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. Lec engineers then specify system components, placement, and structural interfaces. 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. We can accept no responsibility for any possible printing errors that may appear in this catalog. Following the installation of the lightning protection system it can be site inspected and a ul master label certificate will be issued to compliant systems. Proper earthing is a basic protection against ac line disturbances. Committee on electromagnetic compatibility saeae4 formulate improved lightning protection design and test standards. Janakiraman, senior manager product development, obo bettermann india pvt ltd explains the design guidelines. Moreover, further customer or project data can be entered which are also integrated in the result report. As the recognised market leader, omega red group ltd offer current and prospective clients help, to evaluate the risk of suffering the effects of lightning. In essence, structural lightning protection can no longer be considered in isolation, protection.
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 6651. State of the art for the installation of lightning protection systems 0. Separate the antenna tower from the equipment building by a minimum of 30 feet. Design procedure risk assessment evaluate the importance and value of the facility. Additionally, the software permits the generation of a complete design and bill of quantity in pdf format considering the entirety of the project. This manual is intended as a guide for electrical engineers and designers hereafter referred as. Design the lightning protection system 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. Pdf since lightning has no specific path to reach the ground, it may choose to. Bills of quantity related to each lightning protection system design are accessible at any time in the software, and can also be exported to excel file. 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. Earthing and lightning overvoltage protection for pv plants a guideline report november 2016 empowered lives. Omega is able to offer a turnkey service from initial site survey, risk assessment, material supply, installation.
Amdt 2 2012 amended to replace the table on lightning ground flash density. The as1768 standard endorsed the lightning safety design based on the. As the build up and separation continues until the voltage difference between the cloud and the ground exceeds the air insulation strength, it resulted in a lightning discharge as the air resistance is overcomeresistance is overcome. Design calculations of lightning protection systems part. Lightning protection by lightning eliminators and consultants. Like many other engineering systems, lightning protection is not necessarily a design preference, but the need for a lightning protection system is determined by the requirements of nfpa 70 and nfpa 780, a lightning risk assessment, and oftentimes the facilitys insurance carrier. Bs eniec 62305 lightning protection general standard principles. The lightning protection standard is an iec standard and was therefore incorporated in the standards of the cenelec members under consideration of national requirements.
In article design calculations of lightning protection systems part two, i indicated the lightning protection design process involves a number of design steps as in fig. Lightning protection levels four lpls are introduced. Limitation of abstract of report of this page of abstract unclassified unclassified unclassified ul nsn 7540012805500 standard form 298 rev 2. 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. 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. Benjamin franklin invented the earliest lightning safety instrument, the lightning rod, in 1752. The ground resistivity should be less than 10 ohms for the lightning system according to many standards such as ieee and asnzs. The resistance between these components and the lightning protection system shall be less than one 1 ohm.
Lightning protection guidelines for aerospace vehicles. Lightning protection systems and design omega red group. Mar 08, 2018 a proper lightning protection system design is very important to ensure increased protection of a building against lightning and its effects. Annual inspection checklist for lightning protection. Lightning flashes to, or nearby, structures are hazardous to people, to the structures themselves, their contents and installations. The need for lightning protection result for each type of risk will be one of the following. Cirprotec, a pioneer in the design and manufacture of lightning and surge protection devices.
Designs account for environmental factors like wind, ice, and corrosion. Design the lightning protection system step by step. A report of the lightning protection system containing the design criteria. Design guidelines for proper lightning protection system. Pdf survey of recent progress on lightning and lightning. For each lpl, a set of maximum and minimum lightning current parameters is fixed lpl i to iv the maximum values of lightning current parameters are used to design lightning protection components eg. Install lightning protection measures in order to reduce the calculated risk r, this phrase will appear in red color as a warning sign. The onsite inspection process provides assurance that the lightning protection system complies with the appropriate standards. Chapter 2 lightning protection design, engineering, acquisition, installation, and. This article series describes common lightning protection systems, certification, installation, and lightning protection system inspection.
Lightning protection design the purpose of lightning protection design is to safeguard valuable equipment and assets from the hazards arising from exposure to lightning. Afp 98 6, 23 states that the electrical test procedures. Lightning protection overview lightning protection institute. A lightning protection system using an early streamer emission air terminal s shall be designed with provisions for inspection and maintenance. Report of the federal interagency lightning protection user group.
If this information is not available it is recommend to use protection level one in the design. This worksheet helps you to calculate the following. Basic inspection tips for lightning protection systems. Design guidelines for lightning protection of pv systems. 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. Pdf electrical earthing grounding systems a technical. During thunderstorms too, high volume of energy is instantaneously released which is more common in nature.
Lightning protection systems design part i electrical. Our white papers provide a range of practical examples on lightning and surge. Designers and manufacturers of lightning protection systems for buildings, factories, and homes. Army 5 and air force 6 documents provide specific lightning protection and grounding systems test procedures. Use current division to control the dissipation of lightning strike energy on an antenna tower grounding system through multiple paths.
The possible types of damage are injury to living beings due to step and touch voltage. Design guidelines for lightning protection of pv systems eng460 engineering thesis final report mick constable august 2012 to november 20 a report submitted to the school of engineering and energy, murdoch university in partial fulfilment of the. This lightning protection study was done based on the protection of equipment in the. 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. Main catalog opr lightning protection systems external. It still represents a viable solution to lightning strikes. Nwsm 304106 technical manual deficiency report instructions. Standard for the installation of lightning protection systems. Annual inspection checklist for lightning protection systems. Furse provides world leading earthing, lightning and electronic systems protection from our own designed and manufactured products through to risk assessment and systems design advice. Use the form provided here to comment on the content of this manual, suggest. 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. Location frequency and severity of thunderstorms in area.
A practical guide to lightning protection and australia and nz. To assist in the planning and design of lightning and. Designing to the iec 62305 series of lightning protection standards. History of lightning protection system design in tactical systems. The specification of a lightning protection system should require that the design complies with the iec 62305 series of. Now the third revised edition of the english lightning protection guide is available. The current standard for lightning protection in australia and new zealand is asnzs 1768. Etri completed the design effort and has finished the development of transponder.
Downloads dehn lightning and surge protection, safety. This standard has a comprehensive risk assessment section that is based on iec standards, well written rules for the design of. Fundamentals of lightning protection systems page 1 of 14 fundamentals of lightning protection systems, edition 1c september 2011. How to inspect lightning protection systems, examples. The sae report quickly became the standard for the us civil aviation indus try. The former event is a cloudtocloud discharge, while the latter, known as. Report of the federal interagency lightning protection user group june 2001. Summary report on system for compliance with latest codes. Nfpa published its first document on lightning protection in 1904. The idea behind mast is to find a low resistive path for the lightning to discharge into the ground. Ul marking and application guides are updated as necessary due to new product development. Lightning protection system design and installation. The basis of conventional lightning protection technology. 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.
Lpi is dedicated to ensuring that todays lightning protection systems provide the best possible quality in both materials and installation practices for maximum safety. Periodic inspection of earthing and shortcircuiting devices. Bs eniec 62305 lightning protection general standard. This report discusses design applications of lightning protection systems to military tacticalmobile. Design guidelines for proper lightning protection system as. This applies whether the source of the disturbance is lightning, powersystem switching activities, or faults in the distribution network.
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