Erico manufactures, using the eritech trade name, lightning protection systems in full accordance with more than twelve national and international. Furse provides a wide range of literature for customers covering everything from indepth product catalogues and technical guide books on the latest standards, through to product datasheets and risk assessment software. The typical lightning arrester has a highvoltage terminal and a ground terminal. Design of lightning arresters for electrical power systems. Additionally, extensive ranges of earthing material, transient overvoltage protectors and exothermic welding equipment mean furse is able to offer a total solution to any earthing and lightning protection requirement.
Since 1893, furse has provided world leading earthing, lightning and electronic systems protection solutions furse have over 125 years of experience, and design and manufacture their own products. Lightning protection consultants india provides lightning protection design, earthing system design and grounding system design for buildings. To prevent damage to electrical equipment, surge protection considerations are paramount to a welldesigned electrical. The design of the hvsc plus incorporates carefully selected dielectric components to ensure optimum performance under the impulse or transient voltages and currents imposed by lightning discharges. Jul 17, 2017 modern electrical systems tend to be vulnerable to voltage surges of any kind, so arresters have become more necessary. It is a very simple type of diverter and consists of two 1.
Calculate whether lightning protection is required or not for following building. Lightning arresters catch surges in electrical wiring and divert them to grounding cables, which direct the current into the ground. Hi friends, in this article, i am going to discuss about lightning arrester types and lightning arrester working principle. Lightning protection design, earthing system design.
Furse are experienced on a range of projects from stock exchanges to schools, royal palaces to oil refineries and more. Bs eniec 62305 lightning protection general standard principles. What is the difference between lightning arrester and surge. Furse lightning protection systems bailey lightning protection. Several popular types of lightning arresters are available. Desigr ers thought that protection was not necessary in many cases because the antenna mast was relatively short 10 meters or less. Tercel lightning protection, earthing, surge protection. The function of the surge arrester is to allow the discharge of any dangerous overvoltage before.
Specialist advice from our fully qualified technical team. A risk assessment based on actual lightning exposure design of the air termination network and downconductors di fth tht i ti t k d thdesign of the earth termination network and earth electrodes. On receipt of the lightning protection system materials at site necessary precautions shall be taken for unloading, shifting and storage, as follows. Lightning protection for buildings typical down conductor arrangements method 2 lightning protection for building bonding of extraneous equipment lightning protection test points. Tercel is a proud technical distributor for the abb company. Lightning is an aweinspiring natural phenomenon that can discharge up to 200,000 amps in a fraction of a second, thus making lightning protection imperative for modern structures. Lightning is one of natures most powerful and destructive phenomena take a look as to why protection against it, is so important.
Guide to bs eniec 62305 introduction bs eniec 62305 lightning protection standard the bs eniec 62305 standard for lightning protection was originally published in september 2006, to supercede the previous standard, bs. Polymer arrester outline drawings contd porcelain arrester outline drawings mm for specifications on class 3, 4 and 5 ratings, please refer to the tables on pages 7 to 15. Bs eniec 62305 lightning protection general standard. The lightning protection institute is a nationwide notforprofit organization founded in 1955 to promote lightning protection education, awareness, and safety. Furse is the uks leading manufacturer of lightning protection products. Each piece of electrical equipment in an electrical system needs to be protected from voltage surges. Abb in association with furse provide a wide range of high quality lightning protection and overvoltage solutions. Please contact tercel for any product enquiries or further information. Furse total solution to lightning protection 10 furse offers comprehensive solutions for all lightning protection needs lightning protection 11 40 providing an overview of the requirements for an effective structural lightning protection system together with detailed product information conductors 41 48. Calculate lightning protection for building structure. A lightning protection system consists of both external and internal lightning protection measures. This paper presents an overview of how the lightning strikes and their e ects on power distribu. Following tools shall be arranged before starting the work for earthing, bonding and lightning protection system installation and testing. This article introduces in such aspects as the working principle of line surge arrester and effect of lightning protection, and also explores application for lightning.
Provide a joint for test purposes at approximately 1m from finished floor level in an accessible location, unless otherwise detailed, on every down conductor. Lightning protection consultant handbook erico is dedicated to providing a costeffective lightning protection solution for any given application. Introduction to lightning protection and earthinggrounding. Contents 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. History of lightning protection system design in tactical sstems many older communication systems do not have lightning protection incorporated into their design. Type of constructions b steel framed encased without metal roof as per table multiplying factor 0.
Pdf application and analysis for surge arrester on. It protects people from injury, structures from damage and electrical equipment from failure due to surge voltages. We would like to show you a description here but the site wont allow us. Arresterfacts 017 what is a transmission line arrester copyright arresterworks 2009 jonathan j. Furse ag900 lightning protection conductor fasteners gluedown clip adhesive. From our own designed and manufactured products, through to risk assessment and systems design advice, furse offer a renowned total solution for earthing and lightning protection. Material shall be stored in a covered dry space at all.
One rod is connected to the line circuit and the other rod is connected to earth. The ideal lightning protection for a structure and its. Dec 30, 2015 lightning protection consultants india provides lightning protection design, earthing system design and grounding system design for buildings. The application and selection of lightning arresters. Jan 05, 2018 lightning is an aweinspiring natural phenomenon that can discharge up to 200,000 amps in a fraction of a second, thus making lightning protection imperative for modern structures. A lightning arrester is essentially a collection of billions of microscopic junctions of metal oxide grains that turn on and off in microseconds to form a current path from the top terminal to the ground terminal of the arrester. A lightning arrester alternative spelling lightning arrestor also called lightning diverter is a device used on electric power systems and telecommunication systems to protect the insulation and conductors of the system from the damaging effects of lightning.
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