Browse Standards
4331+ standards in database
4331 result(s) found
器具开关 第1部分：通用要求
Switches for appliances - Part 1: General requirements
热塑性弹性体 低烟无卤阻燃材料规范
Thermoplastic elastomer - Specification for low-smoke halogen-free flame retardant materials
量度继电器和保护装置 第11部分：辅助电源端口电压暂降、短时中断、电压变化和纹波
Measuring relays and protection equipment - Part 11: Voltage dips, short interruptions, variations and ripple on auxiliary power supply port
电源电压为1 100V及以下的变压器、电抗器、电源装置和类似产品的安全 第5部分：隔离变压器和内装隔离变压器的电源装置的特殊要求和试验
Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100V - Part 5: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers
机床电气、电子和可编程电子控制系统 保护联结电路连续性试验规范
Electrical ,electronic and programmable electronic control systems of machine tools - Specification of the continuity of the protective bonding circuit test
机床电气、电子和可编程电子控制系统 耐压试验规范
Electrical, electronic and programmable electronic control systems of machine tools - Specification of withstanding voltage test
电池供电的应急疏散照明自动试验系统
Automatic test systems for battery powered emergency escape lighting
电力系统安全稳定控制技术导则
Technical guide for electric power system security and stability control
火花试验机
Spark tester
太阳能光伏照明用电子控制装置 性能要求
Electronic controllers for solar photovoltaic (PV) lighting - Performance specifications
高压架空线路用长棒形瓷绝缘子元件特性
Characteristics of ceramic insulator units of the long rod type for high-voltage overhead lines
电力变压器 第6部分：电抗器
Power transformers - Part 6: Reactors
标称电压高于1000V低于300kV系统用户内有机材料支柱绝缘子的试验
Insulator-Test on indoor post insulator of organic material for systems with nominal voltages greater than 1000V up to but not including 300kV
电气项目的标准数据元素类型和相关分类模式 第1部分：定义 原则和方法
Standard data element types with associated classification scheme for electric items - Part 1：Definitions - Principles and methods
牵引电气设备 列车总线 第1部分：列车通信网络
Electric railway equipment - Train bus - Part 1: Train communication network
牵引旋转电机换向的评定和编码准则
Criteria for assessing and coding of the commutation of rotation electrical machines for traction
窗用动力通风器
Ventilator for windows
额定电压72.5 kV及以上交流隔离断路器
High-voltage alternating current disconnecting circuit-breakers for rated voltages of 72.5 kV and above
额定电压52kV及以下带串联间隙避雷器
Surge arresters containing series gapped structures with rated voltage 52 kV and less
电力牵引 轨道机车车辆和公路车辆用旋转电机 第3部分：用损耗总和法确定变流器供电的交流电动机的总损耗
Electric traciton - Rotating electrical machines for rail and road vehicles - Part 3: Determination of the total losses of convertor-fed alternating current motors by summation of the component losses