Browse Standards

数字通信用对绞或星绞多芯对称电缆 第8部分：具有1200MHz及以下传输特性的对绞或星绞对称电缆 工作区布线电缆分规范

Multicore and symmetrical pair/quad cables for digital communications—Part 8: Symmetrical pair/quad cables with transmission characteristics up to 1200MHz－Work area wiring sectional specification

数字通信用对绞或星绞多芯对称电缆 第7部分：具有1200MHz及以下传输特性的对绞或星绞对称电缆 数字及模拟通信电缆分规范

Multicore and symmetrical pair/quad cables for digital communications—Part 7: Symmetrical pair/quad cables with transmission characteristics up to 1 200MHz—Sectional specification for digital and analog communication cables

数字通信用对绞或星绞多芯对称电缆 第1部分：总规范

Multicore and symmetrical pair/quad cables for digital communications—Part 1: Generic specification

连接器件 连接铜导线用的扁形快速连接端头 安全要求

Connecting devices—Flat quick-connect terminations for electrical copper conductors—Safety requirements

三相交流系统短路电流计算 第5部分：算例

Short-circuit current calculation in three-phase a.c.systems—Part 5: Examples

三相交流系统短路电流计算 第4部分：同时发生两个独立单相接地故障时的电流以及流过大地的电流

Short-circuit current calculation in three-phase a.c.systems—Part 4: Currents during two separate simultaneous line-to-earth short circuits and partial short-circuit currents flowing through earth

三相交流系统短路电流计算 第3部分：电气设备数据

Short-circuit current calculation in three-phase a.c.systems—Part 3:Data of electrical equipment

三相交流系统短路电流计算 第2部分：短路电流计算应用的系数

Short-circuit current calculation in three-phase a.c. systems—Part 2: Factors for the calculation of short-circuit currents

电气绝缘用树脂基活性复合物 第2部分：试验方法

Resin based reactive compounds used for electrical insulation—Part 2: Methods of test

变压器保护装置通用技术要求

General specification for transformer protection equipment

电气继电器 第21部分：量度继电器和保护装置的振动、冲击、碰撞和地震试验 第3篇：地震试验

Electrical relays—Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment—Section 3: Seismic tests

低压开关设备和控制设备 第3部分：开关、隔离器、隔离开关及熔断器组合电器

Low-voltage switchgear and controlgear—Part3: Switches，disconnectors，switch-disconnectors and fuse-combination units

低压开关设备和控制设备 第7-4部分：辅助器件 铜导体的PCB接线端子排

Low-voltage switchgear and controlgear—Part 7-4: Ancillary equipment—PCB terminal blocks for copper conductors

剩余电流动作保护装置安装和运行

Installation and operation of residual current operated protective devices

用电安全导则

General guide for safety of electric user

高压直流输电术语

Terminology for high-voltage direct current(HVDC) transmission

交流电容式套管型式与尺寸

Types and dimensions of a.c.capacitance graded bushings

调速电气传动系统 第8部分：电源接口的电压规范

Adjustable speed electrical power drive systems—Part 8:Specification of voltage on the power interface

可燃性粉尘环境用电气设备 第3部分：存在或可能存在可燃性粉尘的场所分类

Electrical apparatus for use in the presence of combustible dust—Part 3: Classification of areas where combustible dusts are or may be present

电气绝缘材料 耐热性 第3部分：计算耐热特征参数的规程

Electrical insulating materials—Thermal endurance properties —Part 3: Intrucations for calculating thermal endurance characteristics