Zipse, fellow, ieee abstractthe successful 200yearold method of using a franklin rod to collect, control, and convey to earth the awesome and destructive power of lightning has produced other controversial, potential alternate methods. Following summary paragraph on lightning protection levels lpl are based on this standard. Ufc 357501 lightning and static electricity protection. In the united states, lightning strikes 25 million times each year. Lightning protection level an overview sciencedirect topics. St d d li ht istandards lightning protection systemsprotection systems iec en 62305. Lightning protection overview lightning protection institute. Lightning flashes to, or nearby, structures are hazardous to people, to the structures themselves, their contents and installations. Mostly affects a structures fabric and its lightning conductors.
A reliable lightning protection system lps must encompass both structural lighting protection and transient overvoltage electronic systems protection. The conventional systems use franklin rods or mesh. Lightning protection system design and installation. This article is based on a comprehensive bibliography of ese lightning protectionsystems that was preparedatthe request of the national fireprotection research foundation 1. Hence there is a vital need for protection against direct lightning strikes. The value received begins with proper design, continues through quality installation practices, and must include inspection and certification. We specify only the highest quality components and materials from brands at the forefront of lightning protection, including. Jul 17, 2017 modern electrical systems tend to be vulnerable to voltage surges of any kind, so arresters have become more necessary. A grounding system is essential for the proper operation of the. Lightning protection systems bailey lightning protection. The standards define an effective lightning protection system as a set of equipment and devices to capture never to attract lightning and conduct it safely to ground. This standard has a comprehensive risk assessment section that is based on iec standards, well written rules for the design of.
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. 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. This protection comes in the form of a lightning protection system lps. Fundamentals of lightning protection systems course no. Dimension a in both figures is 20 or 25 feet and is the maximum spacing recommended by the nfpa between lightning rods. Sep 19, 2016 lightning protection systems have a remarkable record of protecting against physical danger to people, structural damage to buildings, and failure of internal systems and equipment. Lightning protection of buildings is a separate subject beyond the scope of this book. Several popular types of lightning arresters are available. Lightning protection by lightning eliminators and consultants.
Finally, methods to simulate lightning currents in laboratory are presented which allow the verification of lightning protection measures or components. Standard for the installation of lightning protection systems. Residential lightning protection system protect your home and your family. Method and specification provide all labour, materials, products, equipment and services to supply and install the lightning protection systems as indicated on the drawings and specified in these specifications. Abstract early streamer emission ese lightning protection systems are a relatively new approach to the perennial problem of lightining damage, and these systems may hold promise for a more effective protection against lighting. Designs account for environmental factors like wind, ice, and corrosion. Notes on different types of lightning protection systems lps. Lightning arresters catch surges in electrical wiring and divert them to grounding cables, which direct the current into the ground. Early streamer emission ese lightning protection systems are a relatively new approach to the perennial problem of lightning damage, and these systems may hold promise for a more effective.
They are the lightning prevention air terminal and the lightning attracting air terminal. Lightning protection level an overview sciencedirect. Ul marking and application guides are updated as necessary due to new product development. This isthis is important for errorcorrection and system software recovery. Ufc 357501 lightning and static electricity protection systems. Lightning protection systems as 176820037 article pdf available. By recognizing the importance of an integrated lightning protection strategy, nvent has incorporated several major concepts into a six point plan of protection. Main catalog opr lightning protection systems external. Jan 01, 2000 abstract early streamer emission ese lightning protection systems are a relatively new approach to the perennial problem of lightining damage, and these systems may hold promise for a more effective protection against lighting.
Coupled with unrivalled installation, testing and maintenance capabilities, we are becoming the preferred supplier for lightning protection solutions amongst many bluechip multinational organisations. Forum on lightning protection, hilton petaling jaya, 8th january 2004 3 1. A lightning strike to an unprotected home can be catastrophic. An economic case for facility lightning protection systems in 2017. Simply stated, a structural lightning protection system cannot and will not protect the electronic systems within a building from transient overvoltage damage. Convey this energy to ground dissipate energy into the grounding system 4. In this brochure, you will gain an insight into the field of surge protection. Lightning protection systems are the modern development of the innovation pioneered by benjamin franklin.
Lightning protection systems the function of a lightning protection system is to protect structures from fire or mechanical destruction and to prevent that persons in buildings are injured or even killed. This handbook provides guidance on grounding for safety of personnel. Lightning protection systems external lightning protection air termination systems conductors earthing shielding of enclosed spaces avoiding proximity internal lightning protection surge protection surge protection is not part of the installation of a lightning protection system, rather it is. Lec engineers then specify system components, placement, and structural interfaces. This report discusses design applications of lightning protection systems to. Early streamer emission lightning protection systems. This coherent system enables the lightning to be captured and dissipated whilst providing protection to the structure. The lightning protection level lpl is generally recommended to be lpl1, which is the highest level of protection. Lightning protection systems and design omega red group.
This ufc provides policy and design requirements for static electricity protection, and lightning protection systems and related grounding for facilities and other structures. Fundamentals of lightning protection systems cedengineering. The lightning protection system must be solidly and permanently grounded. There are five types of lightning protection systems for protecting structures against lightning. It can serve as a useful guide to justify additional cost incurred by additioh. Lightning strikes the earth 100 times every second. Modern lightning protection systems blend with the style and materials of the home making the system practically invisible from the ground. Reflecting the latest protection methods, devices, and safety challenges, the 2017 edition of nfpa 780, standard for the installation of lightning protection systems is the new industry benchmark for protecting lives and property from fire and related dangers associated with lightning events. This standard has a comprehensive risk assessment section that is based on iec standards, well written rules for the design of lightning protection systems, guidance. How to protect your house from lightning national lightning.
The current standard for lightning protection in australia and new zealand is asnzs 1768. Lightning protection for a house or building usually consists of 3 components. Advanced ese lightning protection system digital lightning. Four lightning protection levels lpl i to iv, with 4 types of relevant protection measures for the design of lps are introduced.
Multiplicity and duration of strokes in a single strikemultiplicity and duration of strokes in a single strike. The information provided here must be utilized by electrical engineers in the development of the plans, specifications, calculations, and designbuild. Prweb december 05, 2018 the first two types of systems protect structures by providing zones of protection over that structure. Depending on the type, a strike can exceed 300,000. The basics of surge protection the basics of surge protection. The function of a lightning protection system is to protect structures from fire or mechanical destruction and to prevent that persons in buildings are injured or even killed. This includes basic information on the topics of technology and electronics that applies to all of us. Structural earthing and lightning protection systems for. The possible types of damage are injury to living beings due to step and touch voltage. Lightning protection lightning is a giant spark of electricity in the atmosphere or between the atmosphere and the ground. Lightning protection system an overview sciencedirect. Component standards are those used by the manufacturer of the lightning protection hardware. Economic case for facility lightning protection vfc. The basis of conventional lightning protection technology.
Knowing lightning and surge protection terminology, abbreviations, signs and symbols, knowing what is lightning and types of lightning flashes, knowing what is the lightning protection systems lps, types and components, knowing the correct choice of lightning protection system components. Lightning protection systems earth rods earth bars. Modern electrical systems tend to be vulnerable to voltage surges of any kind, so arresters have become more necessary. Solutions 44 july 2017 a ir terminal in an external lightning protection systems can be divided into two categories, namely, conventional and non conventional. Protection of wind turbine rotor blades against lightning is described in iec 6140024 8. Rods, meshed conductors, catenary wires, early streamer emission lightning protection system, protection by natural. The zone of protection is defined as the space adjacent to a lightning protection system that is substantially immune to direct lightning flashes. The lps used in this country and around the world are basically divided into two types. The air terminal or strike termination device must be positioned so that it is the highest point on the structure. An overall lightning protection system consists of external lightning protection lightning protection earthing and internal lightning protection surge protection.
Design engineers, new graduate engineers, under graduate engineering students. L1 loss of human life, l2 loss of service to the public, l3 loss of cultural heritage, l4 loss of economical value including service and loss of activity, are introduced with the various sources of damages, i. A practical guide to lightning protection and australia and nz. Lightning protection system an overview sciencedirect topics. An overall lightning protection system consists of external lightning protection lightning protectionearthing and internal lightning. Conventional and unconventional lightning air terminals. However, the refs 2, 3 can provide some useful overview on lightning protection systems covered by standards such as bseniec 62305. Different types of lighting while fluorescent lighting is the most common type of general purpose lighting found in commercial settings, a wide range of options are available. The correlation between the four levels of lpl and lps is identified in table 7. Installation of a lightning protection system should ideally be done during construction as many types of lightning. These lpls equate directly to classes of lightning protection system lps. Portions of this information are based on ul publication 20081 1187 and other local service company information about lightning protection systems and lightning strike hazards.
Buy nfpa 780, standard for the installation of lightning. Now the third revised edition of the english lightning protection guide is available. There are several independent organizations that have issued standards on the installation and design of lightning protection systems. The basics of surge protection we dont just want to support you with convincing solutions, but also to be on hand with help and advice. Knowing what is the lightning protection systems lps, types and components, knowing the correct choice of lightning protection system components, knowing installation requirements of lightning protection system components. Design the lightning protection system step by step. Types of lightning protection systems lps electrical knowhow. All wind turbines need to have a lightning protection system lps. Manufacturer of advanced ese lightning protection system digital lightning counter, ese lightning arresters, active lightning conductor for protection radius 72m and ese lightning protection system for 62m protection radius offered by sabo systems pvt. In general, it is a metal device that is connected in an electrically and mechanically robust fashion to the conductor subsystem.
Fundamentals of lightning protection systems page 1 of 14 fundamentals of lightning protection systems, edition 1c september 2011. Understanding four types of structural lightning protection. Just like its predecessors, this edition of the lightning protection guide offers assistance in installing professional lightning protection systems in line with the very latest standards. State of the art for the installation of lightning protection systems 0. Rods, meshed conductors, catenary wires, early streamer emission lightning protection system, protection by natural components. Wherever it is not properly controlled or absorbed, it can cause damage to urban, residential, and rural areas. In the initial stages of development, air acts as an insulator between the positive and negative charges in the cloud and between the cloud and the ground. While there are several types of lightning, the type that concerns us in this report. Today, lightning protection systems are in use on thousands of buildings, homes, factories, towers, and even the space shuttles launch pad. Incandescent incandescent lamps have relatively short lives typically to 2000 hours of use and are the least efficient of common light sources. Sites above marked with the contain pdf copies of this application guide. Lightning protection systems can be installed on a variety of structures including homes, businesses, farm buildings, boats, and trees to protect them from damage. Following summary paragraph on lightning protection levels lpl are.
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