标准摘要
[中文适用范围]: IEC 60728 的这一部分涉及适用于固定位置系统和设备的安全要求。只要适用,它也适用于移动和临时安装的系统,例如大篷车。可能会应用额外的要求,例如,涉及建筑物和架空线路的电气装置;其他电信服务分配系统;配水系统;气体分配系统;闪电系统。该标准旨在专门规定系统、系统工作人员、用户和用户设备的安全。它仅涉及安全方面,并不旨在定义系统中使用的设备的保护标准。 [外文原描述]: IEC 60728-11:2016 deals with the safety requirements applicable to fixed sited systems and equipment. As far as applicable, it is also valid for mobile and temporarily installed systems, for example, caravans. This fourth edition cancels and replaces the third edition published in 2010. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: - Correction of minimum cross-section of bonding conductor in Figure 6, Figure 14 and Figure 17. - Creation of new symbols for "overvoltage protective device - (OPD)" and for "coaxial overvoltage protective device - (COPD)". - Introduction of new OPD symbol to 3.2, Figure 3 and Figure 6. - Introduction of new COPD symbol to 3.2 and Figure 19. - In 3.1 replacement of terms CATV, MATV and SMATV by new terms and definitions due to changes in technology and use of cable networks. - Extension for remote feeding voltage on subscriber feeder. - Adaption to Edition 2.0 of the IEC 62305 series. - Deletion of informative Annex C and normative reference to the simplified software for the calculation of risk due to lightning (Annex J of IEC 62305-2:2006.) - New subclause 10.2.6 Fully-isolated system outlet provided by means of a FTTH system. The contents of the corrigendum of July 2016 have been included in this copy.
英文名称Cable networks for television signals, sound signals and interactive services - Part 11: Safety