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4331+ standards in database
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不间断电源系统(UPS) 第4部分:环境 要求及报告
Uninterruptible power systems(UPS)—Part 4:Environmental aspects—Requirements and reporting
静电防护管理通用要求
General requirements for electrostatic discharge protection management
数控装备互联互通及互操作 第1部分:通用技术要求
Interconnection and interoperation of numerical control equipment—Part 1: General technical requirement
数控装备互联互通及互操作 第6部分:数控机床测试与评价
Interconnection and interoperation of numerical control equipment—Part 6:Testing and evaluation of numerical control machine tool
自整角机通用技术条件
General specification for synchro
LED灯串性能要求
Performance requirements for LED lighting chains
普通照明用有机发光二极管(OLED)面板 性能要求
Organic light emitting diode (OLED) panels for general lighting—Performance requirements
LED灯丝灯 性能要求
LED filament lamp—Performance requirements
1000kV交流系统电压和无功电力技术导则
Technical guide on 1000kV AC system voltage and reactive power
旋转电机 绕组绝缘 第4部分:绝缘电阻和极化指数测量
Rotating electrical machines—The winding insulation—Part 4: Measurement of insulation resistance and polarization index
旋转电机 绕组绝缘 第1部分:离线局部放电测量
Rotating electrical machines—The winding insulation—Part 1:Off-line partial discharge measurements
低压电涌保护器 第32部分:用于光伏系统的电涌保护器 选择和使用导则
Low-voltage surge protective devices—Part 32: Surge protective devices connected to photovoltaic installations—Selection and application principles
低压电涌保护器 第31部分:用于光伏系统的电涌保护器 性能要求和试验方法
Low-voltage surge protective devices—Part 31: Surge protective devices connected to photovoltaic installations—Requirements and test methods
调速电气传动系统 第9-2部分:电气传动系统、电机起动器、电力电子设备及其传动应用的生态设计 电气传动系统和电机起动器的能效指标
Adjustable speed electrical power drive systems—Part 9-2: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—Energy efficiency indicators for power drive systems and motor starters
调速电气传动系统 第9-1部分:电气传动系统、电机起动器、电力电子设备及其传动应用的生态设计 采用扩展产品法(EPA)和半解析模型(SAM)制定电气传动设备能效标准的一般要求
Adjustable speed electrical power drive systems—Part 9-1: Ecodesign for power drive systems, motor starters, power electronics and their driven applications—General requirements for setting energy efficiency standards for power driven equipment using the
灯头的型式和尺寸 第3部分:预聚焦式灯头
Types and dimensions of lamp caps—Part 3:Prefocus caps
智能变电站继电保护和电网安全自动装置安全措施要求
Requirements for safety measures of relaying protection and security automatic equipment in smart substation
电缆或光缆在特定条件下燃烧的烟密度测定 第2部分:试验程序和要求
Measurement of smoke density of cables or optical fiber cables burning under defined conditions—Part 2: Test procedure and requirements
电缆或光缆在特定条件下燃烧的烟密度测定 第1部分:试验装置
Measurement of smoke density of cables or optical fiber cables burning under defined conditions—Part 1: Test apparatus
取自电缆或光缆的材料燃烧时释出气体的试验方法 第2部分:酸度(用pH测量)和电导率的测定
Test on gases evolved during combustion of materials from cables or optical fiber cables—Part 2: Determination of acidity (by pH measurement) and conductivity