New international standard for lightning protection, iec. Iec 62305 protection against lightning requires a risk assessment be carried out to determine the characteristics of any lightning protection system to be installed. Functions of an external lightning protection system. This is an introduction to the other parts of the standard and covers the general principles involved in the design. Bs eniec 62305 lightning protection general standard principles. Aug 18, 2017 lightning protection presentation as per iec 62305 and nfc171022011 lightning is a natural phenomenon defined as an event of an electrical discharge triggered up due to the formation of. Lightning protection system as per isiec 62305 down conductors. Lars lars lightning assessment of risk for a structure. A critical view on the lightning protection international standard. The international electrotechnical commission iec is a body responsible for implementing international standards. Designs, manufactures and offers technical assessment in spds and lighting rods. Home download center electrical engineering books and technical guides electrical engineering guides lightning protection in a nutshell design, bonding, earthing and testing iec 62305 power distribution systems with rcds.
Although focused on the bs en standard, this guide may provide supporting information of interest to consultants designing to the iec equivalent. Figure 2 the nfpa 780 standard is presently under 2014 revision. Design calculations of lightning protection systems part eight. Description download iec 62305 3 free in pdf format. There is a lot of hype about about this being a complicated process, however in reality it is very simple.
Bs en 62305 is a series of publications in four parts, all of which have to be taken into consideration when designing for lightning protection. Lightning protection measures as per iec 6230512010, protection measures may be adopted in order to reduce the risk according to the type of damage. A guide to bs en 62305 protection against lightning. Download pdf iec 62305 4 protection against lightning. Risk assessment software lightning protection, surge.
Download this guide to gain full facility protection from. Download this free comprehensive guide to learn how to protect your facility with the best lightning protection systems designed to the iec 62305 series of standards. The international standard for lightning protection referred as iec 62305 protection against lightning, which is also accepted by many countries as national standard especially adopted by bureau of indian standard as is iec 62305, in one of its part explains the need of planning, erection, testing and maintenance of lightning. All bsi british standards available online in electronic and print formats.
Protection of structures against lightning has been an area of study for a very long time. Generate a customized report containing a normative justification. Lighting protection level i is the most severe, with level iv being the least. Lightning protection system component used as an air termination conductor, air termination rod. For the en iec 62305 series of lightning protection standards, each member country has introduced these at a national level by. Iec 62305 4 protection against lightning 51431me1mgnj.
In order to evaluate whether or not lightning protection of a structure is needed, a risk assessment in accordance with the procedures contained in iec 623052 shall be made. Scheme design criteria the ideal lightning protection for a. Iec 625612 lightning protection system components lpsc. An epic storm over city of kosice slovakia with lightning bolts blasts too close for comfort by martin lajs via flickr these calculations are according to iec standard 623052.
Iec 623051 international standards lightning protection. Structural earthing and lightning protection systems for building as per iec 62305. International iec standard 623052 first edition 200601 protection against lightning part 2. Risk management bs eniec 623052 part 2 risk management approach, does not concentrate so much on the purely physical. Free download software to calculate risk assessment of lightning strike in buildings or facilities. Bouquegneau at the recent iclp 2004 meeting on the subject. A lightning protection system consists of an external and internal lightning protection system.
Bs eniec 62305 lightning protection standard mafiadoc. Lightning protection presentation as per iec 62305 and nfc17. Iec 623051 4 012006 lightning protection system general principles interception systems conductors earthing proximities lightning protection. Iec 62305 is the overall guideline for all applications when dealing with lightning and surge protection. Lightning protection system as per isiec 62305 by jmvlps issuu. Keep up to date with new publication releases and announcements with our free iec just published email newsletter. This standard, iec 62305, consists of four parts and was adopted in its entirety by the european committee for electrotechnical standardization, cenelec, and published as the en 62305 series in 2006. The bs en iec 62305 standard for lightning protection was originally published in september 2006, to supersede the previous standard, bs 6651. Interception of direct lightning strikes by means of an airtermination system conducting the lightning current to earth by means of down conductors distribution of the lightning current in the. Lightning protection presentation as per iec 62305 and. The text of document 870fdis, future edition 2 of iec 62305 1, prepared by iec tc 81, lightning protection, was submitted to the iec cenelec parallel vote and was approved by cenelec as en 62305 1 on 201101. External lightning protection current lightning protection standards.
Calculate the risk of a building according to main standards like iec en 62305. Missing page numbers correspond to the frenchlanguage pages. The bs eniec 62305 standard for lightning protection was originally published in september 2006, to supercede the previous standard, bs 6651. Lightning protection system components lpsc part 2. It classifies the sources and types of damage to be evaluated and introduces the risks or types of loss to be anticipated as a result of lightning. For a finite period, bs eniec 62305 and bs 6651 ran in parallel, but as of bs en iec 62305 lightning protection standardaugust 2008, bs 6651 has been withdrawn and now bs eniec 63205 is the recognized standard for lightning protection. Lightning protection system lps bs en iec 62305 1 has defined four lightning protection levels lpls based on probable minimum and maximum lightning currents. In 2006 the international electrotechnical commission issued a new standard covering protection against lightning.
Mar 08, 2018 the international standard for lightning protection referred as iec 62305 protection against lightning, which is also accepted by many countries as national standard especially adopted by bureau of indian standard as is iec 62305, in one of its part explains the need of planning, erection, testing and maintenance of lightning. Structural earthing and lightning protection systems for. Design calculations of lightning protection systems part. Lightning protection risk assessment calculator photo. Iec 623051 cirprotec lightning and surge protection.
To view the content of other pages click on the transfer page icon. Lightning protection system lps bs en iec 623051 has defined four lightning protection levels lpls based on the probable minimum and maximum lightning currents. About us we believe everything in the internet must be free. For a finite period, bs en iec 62305 and bs 6651 ran in parallel, but as of bs en iec 62305 lightning protection standardaugust 2008, bs 6651 has been withdrawn and now bs en iec 63205 is the recognized standard for lightning protection. Download pdf iec 62305 4 protection against lightning 51431me1mgnj. Bs eniec 62305 lightning protection general standard. Iec 62305 4 protection against lightning november 2019 123. Protection against lightning a uk guide to the practical.
Physical damage and life hazard 3 bs en 62305 physical damage to structure 1. Scheme design criteria the ideal lightning protection for a structure and its connected. Design calculations of lightning protection systems. The text of document 870fdis, future edition 2 of iec 623051, prepared by iec tc 81, lightning protection, was submitted to the ieccenelec parallel vote and was approved by cenelec as en 623051 on 201101. Download this guide to gain full facility protection from lightning. Electrical and electronic systems within structures. The bs eniec 62305 standard for lightning protection was originally published in september 2006, to supersede the previous standard, bs 6651. Authors note and new standards on lightning protection 2 theory of lightning 3 characteristics of lightning transient overvoltages surges structure of bs en 62305 10 bs en 623051 general principles 11 damage due to lightning type of loss need for lightning protection protection measures basic design criteria lightning protection level lpl. Bs en 623054 electrical and electronic systems within structures.
Provides the requirements for protection of a structure against physical damage by means of a lightning protection system lps, and for protection against injury to living beings due to touch and step voltages in the vicinity of an lps see iec 62305 1. The procedure requires assigning a tolerable level of risk. The text of document 870fdis, future edition 2 of iec 623051, prepared by iec tc 81, lightning protection, was submitted to the iec. Risk management second edition published in 2012 in the uk, our furse technical team has developed strikerisk v6.
Design guidelines for proper lightning protection system. Lightning protection presentation as per iec 62305 and nfc171022011 lightning is a natural phenomenon defined as an event of an electrical discharge triggered up due to the formation of. This handbook is written to assist in the understanding of the iec 62305 series of lightning protection standards. Iec 6164312 is valid for the installation of energyprotection components and iec 6164322 is valid when protecting measurement and control systems. Lightning protection system lps bs eniec 623051 has defined four lightning protection levels lpls based on probable minimum and maximum lightning currents. An epic storm over city of kosice slovakia with lightning bolts blasts too close for comfort by martin lajs via flickr these calculations are according to iec standard 62305 2. For consultants and designers looking to undertake risk assessments in accordance with, iecen 623052. It classifies the sources and types of damage to be evaluated and introduces the risks or types of loss to be anticipated as a result of lightning activity. Provides the requirements for protection of a structure against physical damage by means of a lightning protection system lps, and for protection against injury to living beings due to touch and step voltages in the vicinity of an lps see iec 623051. This part of iec 62305 provides information for the design, installation, inspection, maintenance and testing of electrical and electronic system protection spm to reduce the risk of permanent failures due to lightning electromagnetic impulse lemp within a structure.
These lpls equate directly to classes of lightning protection system lps. The correlation between the four levels of lpl and lps is identified in table 7. Since the middle of the 18th century it began with the work of benjamin. The part 2 of bs en 62305 provides a comprehensive mathematical model to evaluate and manage the risk posed by lightning strikes and measures to alleviate the risk associated with earthing system designs. Bs en iec 623051 general principles this opening part of the bs en iec 62305 suite of standards serves as an introduction to the further parts of the standard. Readers wishing greater detail about the new iec 62305 are directed to a paper presented by prof. Protection against lightning online risk assessment tool iec 623052 2010 home protection against lightning online risk assessment tool iec 623052 2010 step 1. Design guidelines for proper lightning protection system as. The specification of a lightning protection system should require that the design complies with the iec 62305 series of design standards and that materials comply with the en 50164 series of component standards. Protection against lightning iec 62305 part 1 general principles part 2 risk management part 3 physical damage to structures and life hazard part 4 electrical and electronic systems within structures figure 1 the iec 62305 suite of standards is divided into four useful segments. Lightning protection level an overview sciencedirect topics. Iec 62305 for lightning and surge protection follow in.
For consultants and designers looking to undertake risk assessments in accordance with, iec en 62305 2. Cirprotec, specialists in lightning and surge protection devices. Lightning protection according to iec 62305 diogo filipe da silva santos thesis to obtain the master of science degree in. Risk management this englishlanguage version is derived from the original bilingual publication by leaving out all frenchlanguage pages. Design calculations of lightning protection systems part seven. When designing and installing lightning protection systems, contractors will have to observe the iec 62305 en 62305 standard series to comply with the state. This application is simple to use and highly intuitive, in order to.
Lightning protection in a nutshell design, bonding. Bs eniec 623051 part 1 is an introduction to the other parts of the standard and essentially describes how to design a lightning protection system lps in accordance with the accompanying parts of the standard. Bs en iec 62305 1 general principles this opening part of the bs en iec 62305 suite of standards serves as an introduction to the further parts of the standard. Lightning protection level lpl four protection levels i, ii, iii and iv are defined by considering the peak current, charge, specific energy, duration of various lightning strokes and the probability of these being exceeded.