Low-voltage electrical installations - Part 7-717: Requirements for special installations or locations - Mobile or transportable units
适用范围:IEC 60364-7-717:2009 is applicable to mobile or transportable units. For the purposes of this standard, the term "unit" refers to a vehicle and/or mobile or transportable structure in which all or part...
发布日期:2009-07-30 实施日期:2009-07-30
Code for construction quality checkout and evaluation of overhead earth electrode line of ±800kV DC transmission system
发布日期:2008-12-09 实施日期:2008-12-09
Specification for construction and acceptance of earthing pole in±800kV & under Dc transmission
发布日期:2010-05-01 实施日期:2010-10-01
发布日期:2012-04-30
Lightning protection system components (LPSC). Part 5:Requirements for earth electrode inspection housings and earth electrode seals
适用范围:IEC 62561-5:2011 specifies the requirements and tests for - earth electrode inspection housings (earth pit), - earth electrode seals.Lightning protection system components (LPSC) may also be suitable f...
发布日期:2011-06-23 实施日期:2011-06-23
Code for construction and acceptance of overhead earth electrode line of ±800kV DC transmission system
发布日期:2008-12-09 实施日期:2008-12-09
Electric power technology; current systems, concepts, quantities and letter symbols
适用范围:This standard specifies concepts, quantities and symbols for current systems in electric power engineering.#,,#
Elektrische Anlagen von Gebaeuden -- Teil 4:Schutzmassnahmen -- Kapitel 44:Schutz bei Ueberspannungen -- Hauptabschnitt 442:Schutz von Niederspannungsanlagen bei Erdschluessen in Netzen mit hoelerer Sp...
实施日期:1997-11-01
Technical guide of HVDC earth electrode system
适用范围:本标准规定了高压直流接地极的名词术语定义,并提出了技术条件、试验项目与方法以及运行维护的一般技术原则。本标准适用于单极和双极运行的高压直流输电系统两端接地极系统,不适用于换流站接地网。
发布日期:2012-01-04 实施日期:2012-03-01
Low-voltage electrical installations. Part 7-717:Requirements for special installations or locations. Mobile or transportable units
发布日期:2010-10-01 实施日期:2010-10-01
Two-pole socket-outlets with earthing contact, 16 A 250 V a.c. - Part 2: Mobile multiple socket-outlets; combination of socket-outlets, 16 A 250 V and socket-outlets 2, 5 A 250 V - Main dimensions
实施日期:2006-09-01
发布日期:2012-07-31 实施日期:2012-07-31
Low-voltage electrical installations - Part 5-54: Selection and erection of electrical equipment - Earthing arrangements and protective conductors
适用范围:IEC 60364-5-54:2011 addresses the earthing arrangements and protective conductors including protective bonding conductors in order to satisfy the safety of the electrical installation. This third editi...
发布日期:2011-03-23 实施日期:2011-03-23
Guide for measuring earth resistivity,ground impedance and earth surface potentials of a ground system--Part 1:Normal measurements
适用范围:本标准的测试方法包括: (1)测量从小型接地棒、接地板到电站大型接地系统等各种接地极的接地电阻和接地阻抗; (2)测量地面电位,包括测量跨步电压、接触电压和等电位线; (3)为完善工程设计,按比例模型试验法,在试验室内...
发布日期:2000-01-03 实施日期:2000-08-01
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