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4331+ standards in database
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就地化继电保护装置检测规范 第1部分：通用部分
Test specification for on-site protection equipment—Part 1：General part
大功率LED的光学测量
Optical measurement of high-power LED
铅酸蓄电池用水
Water for lead acid storage battery
铅酸蓄电池用电解液
Electrolyte for lead acid storage battery
电气装置用电缆密封头
Cable glands for electrical installations
切相调光照明系统中切相调光器的电气接口规范
Electrical interface specification for phase-cut dimmer in phase-cut dimmed lighting systems
电气装置用电缆夹具
Cable cleats for electrical installations
电气安装用电缆槽管系统 第2部分：特殊要求 第3节：安装在机柜中的带槽电缆线槽系统
Cable trunking systems and cable ducting systems for electrical installations—Part 2: Particular requirements—Section 3：Slotted cable trunking systems intended for installation in cabinets
具有内部电弧类别的3.6 kV～40.5 kV柱上安装金属封闭开关设备的附加要求
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
电力金具试验方法 第4部分：验收规则
Test method for electric power fittings—Part 4:Acceptance inspection
变流变压器 第3部分：应用导则
Converter transformers—Part 3: Application guide
电力变压器 第101部分：声级测定 应用导则
Power transformers—Part 101: Determination of sound levels—Application guide
起重及冶金用变频调速三相异步电动机技术条件 第1部分：YZP系列起重及冶金用变频调速三相异步电动机（机座号100～400）
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
考虑非绝热效应时允许短路电流的计算
Calculation of thermally permissible short-circuit currents, taking into account non-adiabatic heating effects
高压交流熔断器 第6部分：用于变压器回路的高压熔断器的熔断件选用导则
High-voltage alternating-current fuses—Part 6: Application guide for the selection of fuse-links of high-voltage fuses for transformer circuit applications
高压交流熔断器 第3部分：喷射熔断器
High-voltage alternating-current fuses—Part 3: Expulsion fuses
浴室电加热器具(浴霸)
Electric bathroom heater (Yuba)
三相交流系统短路电流计算 第1部分：电流计算
Short-circuit current calculation in three-phase a.c. systems—Part 1: Calculation of currents
能源互联网规划技术导则
Technical directives for planning of energy internet
碳化硅单晶抛光片
Polished monocrystalline silicon carbide wafers