Technical committee on lightning protection roc meeting agenda october 912, 2012 orlando, fl. Technical committee on lightning protection roc meeting. Lightning protection products platt electric supply. Pdf lightning protection of overhead power distribution. The unique features of this system allow the achievement of reliable ightning capture and control, when combined with cvm placement. When a lightning strike hits, an overvoltage can rise up from the ground attempting to find a more favourable path to ground. It is written for scientists, engineers, and others who deal with systems that protect buildings, aircraft, and the people inside them from lightning. Physical damage to structures and life hazard software for design and calculation. Protection of structure from lightning lightning protection systems, essentially lightning conductors protection of structures and voltage surge protectors protection against overvoltage, offer effective protection if they are defined and installed with care. Lightning is a bright flash of electricity produced by a thunderstorm. Today, i will explain the different types of lightning protection systems lps. Tsd 400017501 en technical description lightning protection page date. Once it approaches the objects on the ground, any of them can be struck. In order to promote public education and public safety, equal justice for all, a better informed citizenry, the rule of law, world trade and world peace, this legal document is hereby made.
Main catalog opr lightning protection systems external. Lpi advocates use of lpiip as the thirdparty inspection. The lightning protection international standard prof. 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. The recommendations specifically cover the following applications. Lightning protection international pty ltd offers a comprehensive range of products and services as part of its complete solution to your lightning problems. All pdf files created are 100% industrystandard and fully compatible with any pdf viewer. Capture the lightning strike to a known and preferred attachment point using a purposedesigned air terminal system. This paper provides comprehensive analysis on the lightning protection scenarios in 48 communication and broadcasting towers situated in similar isokeraunic contours in sri lanka at 79 81 east. Erico system 3000 products, when used together, create a technically advanced lightning protection system.
Lightning protection theory schirtec lightning protection. Article lightning protection pdfs lightninfg eliminators. The specialty concepts lightning protection unit lpu is a rugged, high capacity system component designed to reduce the damage to photovoltaic systems caused by lightning induced tran sients. Our systems are tested daily by mcafee and secured by ssl. Lightning pdf professional is an allin1 pdf solution for creating industrystandard pdf files, editing pdf text and images, converting pdfs to. This illustration is not drawn to scale, nor does it portray an actual or typical application. Lightning begins with a downconductor which spreads in any direction. Lightning protection systems with nonradioactive ionization device. In addition to these, there may be legislation or rules of each country that must be taken into account. Lightning performance assessment to improve lightning protection system of 115 kv overhead lines nattaya klairuang, sudarat somkane and arthapong sokesuwan abstract this paper determined. You can modify the impulse by lowering its intensity and lengggthening its duration. Talk to your electrical engineer about appropriate risk assessment.
E lightning rod with electronic ese system offer the most effective and safe protection before lightning, they have been designed to reduce the time of the electro atmospheric discharge, in order to. Australiannew zealand standard lightning protection section 1 scope and general 1. Impulse protection you cannot stop a large ilimpulse with a silingle lightning arrestor in most cases. A lighting protection system lps is the system that provides a means by. Energy is divided and shared by a distributed ground connection. Eritech lightning protection systems this catalog details ericos eritech range of lightning protection products to meet the needs of points 1 and 2 of the six point plan. Rohit narayan, be electrical, mba tech mgmt, mieaust background the current standard for lightning protection in. Lightning pdf professional 9 is an allin1 pdf solution for creating industrystandard pdf files, editing pdf text and images, converting pdfs to office. Requirements for the the safety of people staying at work, home etc. Dec 10, 2017 download lightning pdf professional for free. Study of lightning safety distance using rolling sphere method. Types of lightning protection systems lps electricalknowhow.
Lightning strokeslightning strokes at i llihtia typical lightning lightning stroke shape stroke can last for over one second gg p over one second and consist of many strokes discharges, sometimes over ten, each with aneach with an arcchannel current of between 2ka and 200ka 1% of200ka 1% of strokes exceed 200ka. The need to provide protection should be assessed in the. Activity 5 4 lightning has been seen in volcanic eruptions, extremely intense forest fires, surface nuclear detonations, heavy snowstorms, and in large hurricanes, however, lightning is most often seen in thunderstorms. Lightning pdf pro 8 for mac makes it easy to handle a variety of tasks when working with pdf files. Pdf lightning protection scenarios of communication. The basis of conventional lightning protection technology. Lpu lightning protection unit specialty oncepts, inc. Lightning pdf professional free version download for pc. While lightning itself cannot practically be prevented, a lightning protection system is intended to control the passage of a discharge in such a manner that minimizes personal injury, property damage or system disruption. 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.
How can we download or view the pdf file using lightning component from documents in salesforce1 app, is it possible to do or not, if yes please suggest how can i achieve this. The lightning protection institute lpi adopts the latest edition of the nfpa 780 standard as its reference document for system design. For more information on the range of products designed to cover points 3 through 6, please request a copy of the eritech grounding, cadweld electrical. The lightning protection ground should be connected to the main building ground and any nearby buried metallic items. So in summary, for this relatively simple geometrical shaped building the as1768 design rules are straight forward to apply. Master installer, master installer designer, and designer inspector certified individuals in good standing with the organization may order these stamps from lpi to promote their certification on drawings or other submittal information for projects. Types of lightning protection systems lps in article introduction to lightning system design part one, i listed all terms, abbreviations and symbols used in lightning field and which will be used throughout course ee5. Prevention and protection against lightning ingesco. Lightning pdf professional is an allin1 pdf solution for creating industrystandard pdf files, editing pdf text and images, converting pdfs to office documents, adding comments plus editing and filling in pdf forms. If you hear the sound of thunder, then you are in danger. Lightning phenomenon, effects and protection of structures.
This book is very good at covering a lot of basic lightning science related to lightning protection systems. Lightning protection initially as part of an nfpa task force, since disbanded assembled for the purpose of responding to the nfpa standards committee decision 0030, specifically the request for technical substantiation of the lightning protection techniques and practice contained in modern lightning protection standards. Professional surge protection for building installations. A practical guide to lightning protection and australia and nz. Ingesco specializes in the production and design of lightning rod protection, surge arresters and prevention products. Lightning pdf professional 7 is the complete pdf alternative to adobe acrobat specifically designed for business users. The unavailability data of lightning strikes occurrences and its frequency at telecommunication station. Figure 3 shows the design calculated by erico s lightning protection system design lpsd software depicting the locations of air terminals, down conductors and earthing points.
The lightning protection institute has approved the issuance of drawing stamps by the organization to promote member certifications. 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 objective of an external lightning protection system is to control the lightning strike point and provide the lightning current with a path to earth avoiding damage to the structure. All pdf files created are 100% industrystandard and fully compatible with any pdf. Abb opr lightning protection systems 1 lightning mechanism and location 2 lightning protection technologies 3 lightning protection risk analysis 8 lightning protection technical study 9 procedure for. A practical guide to lightning protection in australia and new zealand author. Thousands of trees are struck by lightning every year. Fundamentals of lightning protection systems page 1 of 14 fundamentals of lightning protection systems, edition 1c september 2011. It provides a comprehensive and personalized service. Rohit narayan, be electrical, mba tech mgmt, mieaust background the current standard for lightning protection in australia and new zealand is asnzs 1768. Lightning pdf professional 9 is an allin1 pdf solution for creating industrystandard pdf files, editing pdf text and images, converting pdfs to office documents, adding comments plus editing and filling in pdf forms. In the real application of lps, there is no known method that can be providing 100% safety protection against the lightning strikes. Lightning performance assessment to improve lightning. This lightning protection study was done based on the protection of equipment in the.
All thunderstorms produce lightning and are very dangerous. A m p d s l ightning p rotection electro specialties. The substation earthing layout design shall identify lightning spire and lightning shield wire placement whilst maintaining the required access and safety clearances in. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Nlsi promotes proactive defenses to mitigate the effects of lightning hazards. The substation earthing layout design shall identify lightning. Abb opr lightning protection systems 1 lightning mechanism and location 2 lightning protection technologies 3 lightning protection risk analysis 8 lightning protection technical study 9 procedure for measuring the early streamer emission of an ese air terminal according to standard nf c 17102 appendix c 10 tests and research 12. A m odern p erspective on d irect s trike l ightning p rotection by dr. The lightning protection institute is a nationwide notforprofit organization founded in 1955 to promote lightning protection education, awareness, and safety. Reviewed in the united states on december 24, 2012.
Lightning protection risk assessment design services. The nf c 17102 and similar ese standards requirements for inspection and testing range from each year to every four years dependent upon location and protection level selected. Conduct the energy to the ground safely via a purposedesigned downconductor. These trees will have varying degrees of damage ranging from complete shattering and destruction of the tree, to a slow lingering death, to virtually no apparent damage at all figure 1. Lightning protection design using information visualization and virtual reality conference paper pdf available june 2011 with 1,648 reads how we measure reads.
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