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. In order to accomplish that, it is crucial to dominate two subjects. It should be helpful in understanding the effect of selection of parameters in risk assessment tools based on iec 6230512, and if a manual assessment is to be. 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 62305 2 shall be made. 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. Comparison of lightning risk calculation results using different software based on new standard iec 62305 2 conference paper pdf available september 2006 with 1,956 reads how we measure reads.
Electrical and electronic systems within structures. Bs en 623054 electrical and electronic systems within structures. This second edition cancels and replaces the first edition, published in 2006, and constitutes a technical revision. Risk management this englishlanguage version is derived from the original bilingual publication by leaving out all frenchlanguage pages. In order to design an effective lightning protection system with franklin rods or capturing meshes, the following rules shall apply. Lightning protection system lps bs en iec 62305 1 has defined four lightning protection levels lpls based on probable minimum and maximum lightning currents. For example, the size of the rolling sphere for calculating protection zones is 20 m for a protection level of i, and increases to 60 m for level iv. Iecbs en 62561 lightning protection system components lpsc 125.
Risk management bs en iec 62305 2 part 2 risk management approach, does not concentrate so much on the purely physical. The latest iec 62305 3 standard requires that roofmount. Lightning protection measures as per iec 62305 12010, protection measures may be adopted in order to reduce the risk according to the type of damage. Bs eniec 62305 lightning protection standard mafiadoc. The international electrotechnical commission iec is a body responsible for implementing international standards. Lightning protection according to iec 62305 diogo filipe da silva santos thesis to obtain the master of science degree in. Comparison of lightning risk calculation results using different software based on new standard iec 623052 conference paper pdf available september 2006 with 1,956 reads how we measure reads. The primtech lightning protection calculation can accommodate lightning protection rods and wires as lightning arresters. Iec 6164312 is valid for the installation of energy protection components and iec 6164322 is valid when protecting measurement and control systems. Although focused on the bs en standard, this guide may provide supporting information of interest to consultants designing to the iec equivalent. 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. Differences between national lightning protection standards and the iec 62305. Lightning discharge, risk assessment, lightning protection system, iec 62305.
Need for lightning protection protection measures basic design criteria lightning protection level lpl lightning protection zone lpz protection of structures bs en 62305 2 risk management 21 perception of risk risk management procedure uk and world maps bs en 62305 3 physical damage to structures and life hazard 35 lightning protection. Adoption of iec 62305 as the basis for one major u. Structural earthing and lightning protection systems for. Bs eniec 62305 lightning protection general standard. Keep up to date with new publication releases and announcements with our free iec just published email newsletter. 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. Obo supports and drives the development of nation al and international lightning protection standards of the series iec 62305 vde 0185305. 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. The iec 62305 lightning protection standard was created by the european tc. Pdf iec 623053protection against lightning branislav. A detailed calculation can be found in annex a of iec 623052. British standards can be obtained in pdf or hard copy formats from the bsi online.
Design guidelines for lightning protection of pv systems eng460 engineering thesis final report mick constable august 2012 to november 20 a report submitted to the school of engineering and energy, murdoch university in partial fulfilment of the. Functions of an external lightning protection system. 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. The international standard iec 623053 recommends using electrically conductive parts of a building or structure as socalled natural components of the lightning protection system. Desigr ers thought that protection was not necessary in many cases because the antenna mast was relatively short 10 meters or less. A lightning protection system consists of an external and internal lightning protection system. Once a lightning protection level has been selected, this fixes many of the parameters for the design and installation of the system. Pdf comparison of lightning risk calculation results. A guide to bs en 62305 protection against lightning. Bookmark file pdf bs en 62305 2011 update furse how to install lightning protection on a house practically everything you need to know to purchase and install lightning protection for a building. Scheme design criteria the ideal lightning protection for a structure and its connected. Every class have different value d for calculation position of lightning rod figure 3 iec 62305 3 class of protection level the protection level is correlated to the damage probability on the considered structure. These lpls equate directly to classes of lightning protection system lps.
Pdf comparison of lightning risk calculation results using. Finally, methods to simulate lightning currents in laboratory are presented which allow the verification of lightning protection measures or components. Software for design and calculation of lightning protection. Knowledge in the field of lightning research allowed to constantly further develop the method of calculating the separation distance. Bs eniec 62305 lightning protection general standard principles. Iec 623053 provides formulae to determine the necessary separation distance. Lightning protection measures as per iec 6230512010, protection measures may be adopted in order to reduce the risk according to the type of damage. Design calculations of lightning protection systems part two. Lightning protection calculation lightning protection. Per iec 62305 1, a risk assessment in accordance with the procedures contained in iec 62305 2 shall be made in order to evaluate whether or not lightning protection of a structure is needed. Building lighting protection calculation excel electrical. The same is also implemented in new national building code 2016, part 8, section 2 which also clearly defines the need of the measures to be taken care for planning, erection, testing and maintenance of lightning protection system. Lightning protection risk assessment calculator photo. History of lightning protection system design in tactical sstems many older communication systems do not have lightning protection incorporated into their design.
The aim, by a series of trial and error calculations is to ultimately. Iec 62305 is the overall guideline for all applications when dealing with lightning and surge protection. Missing page numbers correspond to the frenchlanguage pages. 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. 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. The bs en iec 62305 standard for lightning protection was originally published in september 2006, to supersede the previous standard, bs 6651. Pdf lightning protection guide 3rd updated edition adrian. Bs en iec 62305 1 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. Iec 62305 2 provides a lightning risk management procedure that ncorporates. 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. The correlation between the four levels of lpl and lps is identified in table 7. St d d li ht istandards lightning protection systemsprotection systems iec en 62305.
International iec standard 623052 first edition 200601 protection against lightning part 2. Design calculations of lightning protection systems part. Bs en 62305 4 pdf bs en protection against lightning part 4. Key to bs eniec 62305 is that all considerations for lightning protection are driven by a comprehensive and complex risk assessment and that this assessment. British standards can be obtained in pdf or hard copy formats from. Bs en physical damage to structures and life hazard. Design guidelines for proper lightning protection system as. Bs en iec 62305 lightning protection standard iec 62305 3 edition 2.
Protection against lightning a uk guide to the practical. Design calculations of lightning protection systems part three. In 2006 the international electrotechnical commission issued a new standard covering protection against lightning. 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. Knowledge evolved from lightning research has also led to improvements in the calculation of the separation distance. The protection calculation of large complete substations, such as the 21bay substation below with 46 lightning rods, is just as feasible as the combined calculation of lightning arresters comprising of rods and wires. Design guidelines for lightning protection of pv systems.
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