Pdf performance of surge arrester installation to enhance. Lightning protection self installation instructions and diagrams can be viewed here. The purpose of this document is to detail the proper installation procedures for many of the items typically used for lightning protection in and around an amateur. Bs eniec 62305 lightning protection general standard principles. The purpose of this document is to detail the proper installation procedures for many of the items typically used for lightning protection in and around an amateur radio station. Lighting surge protection modules design and installation.
The kit employs a polyphaser surge protector rated for the 900mhz frequency band of the. If there is a surge so strong that something must be damaged, we prefer that our arrestor be. This also applies to buildings where lightning protection equipment is installed outdoors. Lightning protection system design and installation. Consider these points when grounding the lightning arrestor. Each structure is unique, meaning so are your needs. A lightning protection system using an early streamer emission air terminal s shall be designed with provisions for inspection and maintenance. If installed correctly this arrester offers an added level of protection against lightning damage. The arrestor is designed to conduct 60,000 amps of lightning or surge to ground without damage. Manufacturers installation standard for lightning protection.
Page 1 page 2 page 3 page 4 page 5 page 6 page 7 7. Arrester fundamentals application of arresters and other overvoltage protection schemes distribution equipment protection overhead and underground. When lightning strikes a line protected with a lightning arrester, the nonlinear. Refer to manufacturers instructions for test requirements. A lightning arrester alternative spelling lightning arrestor also called lightning diverter is a device used on electric power systems and telecommunication systems to protect the insulation and conductors of the system from the damaging effects of lightning. Lightning protection installation and grounding procedure novatel. View and download delta la302r installation manual online. Ge offers an extensive line of surge arrester products. How to protect your house from lightning national lightning. Cisco aironet lightning arrestor airacc245lan mounting.
To see the materials needed for the installation kindly visit. Since introducing the worlds first metal oxide arrester in 1976, offering new concepts in. A lightning strike into the ground causes an increase in the earths potential which results in a high voltage potential between the center conductor and shield of the coaxial cable. Learn what is the purpose of lightning arrester and why is testing necessary. Installation information for qo2175sb surgebreaker secondary surge arres ter author. Cisco aironet lightning arrestor airacc245lar cisco. Lightning protection installation and grounding procedure what is the hazard. The original lightning arrester was nothing more than a spark air gap with one side connected to a line conductor and the other side connected to earth ground. Lightning protection system design applications for tactical communications systems john m.
Type 1 lightning arrester for lightning protection level i iv. Lightning current arrester type 1 with integrated backup fuse surge arrester type 2 device protection type 3 lightning current arrester type 1. This paper selects the lowest rated surge arrester as it provides insulation. Fire protection associations standard 780, standard for the installation of lightning protection systems. Professional surge protection for building installations. Development of this report is in direct response to the request embodied in the national fire protection associations standards council decision 0030 for governmental users to. The lightning arresters are used to protect power system from high voltage surges.
Material shall be stored in a covered dry space at all. It is used to conduct the direct lightning current, propagating from the. The selection of the surge arrester depends on the application to be protected. On receipt of the lightning protection system materials at site necessary precautions shall be taken for unloading, shifting and storage, as follows. 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. Cisco recommends that you bulkhead mount the lightning arrestor so it can be installed as a wall feed through on the wall of the protected space.
Power lightning arrester is used for limiting the voltage surge due to a lightning. Oct 07, 2018 in my experience, not necessarily in all building. 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. A good surge protection system installation should include testing of all the.
Hi friends, in this article, i am going to discuss about lightning arrester types and lightning arrester working principle. Overvoltage surge protection technical note, europe and apac 1 contents 1 overview 1 lightning strikes and electromagnetic pulses 1 direct lightning strike 2 electrostatic induction 2 electromagnetic induction indirect lightning 3 what is a surge protection device. The various forms of coupling must be considered in order to understand the effects of lightning. Nfpa 780 provides lightning protection system installation requirements to safeguard people and property from fire risk and related hazards associated with lightning exposure. Design of lightning arresters for electrical power systems. Distribution systems siemens 3ek cage design distribution class surge arrester product family is ideally suited for the reliable protection of. If an outdoor ac power cord should be directly connected to the device, please use a power lightning arrester. Installation instructions for lightning arrester kit kit. One of the most common lightning arresters is the mov metal oxide varistor 8. Lightning is the direct cause of over 50 deaths and 400 injuries each year, and it is difficult to. Ieeeiec lightning arrester arresters for ac and dc applications. The function of the surge arrester is to allow the discharge of any dangerous overvoltage before it can do damage and then to restore the line to.
The basis of conventional lightning protection technology. Lightning protection installation according the standard une 21186. However, for extra protection in areas prone to lightning. Lightning protection installation and grounding procedure. 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. The main characteristics are therefore briefly summarized in 4.
The manufacturers installation instructions should be clear in the mounting and. A lightning arrester, surge arrester or line arrester is a device used on electrical power systems and telecommunications systems to protect the insulation and conductors of the system from the damaging effects of lightning. Standard for the installation of lightning protection. Polymer arrester outline drawings contd porcelain arrester outline drawings mm for specifications on class 3, 4 and 5 ratings, please refer to the tables on pages 7 to 15. A lightning arrester is essentially a collection of billions of microscopic junctions of metal oxide grains that turn on and off in microseconds to form a current path from the top terminal to the ground terminal of the arrester. Since we expect the arrestor might be damaged, install it in a regular electrical enclosure to protect personnel from. It is used to conduct the direct lightning current, propagating from the earth. Line installation and protective equipment master catalog 5 kv 35 kv electrical distribution systems. Siliconehoused surge arrester pexlim pz english pdf leaflet surge arrester for gis elk04c english pdf leaflet three phase surge arrester az04d for 145 kv gis, elk04 c english pdf leaflet texlim product note english pdf leaflet surge arrester zno block testing english pdf leaflet high voltage surge arresters. Surge protec on using proper grounding rods and plates and baseline surge arrestors provides the best possible protec on against surge damage due to lightning or other electrical surge events. Instructions and diagrams automatic lightning protection. Despite its very brief duration, from a few microseconds to several hundred microseconds, such an event can lead to total failure or even the destruction of the affected installation. Protection systems considered the national design guide for complete lightning protection systems in the united states. This map of worldwide lightning frequency courtesy of nasa global hydrology resource center depicts the number of lightning flasheskm2year for various regions.
The kit employs a polyphaser surge protector rated for the 900mhz. Jan 29, 2018 when you watch this video, you will able to learn how to install lightning arrestor into your homes and offices. This will make adjustment of the arrestor much easier. Basic guide for external lightning protection installation. The type 1 surge arrester is recommended for electrical installations in the service sector and industrial buildings protected by a lightning conductor or by a meshed cage. When lightning or surge is in excess of 60,000 amps, the arrestor is expected to experience damage. Lightning arresters, or surge arresters, since in this case the terms are somewhat interchangeable, are a device that is installed to protect homes, structures, and power lines from dangerous surges of power. Arrester fundamentals application of arresters and other overvoltage protection schemes distribution equipment protection overhead and underground systems protection substation transients low voltage surge protection additional details the classes are held at our power systems experience center, commonwealth drive. Designing to the iec 62305 series of lightning protection standards. Is it necessary to install a building lightning arrester. Installation in the premeter area makes it possible to arrest. 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. Following tools shall be arranged before starting the work for earthing, bonding and lightning protection system installation and testing.
These installation instructions are the minimum requirements for receiver and antenna installations. Less stress for the spd and the electrical installation. The modern metal oxide arrester provides both excellent protective. Lightning arrestor installation guide for questions or help contact ramm horse fencing and stalls at 8008531611 the easiest and best way to install your lightning arrestor is by installing a cutout switch on the hot leadout wire close to the sight where you will be installing the arrestor. The application and selection of lightning arresters. A type 1 arrester is strongly recommended for environments with a high risk of lightning strikes. Lightning protection in the technical information pages. The lightning protection institute is a nationwide notforprofit organization. Surgebreaker, qo2175sb, surge, arrester, secondary created date. The typical lightning arrester has a highvoltage terminal and a ground terminal. Led lighting surge protection modules design and installation guide figure 5. The importance of obtaining a good ground and bonding connection cannot be overstressed.
The arrester should be mounted between the electric fence charger and any fence connections. The lightning arrester is a nonlinear device that acts as an open circuit to low potentials, but conducts electrical current at very high potentials. Code nfpa 78, and underwriters laboratories 96a, standard for installation requirements for lightning protection. To provide proper protection for your home or business arresters must be installed very carefully, and with considerable precision. Bs eniec 62305 lightning protection general standard. Lightning arrester installation services call for surge arresters in tampa, sarasota, st. Lightning protection can be installed even when the risk management process may. Installations not directly related to those areas and structures housing such installations can be protected against lightning by the provisions of this standard. Due to the high installation cost of surge arresters, some utilities like salt river project srp only install the surge arrester at. The easiest and best way to install a lightning arrester is by installing a cutoff switch on the highvoltage burial wire close to the site where you will be installing the arrester. When you watch this video, you will able to learn how to install lightning arrestor into your homes and offices. It protects electrical installations against direct lightning strikes. Line installation and protective equipment specifiers guide. Installation of lightning arresters the arrester should be connected to ground to a low resistance for effective discharge of the surge current.
Installation information for qo2175sb surgebreaker. As the installation of lightning rods is a protection system, it is very important that it is performed by technically qualified personnel and under the current regulations. A higher rated arrester increases the ability of the arrester to survive on the power system, but reduces the protective margin it provides for a specific insulation level. The proper selection and application of lightning arresters in a system involve. When lightning strikes a line protected with a lightning arrester, the nonlinear resistance draws the current to ground. Incorporating a robust surge suppression circuit in an outdoor led luminaire can eliminate. Installation instructions for lightning arrester kit kit number 5300534 this kit is intended for use with the binmaster directional wireless system, wl 19d. Surge arrester placement for substation lightning protection. On completion of the installation the following isolated and combined testing measurement and or checks has to be made and the results recorded in a lightning protection system checklist. What is not discussed in these and other technical documents are installation procedures and examples.
22 441 89 399 1469 403 1324 160 1334 640 1188 1124 1453 377 1497 931 775 1036 705 1484 1470 59 430 301 638 449 901 1357 1118 258 1375 922 795 753 779 451 1033 316 551 627 934