Make planning easier with the various calculation programmes in dehnsupport toolbox a software for electrical planning engineers, installers of lightning protection systems and electricians. Applicationoptimised and prewired combined lightning current and surge arrester for tnc systems with a nominal voltage of 230 400 v. Design guidelines for lightning protection of pv systems. Dehn arresters are topquality products from germany which offer reliable surge protection. Surge protection lightning protection safety equipment dehn protects. Dehn, dehn logo and dehnguard are protected by german trademark, by community trademark eu, andor are registered trademarks in other countries. Product information brochures, selection guides and technical articles on surge protection power supply and data systems, lightning protection, earthing, safety equipment and the dehnsupport toolbox software. Benjamin franklin, inventor of the lightning rod, recognised lightning as an electrical phenomenon back in 1752. Dehn has taken on the task of protecting persons, buildings, installations as well as electrical and electronic devices from the hazards related to lightning strikes and surges. If the risk values determined are higher than the tolerable risks listed in the standard, measures external lightning protection, surge protection, fire alarm systems, etc. This includes cookies which are necessary for the operation of the website and to manage our corporate commercial objectives, as well as other cookies which are used solely for anonymous statistical purposes, for more comfortable website settings, or for the display of personalised. If there are further distribution boards, dehnguard. Back when photovoltaic technology was still in its infancy, we were. We accept no liability for technical modifications, misprints and errors.
For more than 100 years, dehn products have been reliably providing protection against lightning strikes and surges. Lightning and surge protection for photovoltaic pv systems. In figures 1 to 4 the spds, which are normally required to protect the interfaces, are represented with a solid line. Function principle surge is conducted to the device surge on a wire unprotected 17. Keep off the deck and do not fish during a thunderstorm. For three decades, the lightning protection guide from dehn has been the trademark for. Protection for the sensitive electronic circuitry of the charging infrastructure, dehn protective equipment. The relevant organising principle of dividing the object to be protected into protection zones known as lightning protection zones lpz and defining the zone. Safe lightning and surge protection is based on the lightning protection zones concept. Our solutions combine industryspecific knowledge with longstanding technical experience in the fields of surge protection, lightning protection and safety equipment. When correctly installed, the recommendations on this page and in this technical note give the user the best protection from the harmful effects of lightning. Pdf lpl i lpl ii lpl iii lpl iv risk calculation by dehn extra charge we will be pleased to submit a free offer. Dehn, dehn logo, dehnshield, dehnventil and redline are protected by german trademark, by community trademark eu, andor are registered trademarks in other countries.
Dehn corp presentation jan 20 lightning protection, surge. Dehn has been providing surge and lightning protection around the world for over 90 years. This includes cookies which are necessary for the operation of the website and to manage our corporate commercial objectives, as well as other cookies which are used solely for anonymous statistical purposes, for more comfortable website settings, or for the display of personalised content. Spds are now required for electrical machinery under nfpa 792018. Dehn is a worldrenowned lightning and surge protection expert also in the field of photovoltaics. Compact design due to spacesaving spark gap technology with a width of only one module pole. Every specialist who has to do with lightning and surge protection appreciates our indepth lightning protection guide. Function principle surge is discharged spd by the spd spd surge protective device surge on a wire protected 18 basics of surge protection. A surge protection concept with dehn arresters avoids maintenance as a result of surge damage. Further patents followed in the course of the companys history. Dehn protects storage tanks safe storage of crude oil protect employees and the environment more. Combines surge protection and backup fuse in a single component. Surge protection concept for led street lights dehn.
Dehn india lightning protection and safety equipment. These are customised for applications in buildings, the energy sector and the infrastructure. Function principle surge is discharged spd by the spd spd surge protective device surge on a wire protected 18 basics of surge protection julian saele september 2015 u p. Unit 2, k101 business park capital hill commercial estate. Surge arrester to be screwed onto field devices with npt thread. A lightning and surge protection concept by dehn effectively protects your investment in the pv system. He serves as an active member on several sabs committees and working groups and holds a. The installation of a lightning and surge protection system for electrical installations represents the latest state of the art and is an indispensable. The above figure exemplarily shows the lightning protection zones of a fire alarm system according to the type of lightning threat.
The safest solution to protect a structure from the negative consequences of lightning effects is to install a complete light ning protection system consisting of an. For more than three decades, this standard reference book has provided extensive knowledge, e. It is common knowledge today that lightning protection is more than a cage of airtermination sys. The dehn earthing tool calculates the earth electrode length as per iec 623053 for foundation earth electrodes, ring earth electrodes, earth rods and the soil resistivity. Surge protective devices for installation into switchgear installations, meter mounting boards, distribution cabinets, cable ducts, socket outlets and terminal equipment. In seminars we give instructions and training for the practical application of components and devices in special structures and systems. The professional planning and realisation of a comprehensive lightning and surge protection system can be rather complicated.
Lightning protection guide 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 and systems. Protect your safety systems by topquality dehn products. Install a lightning protection system on your boat. Here we take a look at some of the important criteria when selecting spds such as ensuring the correct type of spd, its ka rating and voltage protection level are.
Dehn arresters ensure the longevity and availability of led technology. Gas industry with a comprehensive lightning and surge protection concept you can optimise the continuous operation of gas pipelines, natural gas compressor stations and gas pressure. Dehn lightning and surge protection, safety equipment. Zone in which the threat is due to direct lightning strikes and the undamped lightning electromagnetic field. Due to their exposed installation sites and large collection areas, photovoltaic pv installations are at a high risk of damage due to both direct and indirect lightning strikes. A complete external lightning protection system consists of. For more information, a dedicated brochure ds109 for protecting photovoltaic systems is available. This delays the return on investment and postpones the breakevenpoint. Specialist for surge protection, lightning protection, home and construction safety products and all safety equipment suppliers in india. These systems require special protection especially on the d. The dehn spd configurator is the fastest and easiest way to create a custom built surge protection device spd in a rugged, weatherproof enclosure. Our tried and tested lightning and surge protection as well as earthing and equipotential bonding concepts are developed by dehn experts. Directly coordinated with dehnguard surge protective devices without. Dehnpartners sell or install our wide variety of products in lightning protection, surge protection and safety equipment.
Dehn products are vdscertified and provide high quality which is continuously improved. The direct current generated by the pv modules poses a. This requires that the lightning strike be safely intercepted by the lightning protection system of the rotor blades so that it can be discharged to the earthtermination system via the. Spd is required for the outgoing circuits of the safety light. 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. Dehnselect spd tool page 15 with the new dehnselect spd tool you can plan internal lightning protection and surge protection measures, making. Dehn offers a wide spectrum for practiceorientated education and trai ning in the fi elds of surge protection, lightning protection earthing and safety equipment. Surge protection for telecommunication connections dehn uk. Husum wind 2019 visit us in hall 2 at booth 2c03 more. Dehn protects, when lightning strikes tips on how to protect yourself in a thunderstorm as well as certificates concerning environmental and quality management. We plan lightning and surge protection measures for your project including asbuilt data collection, tender specifications and material quotations. Surge protection main catalogue valid as of october 1, 2018 this catalogue replaces the surge protection main catalogue 2017. Lightning protection guide 3rd updated edition dehn africa. Surge and fire protection for photovoltaic systems dehn globally protects photovoltaic systems in the kilowatt to megawatt range against interruption and failure caused by lightning currents and surges.