Oct 04, 2017 rod gap lightning arrester is the simplest form of lightning arrester. Code of practice for the protection of buildings and. Manufacturer of conventional lightning protection system conventional lightning arresters, lightning protection system, franklin lightning arrestor and spike lightning protection system offered by jmv lps limited, noida, uttar pradesh. Conventional and unconventional lightning air terminals. Ese vs conventional in lightning protection system cape electric. Lightning arresters are devices used to stop lightning from damaging electrical power systems. Rod gap lightning arrester is the simplest form of lightning arrester. There are several types of lightning arresters in general use. 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. The source of the lightning was represented by the atp models type 15 surge function and type ramp function and the surge arrester was represented by the mov type 92 component. Each type of electrical equipment has a standard bil rating.
A lightning arrester is the first component in a three step process designed to eliminate damaging voltage spikes from damaging electrical and electronic devices. It essentially consists of a rod gap aa in series with a second gap enclosed within the fiber tube. Safer design for safer play is an online lightning safety resource to educate consumers, design professionals and facility operators about effective lightning protection measures and bestpractices in lightning safety strategies for outdoor recreational facilities such as theme parks, golf courses, playgrounds and sports stadiums. A ir terminal in an external lightning protection systems can be divided into two categories, namely, conventional and non conventional. Introduction when it comes to lightning protection, a common misconception is that the different types of solutions available are variations on the same technology. With average lightning currents of 20 to 30 kilo amps and heat energy in excess of 20,000c, the need for improved lightning protection is evident. Hi friends, in this article, i am going to discuss about lightning arrester types and lightning arrester working principle. The iec 623052 standard describes different types of lightning effects as sources of. Lightning arrester normally a spark gap device connected between each leg of a pow.
The gap between the electrodes intercepts the flow of current through the arrester except when the voltage across the gap raises beyond the critical gap flashover. Instructions type rm autovalve lightning arresters for protection of dry type transformers fig. To prevent damage to electrical equipment, surge protection considerations are paramount to a welldesigned electrical. J connectors and splicers shall be of suitable configuration and type for the. Ese lightning arresters, early streamer emission lightning. This metallic lightning arrestor gets mounted on the top of the building and as soon as the lightning strikes, it gets knock down through the down conductors and ground electrodes for the discharge. An overview hartono zainal abidin, bsc elect, mieee robiah ibrahim, bsc elect, mieee synopsis the unconventional lightning protection air terminals at have been around since.
Since introducing the worlds first metal oxide arrester in 1976, offering new concepts in. They differ only in constructional details but operate on the same principle, providing low resistance path for the surges to the round. In this paper, a system to monitor the lightning strikes. 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. This arrester was rated 1,200 v and consisted of a simple rodgap design. All lightning arresters are designed to become more conductive when the applied voltage becomes sufficiently high.
Lightning and surge arresters siemens et b1 2005 overview combination arresters are surge arresters that meet the basic requirement of requirement category i and ii, i. Sabo conventional lightning arrester is installed at the roof of the building or mast of a vessel which then protects your building from lightning. They consist of series of nonlinear resistor disc and spark gaps. A the lightning protection contractor shall furnish an lpi master installation. This arrester type is more applicable in high powered electrical systems. The valve type lightning arrester may be station types, line types, arresters for the protection of the rotating machine distribution type or secondary type. A type a earthing system is useful for low building structures e. Lightning protection system conventional type lightning. One rod is connected to the line circuit and the other rod is connected to earth. It is placed very near to the equipment and when the lightning occurs the arrester diverts the high voltage wave of lightning to the ground. Conventional lightning protection system jmv lps limited.
Trueblue electrodes true blue electrodes make conventional lightning rod spike lightning arrester or lightning conductor is a metal rod or conductor mounted on top of a building and electrically connected to the ground through a wire, to. Bs eniec 623051 general principles this opening part of the bs eniec 62305 suite of standards serves as an introduction to the further parts. Lightning arrester lightning arrester types types of. This reduction in damage and consequential loss is valid provided the lightning strike parameters fall within defined limits, established as lightning protection levels lpl. Design of lightning arresters for electrical power systems. During thunderstorms too, high volume of energy is instantaneously released which is more common in nature. The lightning arrestors are used for protection of incoming and outgoing line and also of the power transformers from lightning surge as well as from power frequency over voltage. Safer design for safer play a lightning safety initiative. They work when excessive voltage cause the spark gaps to touch, the current is driven to the ground through the nonlinear resistors 78.
Design guidelines for proper lightning protection system as. Lightning is an aweinspiring natural phenomenon that can discharge up to 200,000 amps in a fraction of a second, thus making lightning protection imperative for. This type of arrester is also called protector tube and is commonly used on system operating at voltages up to 33kv. Ieeeiec lightning arrester arresters for ac and dc applications. It consist tworod electrodes, one of which is connected to the line and other to earth. A proper lightning protection system design is very important to ensure increased protection of a building against lightning and its effects. Lightning dissipater which is available as a single rod, 3spikes and 5spikes.
Spike lightning arrestor is a metal rod, made of copper and, used as part of lightning safety to protect tall or isolated structures such as the roof of a building or the mast of a vessel from lightning damage. Fig shows the essential parts of an expulsion type lightning arrester. Conventional lightning protection system a conventional lightning rod spike arrester or lightning conductor is a metal rod or conductor mounted on top of a building and electrically connected to the ground through a wire or earthing copper strips, to protect the building in the event of a lightning strike. Calculate whether lightning protection is required or not for following building. In article types of lightning protection systems lps, i explained the first type of the conventional lightning protection system which is franklin rod lps and i listed other names for this type as follows. The lightning strike hazards can be properly managed by using a lightning location system lls. Wholesaler of lightning protection system conventional type lightning arrester, ese lightning protection system, base support system and ese type lightning arrester offered by doksun power private limited, surat, gujarat. Lightning arresters are coordinated with standard electrical equipment insulation levels so that they will protect the insulation against lightning over voltages.
The application and selection of lightning arresters. The main characteristics are therefore briefly summarized in 4. The lightning arresters are used to protect power system from high voltage surges. Forum on lightning protection, hilton petaling jaya, 8th january 2004 1 conventional and unconventional lightning air terminals. Modern electrical systems tend to be vulnerable to voltage surges of any kind, so arresters have become more necessary. Lightning arrestor conventional lightning protection. By keeping the track of latest market trend, we are highly efficient in manufacturing and supplying an exclusive spectrum of conventional type lightning arrester. Planning and constructing a lightning protection system. What is the difference between lightning arrester and. Mar 08, 2018 a proper lightning protection system design is very important to ensure increased protection of a building against lightning and its effects. Station type valve lightning arrester this type of valve is mainly employed for the protection of the critical power equipment in the circuit of 2. Arrester type tests all arresters are designed and tested per requirements in iec 600994.
The principle lightning arrester types are as under. 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. Design guidelines for proper lightning protection system. The basis of conventional lightning protection technology. Conventional lightning protection systemlightening. Bs eniec 62305 lightning protection general standard. This coordination is obtained by having an arrester that will discharge at a lower voltage level than the voltage required to. Jul 17, 2017 lightning arresters are devices used to stop lightning from damaging electrical power systems. Calculate no of down conductor for lightning protection.
Continued from article complete overview of lightning arresters part 2. This kind of lightning protection is accepted in some. The selection of arrester depends on the various factors like voltage, current, reliability, etc. The typical lightning arrester has a highvoltage terminal and a ground terminal. Conventional lightning arrester, lightning diverter jj. Suppressor cb hs38db so239 labh350 lightning arrester hs34db la350 so239 ns3035 text. 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. Bs eniec 62305 lightning protection general standard principles. Advanced ese lightning protection system digital lightning. 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.
Zincoxide arrester design and characteristics brief history of arrester technology the first commercially available lightning arrester was developed in the late 1890s by the stanley electric manufacturing company in massachusetts. Pdf early streamer emission vs conventional lightning protection. Conventional lightning protection system comprises. Performance the zinc oxide surge arrester show an excellent protective performance, high capability to withstand lightning and switching surge, good response characteristics to steep lightning impulse and superior antipollution property. Gapped or conventional type, and ii gapless or metal oxide type.
Conventional lightning protection system components part. Types of lightning arresters the lightning arrester protects the electrical equipment from lightning. Copper bonded conventional type lightning arrester ask price brand. Countless new products over the years, such as the first connectable type 2 surge protection device with vde test mark, or the first connectable type 1 lightning current arrester with carbon technology, laid the foundation for the uniquely comprehensive product range that we offer today. This type of lps protects the building from damage by direct strike lightning but doesnt prevent the lightning striking the building. Structural earthing and lightning protection systems for.
Janakiraman, senior manager product development, obo bettermann india pvt ltd explains the design guidelines. Type of constructions b steel framed encased without metal roof as per table multiplying factor 0. Lightning arresters catch surges in electrical wiring and divert them to grounding cables, which direct the current into the ground. Calculate lightning protection for building structure.
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. Today, i introduce another type of lightning rod or air terminal or a single mast called improved single mast system or blunt ended rods see fig. The lightning arrester which consists the single or multigaps connected in series with the current controlling element, such type of arrester is known as the lightning arrester. Pdf this paper analyses and compares the conventional lightning protection systems.
Surge diverter lightning arrester working lightning. Nonconventional lightning protection system part one. This paper presents an overview of how the lightning strikes and their e ects on power distribu. Lightning amplitude ka positive and negative lightning % of lightning strikes 0 5 10 15 20. These lightning arresters are manufactured with the optimum utilization of premium quality stainless steel for protection against rust and copper bonded. To understand why typical conventional lightning protection systems require. A this section specifies the lightning protection system for the buildings or. It is a very simple type of diverter and consists of two 1. Arresters are connected between the electrical device to be protected and a solid earth ground. Today, i will explain the conventional lightning protection system lps components. Sharp pointed rods, single mast system, franklin cone. Each piece of electrical equipment in an electrical system needs to be protected from voltage surges. During thunderstorms too, high volume of energy is instantaneously released which is more common. Types of lightning arresters for outdoor application.