Lightning protection using lfam,ask latest information,abstract, report,presentation pdf,doc,ppt, lightning protection using lfam technology discussion, lightning protection using lfam paper presentation details. Search in indelec catalogs and technical brochures on directindustry and find the information you need in 1 click. Lightning and surge protection of modern electronic system. Services with lecs unique combination of experienced consultants, engineers and integrated services, you can rely on expert advice backed by over 40 years of experience. Services lightning protection by lightning eliminators and. A certificate andor test report is not available for all pro ducts.
Seminar report on protection of lightning arrester free download as word doc. You receive a formal report sometimes with site specific drawings of recommended designs as well. Dec 17, 2015 get lightning protection using lfam seminar report and ppt in pdf and doc. Lightning protection using lfam,ask latest information,abstract,report,presentation pdf,doc,ppt,lightning protection using lfam technology discussion,lightning protection using lfa. To understand how damage can occur and to learn defensive measures that can be. The lightning mechanism lightning is an electrical discharge either between the opposite charged regions within a cloud or between the lower region of a cloud and the ground. Lightning protection using lfam seminar report scribd.
Fundamentals of lightning protection systems page 1 of 14 fundamentals of lightning protection systems, edition 1c september 2011. It provides a more detailed and scientific evaluation of your sites exposure and options for protection. Lightning protection using lfam 22,ask latest information,abstract, report,presentation pdf,doc,ppt, lightning protection using lfam 22 technology discussion, lightning protection using lfam 22 paper presentation details. He is chair of the iec sc37a technical advisory group reporting to the standards council of. Protection against transients lightning lighting arrester authorstream presentation. Also get the seminar topic paper on lightning protection using lfam with abstract or synopsis. There is also a heavy probability of a steady power arc, which brings about quasistationary overvoltages and equipment damage and necessitates disconnection of the line and thus load shedding. These seminars can last from 60 minutes or be extended. Lightning arrester full report engineering seminar topics. Lightning phenomenon, effects and protection of structures. Materials used shall be resistant to corrosionmaterials used shall be resistant to corrosion aa coppercopper bb copper alloyscopper alloys cc aluminumaluminum i.
Article lightning protection pdfs lightninfg eliminators. Very valid questions and ones that every new surge protection engineer should ask 3. Lightning is an electrical discharge between cloud and the earth, between clouds or between the charge centers of the same cloud. Aside from this introduction and the mock representative name of the building building a, this document is nearly identical to a lightning certification report issued by the engineering directorate at lawrence livermore national laboratory. Engineering seminar topics, latest seminar topics, popular seminar topics, mechanical seminar topics, computer seminar topics, eee seminar topics, topics for seminars, technology seminars. Unless special lightning protection steps are taken to. Technical seminar for cathodic protection to gogc design unit specialists dr. At this location, with the arrester grounded directly at the tank,frame or other metallic structure which supports the insulated parts, the surge voltage applied to the insulation will be limited to the. Free download complete engineering seminar lightning protection using lfa lightning frequency arrester seminar report pdf. Nfpa 781986 is published in volume 3 of the 1988 national fire codes and in separate pamphlet form.
Standard for the installation of lightning protection systems. The lightning protection industry began in the united states when benjamin franklin postulated that lightning was electricity, and a metal rod could be used to carry the lightning away. The standards in the united states for lightning protection systems are the national electrical code nec, the national fire protection association 78, lightning protection code nfpa 78, and underwriters laboratories 96a, standard for installation requirements for lightning protection systems, ul 96a. Scribd is the worlds largest social reading and publishing. Lightning protection using lfam free download as powerpoint presentation. Army 5 and air force 6 documents provide specific lightning protection and grounding systems test procedures. Services lightning protection by lightning eliminators. Pdf electrical earthing grounding systems a technical.
Lightning protection using lfam 22 easy seminar topics. Also explore the seminar topics paper on lightning protection using lfam with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2015 2016. External lighting protection ms iec 62035 part 3 three components of external lightning protection. Lightning protection for engineers seminar national. Fundamentals of lightning protection national lightning. National lightning safety institute provides expert training, consulting, education, videos and witness service on lightning safety for buildings and critical facilities, both government and commercial. A new simple, effective and inexpensive method for lightning. Also explore the seminar topics paper on lightning protection using lfam with. Air termination, down conductors and earthing rolling sphere protection angle and mesh size according to lps i, ii, iii or iv. A lightning arrester alternative spelling lightning arrestor also called lightning diverter is a device used on electric power systems and telecommunication. Lightning does not have to directly strike a facility to do real damage.
Lightning protection using lfam 22,ask latest information,abstract,report,presentation pdf,doc,ppt,lightning protection using lfam 22 technology discussion,lightning protection using. Presentations ppt, key, pdf logging in or signing up. Afp 98 6, 23 states that the electrical test procedures. While this may avoid some of the worst effects of a direct strike, it has some serious drawbacks. Seminar report on protection of lightning arrester scribd. Power system surge protection seminar arresterworks page2 2 day seminar overview lightning is the second or third most significant. May 02, 2015 introduction to lightning protectionintroduction to lightning protection lightning factslightning facts globally some 2000 on going thunderstormsglobally some 2000 on going thunderstorms cause about 100 lightning strikes to earth eachcause about 100 lightning strikes to earth each second.
Also explore the seminar topics paper on iris scanning with abstract or synopsis, documentation on. In some cases, required procurement lightning protection installation, which. Also get the seminar topic paper on lightning protection using lfam with abstract or synopsis, documentation on advantages and disadvantages, presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2016 2017. Lightning protection using lfam seminar report, ppt. The following lightning protection study, with its associated drawings, is intended to display the level of protection and suggested lightning protection that should be added to the new ring bus substation configuration in the scope of the umkc substation project.
Physical damage to structures and life hazard software for design and calculation of lightning protection systems when designing lightning protection systems, various parameters must be taken into account. The method suggested is a simplified discharge circuit which consists of a long surface flashover discharge element, called long flashover. The following lightning protection study, with its associated drawings, is intended to display the level of protection and suggested lightning protection that should be added to the new ring bus substation. Lightning protection for explosive facilities technical. Technical seminar for cathodic protection to gogc design. Power systemlightning protection lightning arrester slide 24. Lightning protection engineering seminar according to nfpa780 about the seminar this comprehensive 2day seminar is designed for engineers, architects and others interested in covering.
Lightning protection using lfam easy seminar topics. Nlsi promotes proactive defenses to mitigate the effects of lightning hazards. An lfam arrester consists of two cables like pieces. Scribd is the worlds largest social reading and publishing site. Design of lightning protection systems dehnsupport toolbox software. Installations not directly related to those areas and structures housing such installations can be protected against lightning by the provisions of this standard.
The resistance between these components and the lightning protection system shall be less than one 1 ohm. Lightning protection guide is available as printed book, as pdf file, on cd or at. Explore iris scanning with free download of seminar report and ppt in pdf and doc format. When a lightning strike hits, an overvoltage can rise up from the ground attempting to find a more favourable path to ground.
Iris scanning seminar report, ppt, pdf for ece students. In a lightning protection system, a lightning rod is a single component of the system. Lightning protection using lfam seminar report, ppt, pdf. In seminars we give instructions and training for the practical. The documentations also focused on the use of an insulator with characteristic lfa ilfa. Also explore the seminar topics paper on iris scanning with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year electronics and telecommunication engineering or ece students for the year 2015 2016. Houston chroniclefuel fix some companies dont wait for lightning to strikemarch 20. Our lightning protection systems training course is focused at companies who own or maintain wireless communications and broadcast towers and their antennas. These seminars can last from 60 minutes or be extended to several hours depending on the subject and the audience requirements. The lightning rod requires a connection to earth to perform its protective function. Feb 17, 2016 a good lightning protection system helps provide that path, thus reducing the probability that damage will occur to people or animals 16.
The lightning mechanism lightning is an electrical discharge either between the opposite charged regions within a cloud or between the lower. Jan, 2018 for the protection of lines against direct lightning strokes, the arresters are connected between the poles and all of the phase conductors in parallel with the insulators. Seminar lightning protection free download as powerpoint presentation. Power systemlightning protection earthing screen a grid of earthed copper conductors criss crossing the substation provide a low resistance path for lightnings. Seminar on lightning of building linkedin slideshare. Sep 19, 2016 the lightning protection institute is a nationwide notforprofit organization founded in 1955 to promote lightning protection education, awareness, and safety. Lightning damage to equipment results in losses exceeding twentysix billion dollars annually in north america, and nearly three times that worldwide with more than 150 strikes per second. Lightning protection overview lightning protection institute. This document is meant as a template to assist in the development of your own lighting certification process. For the protection of lines against direct lightning strokes, the arresters are connected between the poles and all of the phase conductors in parallel with the insulators. Lightning protection seminar report pdf seminars topics.
Lightning protection seminar report pdf seminar topics. The basis of conventional lightning protection technology. This applies whether the source of the disturbance is lightning, powersystem. Explore lightning protection using lfam with free download of seminar report and ppt in pdf and doc format. Traditional lightning protection has sought to collect and divert the energy of a lightning strike into the ground. The ideal location for lightning arresters,from the standpoint of protection, is directly at the terminals of the equipment to be protected. Lightning protection engineering seminar according to nfpa780 about the seminar this comprehensive 2day seminar is designed for engineers, architects and others interested in covering the requirements of the national fire protection association nfpa 780 2008. Lightning protection using lfa lightning frequency. For three decades, the lightning protection guide from dehn has been the trademark for practiceoriented technical literature in the fields of lightning and surge protection for buildings, installations. Level of external lighting protection based on risk analysis lps i, ii, iii or iv 3. Get lightning protection using lfam seminar report and ppt in pdf and doc. Lightning protection using lfam seminar report free download as word doc. Lightning protection using lfam seminar report, ppt, pdf for. Use current division to control the dissipation of lightning strike energy on an antenna tower grounding system through multiple paths.
Lightning protection equipment may shunt current, block energy from traveling down the wire, filter certain frequencies, clamp voltage levels, or perform a combination of these tasks. Separate the antenna tower from the equipment building by a minimum of 30 feet. This is the reason why the calculation takes into account the critical values of the lightning current steepness i l l,cr at which the insulator flashes over for a given set. Protection currently in place may be fine for normal surges caused by load switching and utility transients, but will not be effective.
Effect of lightning on building and its protection measures international journal of engineering and advanced technology ijeat issn. The former event is a cloudtocloud discharge, while the latter, known as. This lightning protection study was done based on the protection of equipment in the. Electrical earthing grounding systems a technical report and a short course. Use current division to control the dissipation of. Lightning protection using lfam seminar report, ppt for ece. This seminar report describes the long flashover arrester lfa, method for lightning protection, working principle, design of lfam, its main applications and laboratory test results. Grounding system full seminar report, abstract and presentation.
Lightning is a huge spark and that take place when clouds are charged to at a high potential with respect to earth object e. Voltage clamping devices capable of handling extremely high amperages of the surge, as well as reducing the extremely fast rising edge dvdt and didt of the. How to protect your house from lightning national lightning. Lightning protection guidelines for aerospace vehicles. The voltage rate of rise u l is proportional to steepness of the lightning current. Lightning protection using lfa lightning frequency arrester. Grounding system full seminar reports, pdf seminar abstract, ppt, presentation. Lightning arrester full report lightning arresters are protective devices for limiting surge voltages due to lightning strikes or equipment faults or other events, to prevent damage to equipment and disruption of service.
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