GB/T 16895.3-2004 建筑物电气装置 第5-54部分：电气设备的选择和安装 接地配置、保护导体和保护联结导体

ICS91.140.50

Q77

85t

中华人民共和国国家标准

GB16895.3-2004/IEC60364-5-54:2002

代替GB16895.3-1997

建筑物电气装置

第5-54部分:电气设备的选择和安装

接地配置、保护导体和保护联结导体

Eletricalinstallationsofbuildings-

Part5-54:Selectionanderectionofelectricalequipment-

Earthingarrangements,protectiveconductorsandprotectivebondingconductors

(IEC60364-5-54:2002,IDT)

2004-05-14发布2005-02-01实施

中华人民共和国国家质量监督检验检疫总局发布

中国国家标准化管理委员会

GB16895.3-2004/IEC60364-5-54:2002

目次

前言·················································································································……皿

541总则······································································································……1

541.1范围.·1

541.2规范性引用文件··························································································……1

541.3定义········································································································……1

542接地配置····································································································……2

542.1一般要求·····························································································，·····……2

542.2接地极·····，·······························································································……2

542.3接地导体···································································································……4

542.4总接地端子·····，··························································································……4

543保护导体······································································································……4

543.1最小截面积································································································……4

543.2保护导体类型·····························································································……5

543.3保护导体的电气连续性·················································································……6

543.4PEN导体···························，·······，·······························································……6

543.5保护和功能共用接地····················································································……6

543.6保护导体的配置··············，······································································、···……7

543.7保护导体电流超过10mA的加强型保护导体······················································……7

544保护联结导体(等电位联结导体)·······································································……7

544.1接到总接地端子的保护联结导体·····································································……7

544.2作辅助联结用的保护联结导体.·7

附录A(规范性附录)543.1.2中系数k的计算方法(也可见IEC60724和IEC60949)8

附录B(资料性附录)接地配置、保护导体和保护联结导体的说明11

表54.1考虑了腐蚀和机械强度，对于埋人土壤中的常用材料的接地极的最小尺寸···············……3

表54.2埋在土壤中的接地导体的最小截面积·····························································一·4

表54.3保护导体的最小截面积·············································································…·…5

表A.54.1不同材料的参数值···············································································…·…8

表A.54.2非电缆芯线且不与其他电缆成束敷设的绝缘保护导体的k·····························……8

表A.54.3与电缆护层接触但不与其他电缆成束敷设的裸保护导体的k···························……9

表A.54.4电缆芯线或与其他电缆或绝缘导体成束敷设的保护导体的k···························……9

表A.54.5用电缆的金属护层，如恺装、金属护套、同心导体等作保护导体的k··················……9

表A.54.6所示温度不损伤相邻材料时的裸导体的k···············································……10

参考文献·······································，···································································……13

GB16895.3-2004/IEC60364-5-54:2002

月0青

GB16895的本部分全部技术内容为强制性。

本部分等同采用IEC60364-5-54:2002(第2版)《建筑物电气装置第5-54部分:电气设备的选

择和安装接地配置、保护导体和保护联结导体))(英文版)。

本部分代替GB16895.3-1997《建筑物电气装置第5部分:电气设备的选择和安装第54章:

接地配置和保护导体》(第1版)。

本部分是系列标准《建筑物电气装置》的一部分。

本部分的章条编号与IEC364-5-54:2002完全一致。

本部分与GB16895.3-1997相比，其主要变动如下:

1)增加了规范性引用文件(见541.2)、定义(见541.3)和参考文献;

2)将GB16895.3-1997中544,545和546章的内容合并调整为543.4,543.5,543.6和543.7;

3)将GB16895.3-1997中547章调整为544章，并将题目改为保“护联结导体(等电位联

结导体)”;

4)以表54.1的形式增加了常用材料的接地极最小尺寸值;

5)将GB16895.3-1997中表54B、表54C、表54D和表54E合并到附录A，并调整了数据内容和

格式;

6)细化了附录B的技术内容。

本部分的附录A为规范性附录，附录B为资料性附录。

本部分由全国建筑物电气装置标准化技术委员会提出并归口。

本部分由机械科学研究院负责起草。

本部分的参加起草单位:机械科学研究院、中国轻工业北京设计院、机械科学研究院。

本部分主要起草人:李世林、黄妙庆、郭汀。

本部分代替标准的历次版本发布情况:

-GB16895.3-1997

GB16895.3-2004/IEC60364-5-54:2002

建筑物电气装置

第5-54部分:电气设备的选择和安装

接地配置、保护导体和保护联结导体

541总则

541.1范围

系列标准建《筑物电气装置》的本部分对接地配置、保护导体和保护联结导体作出了相应的规定，以

便满足电气装置安全方面的要求。

541.2规范性引用文件

下列文件中的条款通过GB16895的本部分的引用而成为本部分的条款。凡是注日期的引用文

件，其后所有的修改单(不包括勘误的内容)或修改版均不适用于本部分;然而，鼓励根据本部分达成协

议的各方研究是否可使用这些文件的最新版本。凡是不注日期的引用文件，其最新版本适用于本部分。

GB14821.1建筑物电气装置电击防护(GB14821.1-1993,egvIEC60364-4-41;1992)

GB16895.5建筑物电气装置第4部分:安全防护第43章:过电流保护(GB16895.5-2000,

idtIEC60364-4-43:1977)

GB16895.6建筑物电气装置第5部分:电气设备的选择和安装第52章:布线系统。

(GB16895.6-2000idtIEC60364-5-52:1993)

GB/T17045电击防护装置和设备的通用部分(GB/T17045-1997idtIEC61140:1992)

IEC60050(195)国际电工词汇(IEV)第195部分:接地与电击防护

IEC60287-1-1电缆额定电流的计算第1-1部分:额定电流公式(100%负荷系数)和损耗

计算总则

IEC60364-4-44建筑物电气装置第4-44部分:安全防护电压干扰和电磁干扰的防护

IEC60724额定电压为1kV(呱=1.2kV)和3kV(U.=3.6kV)电缆的短路温度极限

IEC60853-2电缆的周期性和应急额定电流的计算第2部分:18/30(36)kV以上电缆的周期

性额定电流和所有电压等级电缆的应急额定电流值

IEC60909-0三相交流系统的短路电流第。部分:电流计算

IEC60949计及非绝热热效应，热量容许的短路电流的计算

IEC61024-1建筑物的防雷保护第1部分:一般原则

IEC导则104安全出版物的编写及基础安全出版物和分类安全出版物的应用

541.3定义

对于本部分，GB/T17045的定义和取自IEC60050095)的下列定义都适用。

对于接地配置、保护导体和保护联结导体所采用的定义，分别在附录B中和下列相应各条中给予

说明。

541.3.1

外露可导电部分exposed-conductive-part

设备上能触及到的在正常情况下不带电，但在基本绝缘损坏时可变为带电的可导电部分。

FIEV195-06-10刁

GB16895.3-2004/IEC60364-5-54:2002

541.3.2

总接地端子[总接地母线]mainearthingterminal(mainearthingbusbar)

电气装置接地配置的一部分，用于与若干接地用的导体实行电气连接的端子或母线。

仁IEV195-02-33]

541.3.3

接地极earthelectrode

埋人特定的导电介质(如混凝土或焦炭)中，与地有电气接触的导电部分。

[IEV195-02-01]

541.3.4

保护导体protectiveconductor

为安全目的(如电击防