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GA/T 670-2006 English PDF

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GA/T 670-2006: Specification of lightning-surge protection for security and protection system
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PDF similar to GA/T 670-2006


Standard similar to GA/T 670-2006

GB 8108   GA 1051   GB 10408.3   GA/T 669.8   GA/T 669.10   GA/T 669.1   

Basic data

Standard ID GA/T 670-2006 (GA/T670-2006)
Description (Translated English) Specification of lightning-surge protection for security and protection system
Sector / Industry Public Security (Police) Industry Standard (Recommended)
Classification of Chinese Standard A91
Classification of International Standard 13.310
Word Count Estimation 19,127
Date of Issue 2006-12-14
Date of Implementation 2007-06-01
Quoted Standard GB 18802.1-2002; GB 50057-1994(2000���); GB 50343-2004; GB 50348-2004
Issuing agency(ies) Ministry of Public Security
Summary This standard stipulates the basic requirements of the lightning protection system of the safety precaution system, emphatically stipulates the specific requirements of the lightning protection of the security system. This standard is applicable to the design, implementation and inspection of lightning protection for security systems.

GA/T 670-2006: Specification of lightning-surge protection for security and protection system

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Specification of lightning-surge protection for security and protection system ICS 13.310 A91 People's Republic of China Public Safety Industry Standard Safety protection system lightning surge protection technical requirements Released on December 12,.2006 2007-06-01 implementation Ministry of Public Security

Content

Foreword III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Basic requirements for lightning protection of safety systems 4 5 Security system front-end equipment anti-direct lightning technology requirements 4 6 Safety and security system power line lightning surge protection technical requirements 6 7 Safety protection system signal line lightning surge protection technical requirements 8 8 Equipotential bonding and common grounding system for safety systems 9 9 SPD selection for safety precaution system 11 10 Safety protection system lightning surge protection measures inspection requirements 13 Appendix A (informative appendix) Statistical Table of Annual Average Thunderstorm Days in Major Cities of the Country 14 Appendix B (informative) Division of Building Lightning Protection Zone (LPZ) 16

Foreword

Appendix A and Appendix B of this standard are informative annexes. This standard is proposed and managed by the National Security and Alarm System Standardization Technical Committee (SAC/TC100). This standard was drafted. Guangxi Dikai Technology Co., Ltd., National Security Alarm System Standardization Technical Committee (SAC/TC 100) Secretariat, Technical Prevention Office of Public Security Department of Guangxi Zhuang Autonomous Region. The main drafters of this standard. Wang Dongsheng, Liu Xiqing, Zhang Fanfu, Shi Juling, Zhang Yue, Ma Ning. Safety protection system lightning surge protection technical requirements

1 Scope

This standard specifies the basic requirements for lightning protection of safety and security systems, and stipulates the specific requirements of lightning protection for safety and security systems. Claim. This standard applies to the design, implementation and inspection of lightning protection for safety systems.

2 Normative references

The terms in the following documents become the terms of this standard by reference to this standard. All dated references, followed by all Modifications (not including errata content) or revisions do not apply to this standard, however, parties to agreements based on this standard are encouraged to study Whether the latest version of these documents can be used, and the most recent version of the undated reference document applies to this standard. GB 18802.1-2002 Surge protectors (SPD) - Part 1 . Performance requirements and test methods (IEC 61643-1.1998, IDT) GB 50057-1994 (2000 edition) Code for lightning protection design of buildings GB 50343-2004 lightning protection technical specification for building electronic information systems GB 50348-2004 Safety and Engineering Technical Specifications

3 Terms and definitions

The following terms and definitions apply to this standard. 3.1 In order to maintain social public safety, the use of security products and other related products, the intrusion alarm system, video security Anti-monitoring system, access control system, explosion-proof safety inspection system, etc.; or electronic systems that are combined or integrated by these systems as subsystems Or network. [GB 50348-2004, 2.0.2] 3.2 Flash strikes directly on buildings, other objects, earth or lightning protection devices, producing electrical, thermal and mechanical forces. [GB 50057-1994 (2000 edition) Appendix 8] 3.3 When lightning strikes, electrostatic induction and electromagnetic induction are generated on nearby conductors, which may cause sparks between metal parts. [GB 50057-1994 (2000 edition) Appendix 8] 3.4 Electromagnetic radiation associated with lightning discharges, the resulting electric and magnetic fields can be coupled into electrical (electronic) systems to cause destructive Impulse current or voltage. 3.5 According to the annual average thunderstorm day, the lightning activity zone should be divided into less mine zone, multiple mine zone, high mine zone and strong mine zone. Shaolei District. An area with an average annual thunderstorm day of less than 20 days;

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