Selection of the most suitable spm is made using the risk assessment in accordance with iecbs en 623052. Electrical and electronic systems within structures. The iec 62305 lightning protection standard was created by the european tc. Apr 25, 2020 iec 623054 pdf bs eniec part 4 covers the protection of electrical and electronic systems housed within structures.
The program allows the user to assess risk of structures including several zones and entering lines. Open access new functions for representing iec 62305. International iec standard 623052 first edition 200601 protection against lightning part 2. In addition, the following definitions have been introduced to bs en 623054. The lightning threat is mainly derived from the measurements of berger performed at two 70. In the iec 62305 standards, the frequency spectrum of the lightning strike on the specific structure leads to a higher charge transfer than seen in nfpa strike levels. Once an upper tolerable limit for the risk has been selected, this procedure allows the selection of appropriate protection measures to be adopted to reduce the risk to or.
For a finite period, bs eniec 62305 and bs 6651 ran in parallel, but as of august 2008, bs 6651 has been withdrawn and now bs eniec 63205 is the. A lightning protection system lps usually consists of an external and an internal lps. International electrotechnical commission iec page count. Description download iec bs en 62305 1 4 free in pdf format. Lightning protection in a nutshell design, bonding. Iec 62305 3 specific protection measures must be taken to prevent lightning damage. The latest iec 623053 standard requires that roofmounted structures be located in the protected volume using. Iecbs en 62561 lightning protection system components lpsc 125. Lightning protection lp complete system for protection of structures andor electrical and electronic systems in those structures from the effects of lightning, consisting of an lps and spm 3. Promoting research, applications and education on lightning ms iec 623052. Complete document protection against lightning all parts.
Bs eniec 62305 lightning protection general standard. Designs, manufactures and offers technical assessment in spds and lighting rods. Protection measures such as the lightning protection system lps, shielding wires, magnetic shields, and spd determine the lpzs. Lightning protection measures as per iec 6230512010, protection measures may be adopted in order to reduce the risk according to the type of damage. Bs en iec 62305 lightning protection standard mafiadoc. 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. The iec 62305 series parts 1 to 5, is produced in accordance with the new publications plan. Tc 81 decided as one of the first steps to define the lightning threat as a common basis to any protection measures. The bs eniec 62305 standard for lightning protection was originally published in september 2006, to supersede the previous standard, bs 6651.
The objectives of this thesis are to understand the risk management methodology created by the international committee of. 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. While bs 6651 devoted 9 pages including figures to the subject of risk assessment, iecbs en 623052 currently contains over 140 pages. Open access new functions for representing iec 62305 standard. 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. The bs eniec 62305 standard for lightning protection was originally published in september 2006, to supercede the previous standard, bs 6651.
A guide to bs en 62305 protection against lightning. Adoption of iec 62305 as the basis for one major u. The bs en iec 62305 standard for lightning protection was originally published in september 2006, to supersede the previous standard, bs 6651. Physical damage and life hazard 3 bs en 62305 physical damage to structure 1. 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 latest iec 62305 3 standard requires that roofmounted structures be located in the protected volume using. Bs eniec 62305 lightning protection general standard principles. Within a power distribution system, overcurrent and residual current devices rcds are used for the. For a finite period, bs en iec 62305 and bs 6651 ran in parallel, but as of august 2008, bs 6651 has been withdrawn and now bs en iec 63205 is the recognised standard for lightning protection. Scribd is the worlds largest social reading and publishing site.
Rolling sphere method accept by iec 62305 and suitable in all case for lightning calculation. Apr 27, 2020 iec 623054 pdf bs eniec part 4 covers the protection of electrical and electronic systems housed within structures. Missing page numbers correspond to the frenchlanguage pages. Knowledge in the field of lightning research allowed to constantly further develop the method of calculating the separation distance. 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. The concept is expanded upon in iecbs en 623053 and iecbs en 623054. The iec 62305 series of standards are primarily design standards, giving the user a tool kit of rules and options to provide lightning protection for a structure. This standard does not deal with detailed design of the electrical and electronic systems. Iec 623054protection against lightning you may 6233054 similar items within these categories by selecting from the choices below the amber document status indicator indicates that some caution is needed when using this document it is either.
Its purpose is to provide a procedure for the evaluation of such a risk. 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. Iec bs en 62305 1 4 lightning electric current scribd. Pdf iec 623053protection against lightning branislav. Protection against physical damage and life hazard the main and most effective measure for protection of structures against physical damage is considered to be the lightning protection system. 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. The maximum current im, parameters and determine the shape, convexity, rising time, decaying time, and other characteristics of the impulse.
This forms the basis for both surgeprotection and for timing of circuit breakers to prevent power outages. Iec shall not be held responsible for identifying any or all such patent rights. Indian standards isiec 62305, is 3043, is 732 will protect the installation for years with out maintenance. Iec 623051 4 012006 lightning protection system general principles interception systems conductors earthing proximities lightning protection equipotential bonding shielding of enclosed spaces chapter 1. For a finite period, bs en iec 62305 and bs 6651 ran in parallel, but as of august 2008, bs 6651 has. Risk management this englishlanguage version is derived from the original bilingual publication by leaving out all frenchlanguage pages. Iec 62305 12010 protection against lightning part 1 general principles from the open iec standard webstore. Structural earthing and lightning protection systems for. Figure 3 shows the lightning strike levels suggested under iec. Promoting research, applications and education on lightning ms iec 62305 2. Iec 62305 4 pdf bs en iec part 4 covers the protection of electrical and electronic systems housed within structures.
New functions for representing iec 62305 standard journal of lightning research, 2012, volume 4 51 7. About us we believe everything in the internet must be free. National building code 2015draft recommends not to use these non conventional system. Iec 62305 also introduces four lightning protection levels lpl iiv. The concept is expanded upon in iec bs en 62305 3 and iec bs en 62305 4.
For a finite period, bs en iec 62305 and bs 6651 ran in parallel, but as of august 2008, bs 6651 has been withdrawn and now bs en iec 63205 is the. Figure 4 highlights the lpz concept as applied to the structure and to spm. This second edition cancels and replaces the first edition, published in 2006, and constitutes a technical revision. Guide to bs en iec 62305 introduction bs en iec 62305 lightning protection standard the bs en iec 62305 standard for lightning protection was originally published in september 2006, to supercede the previous standard, bs 6651. Design guidelines for proper lightning protection system. However, this function can not approximate the longterm current of the ka order. Lightning protection as per is iec 62305 is mandatory for buildings more than 15 meter height as per cea safety regulations 2016amendment draft. Design guidelines for proper lightning protection system as. Selection of the most suitable spm is made using the risk assessment in accordance with iec bs en 62305 2. In order to accomplish that, it is crucial to dominate two subjects. British standards can be obtained in pdf or hard copy formats from the bsi online. Protection against lightning all parts english select a language. The text of the international standard iec 62305 3.
Iec 623054 pdf bs eniec part 4 covers the protection of electrical and electronic systems housed within structures. Oct, 2019 iec 623054protection against lightning you may 6233054 similar items within these categories by selecting from the choices below the amber document status indicator indicates that some caution is needed when using this document it is either. Indian standards is iec 62305, is 3043, is 732 will protect the installation for years with out maintenance. This part of iec provides information for the design, installation, inspection, maintenance and testing of electrical and electronic system protection spm.
Iec 62305 2 pdf cirprotec, specialists in lightning and surge protection devices. The lightning threat is mainly derived from the measurements of berger performed at two 70 m towers on the mountain san salvatore in switzerland. 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. 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. Promoting research, applications and education on lightning. Lightning protection as per isiec 62305 is mandatory for buildings more than 15 meter height as per cea safety regulations 2016amendment draft. International standard iec 62305 1 has been prepared by iec technical committee 81. Lightning protection level an overview sciencedirect. Broader focus on protection against lightning including the structure. Physical damage to structures and life hazard reference number iec 623053.
Bs eniec 62305 lightning protection standard mafiadoc. Focus on protection of structures against lightning. Iec 62305 4 protection against lightning 51431me1mgnj. Iec 623052 pdf cirprotec, specialists in lightning and surge protection devices. For a finite period, bs eniec 62305 and bs 6651 ran in parallel, but as of august 2008, bs 6651 has been withdrawn and now bs eniec 63205 is the recognised standard for lightning protection. Iec 623053 specific protection measures must be taken to prevent lightning damage. Figure 5 rolling sphere method h height of air termination above reference plane of the area to be protected rp radius protection. The international electrotechnical commission iec is a body responsible for implementing international standards. Sparisk is software for lightning risk assessment according to iec 62305.
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