Our commitment to quality coupled with our aggressive pricing ensures you the best value on topofthe line lightning protection, regardless of your application. Protection against ignitions arising out of static, lightning, and stray currents. All electrical equipment is potentially threatened by surge voltages. Downloads lightning and surge protection, safety equipment. This fact sheet provides employers and workers at outdoor worksites with lightning safety. The necessity of a detailed integrated standard prescribing the lightning and surge protection of pipelines in combination with cathodic protection system is essential. In bsthe protection of electronic equipment is only. This recommended practice presents the current state of knowledge and technology in the fields of static electricity, lightning, and stray currents applicable to the prevention of hydrocarbon ignition in the petroleum industry and is based.
In 2006, all these standards documents were substituted by complete multiparts standard iec 62305 1 to 4 providing the general principles of. The lightning protection system lps relies upon the application of the physics of electrical discharges. Lightning strikes can severely injure or kill workers whose jobs involve working outdoors. Lightning is often overlooked as an occupational hazard, but employers need awareness about lightning hazards to ensure their workers safety. A practical guide to lightning protection and australia and nz. Rohit narayan, be electrical, mba tech mgmt, mieaust background the current standard for lightning protection in australia and new zealand is asnzs 1768. It is needed to protect the electrical and electronic equipment against the lightning strikes, for example the telecommu. This includes basic information about engineering and electronics topics. Unit 1 over voltage in electrical power system causes of over. Electronic equipment can be protected from the potentially destructive effects of highvoltage transients. It is also a destructive force, and the science of protecting humans and their belongings on earth is called lightning protection. Is there a way to protect electronic instrument from a direct lightning strike.
The effects of lighting can be felt by induction within a 1 km radius, and by conduction feedback from earth and strikes on lines within a radius of more than 10 km. Direct strikes to external equipment or cables often results in damage to the internal equipment they are connected to and can damage unrelated equipment due to sideconnected to, and can damage unrelated equipment due to side. The annual expected number of equipment failures due to direct lightning strokes, using the 12. Standard for fire protection in wastewater treatment and collection facilities, nfpa 820 note 3. The necessity for protection against the hazards of lightning manifests itself from time to time in the mining industry by reason of loss of life, damage to electrical equipment, fires in surface structures at mines, and accidents in the handling and use of explosives.
The need to improve the reliability and robustness of power systems and smart grids makes protection of sensitive equipment and power transmission and distribution lines against lightningrelated effects a primary concern. Content types of protection 20 31 general requirements 20 types of protection to electrical equipment 21 types of protection to nonelectrical equipment 22 increased safety ex eb 23 nonsparking device ex ec 23 constructional safety cex h 23 intrinsically safe ex ia, ib, ic 24 control of ignition sources bex h 24 encapsulation ex ma, mb, mc 25 nonincendive. Study of lightning safety distance using rolling sphere method. Cdc mining protection against lightning at surface niosh. Lightning protection consultant handbook erico is dedicated to providing a costeffective lightning protection solution for any given application. Protective devices, known by a variety of names including lightning barriers, surge arrestors, lightning protection units, etc.
For further information on protection against static electricity and lightning hazards in hazardous classified locations, see. This book provides the reader with a thorough background in almost every aspect of lightning protection. Spds do not indeed cannot protect equipment against direct lightning strikes. Their low capacitances make them suitable for xdsl. Their concern is to neutralise voltage surges on cables caused by inductive or resistive coupling from nearby lightning strikes. Ecle offers a line of quality lightning protection system equipment that can be fitted for commercial, industrial and residential structures. Erico manufactures, using the eritech trade name, lightning protection systems in full accordance with more than twelve national and international. Fundamentals of lightning protection systems page 1 of 14 fundamentals of lightning protection systems, edition 1c september 2011. Firing bolts of lightning at expensive electrical equipment is all in a days work at the national electric energy testing research and applications center. A proper lightning protection system design is very important to ensure increased protection of a building against lightning and its effects. Protection of oil storage tanks against direct lightning. The need to improve the reliability and robustness of power systems and smart grids makes protection of sensitive equipment and power transmission and distribution lines against lightning related effects a primary concern. Jun 21, 2019 in bsthe protection of electronic equipment is only included in an informative annex. 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.
In particular, spds should be fitted on the mains power supply lines and incoming datasignal cables to from all critical sensitive. Lightning protection overview lightning protection institute. Any sensitive equipment requiring protection against lightning strikes and ac power faults. In annex c of iec 623051, the simulation of the lightning current specific energy, charge, front current steepness for test purposes is described. The contents of the book, distributed over 23 chapters, covers all aspects. Transient overvoltages are short duration surges in voltage between two or more conductors lpe, ln or npe, which can reach up to 6 kv on. Periodic inspection of earthing and shortcircuiting devices. Renewable electricity generation capacity has been increasing all over the world, and lightning can cause failures either by hitting the turbines or panels.
You can modify the impulse by lowering its intensity and lengggthening its duration. Bs eniec 62305 lightning protection general standard principles. Chapters 8 through 17 focus on protection of electrical and avionic systems against indirect effects and form the basis for our course, lightning protection of avionics. In annex d of iec 623051, the test parameters simulating. You can bond all of your equipment to a good ground so that it acts like a single piece of equipment. Lightning protection products lightning rod supplier ecle. The protection of telecommunication lines and equipment. The handbook the protection of telecommunication lines and equipment against lightning discharges was originally published in 1974, followed by. Trabtech surge protection user manual for specialist electrical planners. A lightning protection system commissioned or installed on a structure prior to this date should be maintained to bs accept and continue learn more about the cookies we use and how to change your settings. Lightning is often overlooked as an occupational hazard, but employers need awareness about lightning hazards to ensure their workers. These devices are dedicated to central office protection as they comply with the most stressful standards. Protection of oil storage tanks against direct lightning strikes. The product terms mentioned in the lightning protection guide that are also registered.
Iec 612 series for protection against lightning electromagnetic pulse lemp. Abstract this british standard provides guidance on the design of systems for the protection of structures against lightning and on the selection of materials. It can serve as a useful guide to justify additional cost incurred by additioh. 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. Lightning is a natural phenomenon that has always fascinated humans. A practical guide to lightning protection in australia and new zealand author. Lightning surge protection for electronic equipment a. As with all aspects of electromagnetic interference and control, the prevention of damage and interference from lightning becomes more and more critical as aircraft evolve. Our white papers provide a range of practical examples on lightning and surge. A piece of equipment is said to be protected from a direct stroke if it remains below the curved surface of the sphere. The current standard for lightning protection in australia and new zealand is asnzs 1768. Lightning protection standard the bs eniec 62305 standard for lightning protection was originally published in september 2006, to supercede the previous standard, bs 6651. Safeguarding your electrical systems why is transient overvoltage protection so important. Janakiraman, senior manager product development, obo bettermann india pvt ltd explains the design guidelines.
Theres a lot that can be said about lightning protection, but it usually boils down to doing all of these things. The data in figures 3 and 4 was adapted from data in lightning protection of aircraft by franklin a. Bs 7671 18th edition transient overvoltage protection. Use current division to control the dissipation of lightning strike energy on an antenna tower grounding system through multiple paths. Lightning strikes can severely injure or kill workers whose jobs involve working. Surge protection lightning protection equipment platt. Equipment sealed against the entrance of an external atmosphere. Additional guidance on lightning protection against lightning damage for external equipment and sensor installations can be found in sae arp 5577. During thunderstorms too, high volume of energy is instantaneously released which is more common in nature. You dont need a whole faraday cage to protect against this. This brochure provides you with an overview of lightning and surge protection for electrical systems. Mar 08, 2018 a proper lightning protection system design is very important to ensure increased protection of a building against lightning and its effects. Grounding system and lightning ground fault protection 1 i info the information given is intended to provide basic grounding techniques and lightning protection.
As a fullservice manufacturer, ecle has the ability to fill all of your lightning protection equipment needs. Lightning protection guidelines for aerospace vehicles. Energy is divided and shared by a distributed ground connection. Design guidelines for proper lightning protection system. During thunderstorms too, high volume of energy is instantaneously released which is more common. The results reveal that for a better protection of equipment against lightning, the entire power network should be considered as source of interference for the study of shielding effectiveness. In 2006, all these standards documents were substituted by complete multiparts standard iec 62305 1 to 4 providing the general principles of protection against lightning, risk. The effects of induced surge on a connected device will be more severe when the. Lightning and surge protection basics we dont just want to support you with excellent solutions, but also to be on hand with help and advice. The first airplane lightning protection test standards were published in the mid1950s by the united states us federal aviation administration faa and the us department of defense dod. Established in 1984, east coast lightning equipment provides highquality, ul listed lightning protection system components to the lightning protection and professional design industries throughout the usa, canada, central america, and the middle east. Description the smp100lc is a series of low capacitance transient surge arrestors designed for the.
How to protect your house from lightning premier power inc. Summary a this section specifies the lightning protection and grounding system for the buildings or structures. Protecting electrical equipment against lightning damage date. How to protect your house and its contents from lightning. 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. It is not intended to be a complete course on grounding or a guarantee against protection during a lightning strike situation. The value received begins with proper design, continues through quality installation practices, and must include inspection and certification.
Separate the antenna tower from the equipment building by a minimum of 30 feet. The handbook the protection of telecommunication lines and equipment against lightning discharges was originally published in 1974, followed by the publication of additional chapters 6, 7 and 8 in 1978. It is not intended to be a complete course on grounding or a guarantee against protection during. Their concern is to neutralise voltage surges on cables caused by inductive or. Bs eniec 62305 lightning protection general standard. Automatic lightning protection is the premier supplier of usa made and ul approved lightning rod parts and equipment. Fundamentals for surge protection from the generation of surge. The lightning arrester is a devices which provides very low impedance path to the ground for high voltage travelling waves. This system provides facility protection for the building and occupants by preventing damage to the structure caused by lightning and induced transient currents. Protection of aircraft electro magnetic applications, inc. Lightning protection system design and installation. Design guidelines for proper lightning protection system as. Designing to the iec 62305 series of lightning protection standards.
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