K04 基础标准和通用方法 标准查询与下载

IEC 60050-702:1992/AMD6:2021 国际电工词汇(IEV). 第702部分: 振荡,信号和相关装置; 修改件6

International Electrotechnical Vocabulary (IEV) - Part 702: Oscillations, signals and related devices; Amendment 6

IEC 60050-561:2014/AMD3:2021 国际电工词汇(IEV). 第561部分: 频率控制, 选择和检测用压电, 介电和静电装置以及相关材料; 修改件3

International Electrotechnical Vocabulary (IEV) - Part 561: Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control, selection and detection; Amendment 3

IEC 60050-725:1994/AMD3:2021 国际电工词汇(IEV). 第725部分: 空间无线电通信; 修改件3

International Electrotechnical Vocabulary (IEV) - Part 725: Space radiocommunications; Amendment 3

IEC 60050-801:1994/AMD3:2021 国际电工词汇. 第801章: 声学和电声学. 修改件3

International Electrotechnical Vocabulary (IEV) - Part 801: Acoustics and electroacoustics; Amendment 3

DIN EN 300019-2-8:2021 环境工程(EE). 电信设备的环境条件和环境试验. 第2-8部分: 地下用固定设备的环境试验规范(英文版本EN 300 019-2-8 V2.2.1(2020-03)的核准本作为德国标准)

This European Standard (EN) has been developed by the European Standardization Organization ETSI (European Telecommunication Standardization Institute) and specifies requirements in the telecommunications sector.

Environmental Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 2-8: Specification of environmental tests - Stationary use at underground locations (Endorsement of the English version EN 300 019-2-

ISO 21498-1:2021 电动汽车.B级电压系统和部件的电气规范和试验. 第1部分: 电压子类和特性

This document applies to voltage class B electric propulsion systems and connected auxiliary electric systems of electrically propelled road vehicles. Additionally, it applies to electric circuits and components in these systems. This document provides specifications of voltage sub-classes related to DC electric circuits. It also provides specifications of characteristics which are relevant for design and operation of systems and components for the voltage sub-classes. This document does not cover electrical safety (see ISO 17409 and the ISO 6469 series).

Electrically propelled road vehicles - Electrical specifications and tests for voltage class B systems and components - Part 1: Voltage sub-classes and characteristics

IEC 60050-121:1998/AMD4:2021 国际电工词汇(IEV). 第121部分: 电磁学; 修改件4

International Electrotechnical Vocabulary (IEV) - Part 121: Electromagnetism; Amendment 4

PNS ISO 14016:2021 环境管理.环境报告保证指南

Environmental management - Guidelines on the assurance of environmental reports

PNS IEC 60364-4-42:2021 低压电气装置.第4-42部分：安全防护.热效应防护

This part of PNS IEC 60364 applies to electrical installations with regard to measures for the protection of persons, livestock and property against\n- thermal effects, combustion or degradation of materials, and risk of burns caused by electrical equipment,\n- flames in case of a

Low-voltage electrical installations - Part 4-42: Protection for safety - Protection against thermal effects

IEC 60050-845:2020 国际电工词汇(IEV). 第845部分: 照明

This part of IEC 60050 gives the general terminology used in lighting, as well as general terms pertaining to specific applications and associated technologies. This second edition reviews and complements the previous one. It has the status of a horizontal standard in accordance

International electrotechnical vocabulary (IEV) - Part 845: Lighting

IEC 60050-113:2011/AMD4:2020 国际电工词汇(IEV). 第113部分: 电工物理学; 修改件4

International Electrotechnical Vocabulary (IEV) - Part 113: Physics for electrotechnology; Amendment 4

IEC 60617 DATABASE SNAPSHOTS:2020 制图用图形符号

Graphical symbols for diagrams (DATABASE SNAPSHOT) ((SNAPSHOTS ARE NOT AVAILABLE FOR RETAIL PURCHASE))

IEC 60417 DATABASE SNAPSHOTS:2020 设备用图形符号

Graphical symbols for use on equipment (DATABASE SNAPSHOT) ((SNAPSHOTS ARE NOT AVAILABLE FOR RETAIL PURCHASE))

IEC 62474:2020 电气工业产品用材料声明

This document specifies the procedure, content, and form relating to material declarations for products and accessories of organizations operating in and supplying to the electrotechnical industry. Process chemicals, emissions during product use and product packaging material are

Material declaration for products of and for the electrotechnical industry

BS PD IEC TR 63282:2020 LVDC 系统 标准电压和电能质量要求的评估

LVDC systems. Assessment of standard voltages and power quality requirements

NF Z87-019-2-8:2020 环境工程(EE). 环境条件和环境试验. 用于电信设备. 第2-8部分: 环境试验规范. 在地下固定使用(V2.2.1)

Environmental Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 2-8 : specification of environmental tests - Stationary use at underground locations (V2.2.1)

DIN EN IEC 60068-2-82:2020 环境试验. 第2-82部分: 试验. 试验Xw1: 电子组件中使用的组件和部件的晶须试验方法(IEC 60068-2-82-2019); 德文版 EN IEC 60068-2-82-2019

This part of IEC 60068 specifies tests for the whiskering propensity of surface finishes of electric or electronic components and mechanical parts like e. g. punched/stamped parts (jumpers, electrostatic discharge protection shields, mechanical fixations, press-fit pins and other

Environmental testing - Part 2-82: Tests - Test Xw1: Whisker test methods for components and parts used in electronic assemblies (IEC 60068-2-82:2019); German version EN IEC 60068-2-82:2019

DIN IEC/TR 61577-5:2020 辐射防护仪器. 氡和氡衰变产品测量仪器. 第5部分: 氡和氡衰变产品的一般特性及其测量方法(IEC TR 61577-5-2019)

This technical report provides basic data and technical information in order to support the design of instruments and their practical application for the measurement. The report covers Rn-222 as well as Rn-220 and the short-lived decay products of both.

Radiation protection instrumentation - Radon and radon decay product measuring instruments - Part 5: General properties of radon and radon decay products and their measurement methods (IEC TR 61577-5:2019)

T/GEIA 11-2020 配用电系统节电装置节电量测量和验证技术导则

Technical Guidelines for Measurement and Verification of Power Saving Devices in Power Distribution and Utilization Systems

DL/T 1167-2019 同步发电机励磁系统建模导则

Guidelines for Modeling Excitation Systems of Synchronous Generators