dimensions of low-voltage switchgear and controlgear—Standardized mounting on rails for mechanical support of switchgear,controlgear and accessories - 英文版
	GB/T 30845.2-2021 Plugs, socket-outlets and ship couplers for high-voltage shore connection systems (HVSC-systems)—Part 2: Dimensional compatibility and interchangeability requirements for accessories to be used by various types of ships - 英文版
	GB/T 40588-2021 Technical provisions for automatic under-voltage load shedding in electric power systems - 英文版
	GB/T 40427-2021 Technical guidelines for power system voltage and reactive power - 英文版
	GB/T 40615-2021 Guides of power system voltage stability evaluation - 英文版
	GB/T 14824-2021 High-voltage alternating-current generator circuit-breakers - 英文版
	GB/T 40779-2021 Information technology—Telecommunications and information exchange between systems—Low-voltage power line communication protocol for urban street light access - 英文版
	GB/T 40865-2021 Terminology for voltage source converter based high voltage direct current(VSC-HVDC) transmission - 英文版
	GB/T 40786.2-2021 Information technology—Telecommunications and information exchange between systems—Low voltage power line communication—Part 2: Data link layer specification - 英文版
	GB/T 40786.1-2021 Information technology—Telecommunications and information exchange between systems—Low voltage power line communication—Part 1: Physical layer specification - 英文版
	GB/T 24621.1-2021 Application guide for electric safety of low-voltage switchgear and controlgear assemblies—Part 1: switchgear assemblies - 英文版
	GB/T 16895.7-2021 Low-voltage electrical installations—Part 7-704:Requirements for special installations or locations—Construction and demolition site installations - 英文版
	GB/T 14048.2-2020 Low-voltage switchgear and controlgear—Part 2: Circuit-breakers - 英文版
	GB/T 14048.4-2020 Low-voltage switchgear and controlgear—Part 4-1: Contactors and motor-starters—Electromechanical contactors and motor-starters (Including motor protector) - 英文版
	GB/T 38922-2020 General specification for 35kV and below voltage standardized protection equipment - 英文版
	GB/T 38878-2020 System tests for the projects of high-voltage direct current (HVDC) transmission power using voltage sourced converters (VSC) - 英文版
	GB/T 29311-2020 Electrical insulating materials and systems—AC voltage endurance evaluation - 英文版
	GB/T 38658-2020 Guidance for the extension of validity of type tests of AC metal enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV - 英文版
	GB/T 20840.102-2020 Instrument transformers—Part 102: Ferroresonance oscillations in substations with inductive voltage transformers - 英文版
	GB/T 17467-2020 High-voltage/low-voltage prefabricated substation - 英文版
	GB/T 3906-2020 Alternating-current metal-enclosed switchgear and controlgear for rated voltages above 3.6 kV and up to and including 40.5 kV - 英文版
	GB/T 12706.4-2020 Power cables with extruded insulation and their accessories for rated voltages from l kV (Um=1.2 kV) up to 35 kV(Um=40.5 kV)—Part 4:Test requirements on accessories for cables with rated voltages from 6 kV(Um=7.2 kV) up to 35 kV(Um=40.5 kV) - 英文版
	GB/T 12706.3-2020 Power cables with extruded insulation and their accessories for rated voltages from 1kV (Um=1.2kV) up to 35kV (Um=40.5kV)—Part 3: Cables for rated voltages of 35kV(Um=40.5kV) - 英文版
	GB/T 12706.2-2020 Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um=1.2 kV) up to 35 kV (Um=40.5 kV)—Part 2: Cables for rated voltages from 6 kV(Um=7.2 kV) up to 30 kV(Um=36 kV) - 英文版
	GB/T 12706.1-2020 Power cables with extruded insulation and their accessories for rated voltages from 1 kV (Um=1.2 kV) up to 35 kV (Um=40.5 kV)—Part 1: Cables for rated voltage of 1 kV(Um=1.2 kV)and 3 kV(Um=3.6 kV) - 英文版
	GB/T 31489.4-2020 D.C. extruded cables systems for power transmission at a rated voltage up to and including 500kV—Part 4: Accessories for D.C. cables - 英文版

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