Browse Standards

4331+ standards in database

4331 result(s) found

GB/T 31487.2-2025 即将实施

直流融冰装置 第2部分:换流器

Direct current deicers—Part 2: Converters

ICS: 29.240.99
2026-07-01
GB/T 30423-2025 即将实施

高压直流设施 系统试验

High-voltage direct current (HVDC) installations—System tests

ICS: 29.130.10;31.080.01
2026-07-01
GB/T 35031.5-2025 即将实施

用户端能源管理系统 第5部分:应用侧接口规范

Customer energy management system—Part 5: Application interface specification

ICS: 29.020
2026-07-01
GB/T 44069.13-2025 Active

铁氧体磁心 尺寸和表面缺陷极限导则 第13部分:PQ型磁心

Ferrite cores—Guidelines on dimensions and the limits of surface irregularities—Part 13: PQ-cores

ICS: 29.100.10
2026-04-01
GB/T 46895-2025 即将实施

高压输电线路人工瞬时短路试验方法

Test method for artificial transient short-circuit of high voltage transmission line

ICS: 29.240.20
2026-07-01
GB/T 22200.3-2025 即将实施

低压电器可靠性 第3部分:过载继电器可靠性试验方法

Reliability for low-voltage apparatus—Part 3: Reliability test method of overload relay

ICS: 29.120.40
2026-07-01
GB/T 14048.16-2025 即将实施

低压开关设备和控制设备 第8部分:旋转电机用装入式热保护 (PTC)控制单元

Low-voltage switchgear and controlgear—Part 8: Control units for built-in thermal protection (PTC) for rotating electrical machines

ICS: 29.130.20
2026-07-01
GB/T 46959-2025 即将实施

三相交流系统短路容量计算

Short-circuit power calculation in three-phase a.c. systems

ICS: 29.240.20
2026-07-01
GB/T 9364.5-2025 即将实施

小型熔断器 第5部分:小型熔断体质量评定导则

Miniature fuses—Part 5: Guidelines for quality assessment of miniature fuse-links

ICS: 29.120.50
2026-07-01
GB/T 44233.5-2025 Active

蓄电池和蓄电池组安装的安全要求 第5部分:固定锂离子电池的安全操作

Safety requirements for secondary batteries and battery installations—Part 5: Safe operation of stationary lithium-ion batteries

ICS: 29.220.20
2026-07-01
GB/T 22200.7-2025 即将实施

低压电器可靠性 第7部分:接触器可靠性试验方法

Reliability for low-voltage apparatus—Part 7: Reliability test method of contactors

ICS: 29.120.99
2026-07-01
GB/T 22200.6-2025 即将实施

低压电器可靠性 第6部分:接触器式继电器可靠性试验方法

Reliability for low-voltage apparatus—Part 6: Reliability test method of contactor relay

ICS: 29.120.99
2026-07-01
GB/T 22200.5-2025 即将实施

低压电器可靠性 第5部分:家用和类似用途的剩余电流动作断路器可靠性试验方法

Reliability of low-voltage apparatus—Part 5:Reliability test method of residual current operated circuit-breaker for household and similar uses

ICS: 29.120.50
2026-07-01
GB/T 22200.1-2025 即将实施

低压电器可靠性 第1部分:通则

Reliability for low-voltage apparatus—Part 1: General rules

ICS: 29.120.40
2026-07-01
GB/T 24276-2025 即将实施

通过计算进行低压成套开关设备和控制设备温升验证的一种方法

A method of temperature-rise verification of low-voltage switchgear and controlgear assemblies by calculation

ICS: 29.130.20
2026-07-01
GB/T 46906-2025 即将实施

航空障碍物标志与障碍灯技术规范

Technical specification for marking and light of aviation obstacles

ICS: 29.140.40
2026-07-01
GB/T 28429-2025 即将实施

电气化铁路电缆 1500V及以下直流牵引电力电缆及附件

Cables for electrified railway—DC traction power cables and accessories up to 1500V

ICS: 29.280
2026-07-01
GB/T 14048.25-2025 即将实施

低压开关设备和控制设备 第9-2部分:电弧故障主动抑制系统 基于光信号的内部电弧探测和抑制设备

Low-voltage switchgear and controlgear—Part 9-2: Active arc-fault mitigation systems—Optical-based internal arc-detection and mitigation devices

ICS: 29.120.40;29.130.20
2026-07-01
GB/T 47113-2026 即将实施

主动磁悬浮轴承稳定性评价

Stability evaluation of active magnetic bearings

ICS: 29.100.99
2026-08-01
GB/T 47033-2026 即将实施

电源切换设备(SSE)的特殊要求

Particular requirements for source switching equipment (SSE)

ICS: 29.020;03.100.70
2026-08-01
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