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。
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GB/T 42321-2023
Additional requirements for internal arc classified pole-mounted metal-enclosed switchgear for rated voltages above 3.6 kV and up to and including 40.5 kV
GB/T 2317.4-2023
Test method for electric power fittings—Part 4:Acceptance inspection
GB/T 18494.3-2023
Converter transformers—Part 3: Application guide
GB/T 1094.101-2023
Power transformers—Part 101: Determination of sound levels—Application guide
GB/T 21972.1-2023
Technical specification for variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applications—Part 1: YZP series variable-frequency adjustable-speed three-phase induction motors for crane and metallurgical applicati
GB/T 42397-2023
Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects
GB/T 15166.6-2023
High-voltage alternating-current fuses—Part 6: Application guide for the selection of fuse-links of high-voltage fuses for transformer circuit applications
GB/T 15166.3-2023
High-voltage alternating-current fuses—Part 3: Expulsion fuses
GB/T 22769-2023
Electric bathroom heater (Yuba)
GB/T 42472-2023
Critical current measurement—Retained critical current after double bending at room temperature of Ag-sheathed Bi-2223 superconducting wires
GB/T 15544.1-2023
Short-circuit current calculation in three-phase a.c. systems—Part 1: Calculation of currents
GB/T 42320-2023
Technical directives for planning of energy internet
GB/T 30656-2023
Polished monocrystalline silicon carbide wafers
GB/T 42393-2023
Drawing method of wind damage map of area in power grid in consideration of high altitude microtopography and micrometeorology
GB/T 16608.1-2023
Electromechanical telecom elementary relays of assessed quality—Part 1: Generic specification and blank detail specification
GB/T 21711.1-2023
Electromechanical elementary relays—Part 1: General and safety requirements
GB/T 42322-2023
Energy internet system—Interconnection of active distribution network
GB/T 16895.22-2022
Low-voltage electrical installations—Part 5-53: Selection and erection of electrical equipment—Devices for protection for safety, isolation, switching, control and monitoring
GB/T 16895.13-2022
Low-voltage electrical installations—Part 7-701: Requirements for special installations or locations—Locations containing a bath or shower
GB/T 31464-2022
The grid operation code