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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
GB/T 28575-2020
Specification for YE3 series (IP55) three-phase induction motors (Frame size 63～355)
GB/T 20840.103-2020
Instrument transformers—Part 103：The use of instrument transformers for power quality measurement
GB/T 20840.102-2020
Instrument transformers—Part 102: Ferroresonance oscillations in substations with inductive voltage transformers
GB/T 17467-2020
High-voltage/low-voltage prefabricated substation
GB/T 17045-2020
Protection against electric shock—Common aspects for installations and equipment
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)
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)
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)
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)
GB/T 10068-2020
Mechanical vibration of certain machines with shaft heights 56 mm and higher—Measurement, evaluation and limits of vibration severity
GB/T 9330-2020
Plastic insulated control cables
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
GB/T 1094.15-2020
Power transformers—Part 15：Gas-filled power transformers
GB/T 38439-2019
Measuring specifications for methods to obtrusive light of outdoor lighting
GB/T 38438-2019
Operational evaluation index system for electric power communication network
GB/T 38437-2019
Methods of measurement of the magnetic dipole moment of a ferromagnetic material specimen by the withdrawal or rotation method
GB/T 38436-2019
Engineering data handover specification for power transmission and transformation
GB/T 38435-2019
Specification for protection configuration and setting for transmission line of electrified railway traction station
GB/T 38429.2-2019
Explosion protected safety technique of automotive LPG filling stations—Part 2: Explosion protected components related to LPG dispensers and installation requirements