Ge surge arresters g table of contents ge surge protection. This test is not required by any industry standard and is in addition to the classification testing that measures the residual voltage of the mov at 5ka or 10ka. The ge tranquell secondary surge arrester is specifically designed to protect utility, agricultural, and industrial installations and equipment in the 120650 volt range from. Tranquell secondary surge arrester 650 circuit voltage rating rms 650 max permissible linetoground voltage rms 3 poles simple type. Authors in 5 have investigated the effectiveness of external and internal surge arresters on 500kv dc gas insulated lines. Pdf performance of mov arresters during very close. Mcgraw edison publication, surge arresters, storm trapper secondary voltage arresters 1980. An example of some of the mcov ratings for ge tranquell polymer arresters is noted in table 2 below.
General electric publication, home lightning protector 1972. Tranquell secondary surge arrester 650 circuit voltage rating rms 650 max permissible linetoground voltage rms 2 poles simple type. Keywords metal oxide surge arrester, atpemtp, modeling. The ge tranquell distribution and riser pole polymer line of surge arrester products provide excellent. The models were built to a 3kv ge tranquell arrester. Low voltage, high energy surge arrester for secondary. Ge offers an extensive line of surge arrester products. Distribution lightning arresters registration electric supply. Arresters provide a reduction of lightening stresses by limiting the amplitude of applied impulse waves or reflections within the machine windings. Riser pole arresters ge tranquell polymer distribution and riser pole surge arresters are used on distribution systems to protect transformers and other medium voltage power equipment from lightning and switching surge generated overvoltages. Lightning surge arresters hubbell power systems tests every mov at rated energy using an 820 current impulse. Lightning arresters selection and application guide, by j. Application guidelines overvoltage protection metal. Distribution lightning arresters registration electric.
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. Application guidelines overvoltage protection metaloxide. Lightning arrestersselection and application guide, by j. Since introducing the worlds first metal oxide arrester in 1976, offering new concepts in. Polymer surge arresters ge tranquell polymer surge arresters are constructed utilizing a rugged fieldproven silicone alloy housing placed over a unique highstrength fiberglass woven assembly of stacked metal oxide elements. In figure 1, the arrester inventor, sperry, ran the ground lead of the arrester through a magnetic solenoid. The original lightning arrester was nothing more than a. In order to navigate out of this carousel please use your heading shortcut key to navigate to the next or previous heading. The pk model was evaluate from different manufacturing, it is based on the general electric ge, siemens and ohio brass as well as ieee and pinceti model. 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. Ge tranquell secondary surge arresters 120650 vac, series 9l15f. The general subject of surge protection for station insulation involves application considerations for not only protective devices such as surge arresters and gaps but also shielding and grounding systems and equipment insulation levels.
Ge surge protection the performance and reliability of todays electric power systems can be enhanced with the unique characteristics of ges tranquell surge arrester products. The ge tranquell line of surge arrester products provide excellent protective. 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. Distribution lightning arresters overhead underground. Ge offers one of the most comprehensive range of surge arrester products in the world today. Mediumvoltage surge arresters surge arresters are used for protection of electrical equipment from all kind of overvoltages caused by lightening or switching operations. The objective for surge protection of a power system is to. An electric discharge between cloud and earth, between clouds.
The underground cable is a 15kv xlpe coaxial cable, approximately 735 meters long, covered with an insulating jacket. Lightning arrester 21 free download as powerpoint presentation. Abstract each piece of electrical equipment in an electrical system needs to be protected from voltage surges. The polymer distribution and riser pole arresters exhibit. Industrial solutions products abb industrial solutions. The typical lightning arrester has a highvoltage terminal and a ground terminal. Abb offers a complete range of surge arresters for high and medium voltage applications.
As one of the worlds leaders in mov formulation, and their use in a gapless construction design, all classes of ge arresters offer the same quality mov. General electric ge tranquell 10kv mov distribution arresters were installed between the phase and neutral. An example of some of the mcov ratings for ge tranquell polymer. Specification engineer arrester to circuits and systems rated v and greater. Ge surge protection the performance and reliability of todays electric power system can be enhanced with the unique characteristics of ge tranquell arrester products.
The selection of arrester depends on the various factors like voltage, current, reliability, etc. Lightning arresters guide electrical impedance electric. I o is peak lightning current h a is average height of line y is the distance from line of lightning stroke most typical of lightning fashovers on a distribution line much less energy than a direct strike. Registration electric supply offers one of the largest, most economical selection for distributionclass, riser pole, intermediateclass, and stationclass surge arresters for overhead and underground ap. Ge arresters are ideally suited for application in both indoor and outdoor situations. These conditions affect the protection and survivability characteristics of the. The cable was contained in pvc conduit and buried at a depth of 0. Ideal characteristics of lightning arrester installation and maintenance types of lightning arresters conclusion lightning.
Including surge arresters in the lightning performance analysis of 2kv transmission line. Since introducing the worlds first metal oxide arrester in 1976, offering new concepts in surge arrester design and application, ge has developed and applied metal oxide technology for a variety of traditional and special. This paper presents an overview of how the lightning strikes and their e ects on power distribu. The application and selection of lightning arresters by larry pryor, p. These arresters meet or exceed all requirements of the most current iec. Ge tranquell arresters when utilized with ge surge capacitors provide additional security for ac rotating machines. Several popular types of lightning arresters are available. Lightning arresters are protective devices for limiting surge voltages due to lightning strikes or equipment faults or other events, to prevent damage to equipment and disruption of service. If the gap sparked over from lightning and was followed by power system current, it would pulse the solenoid, which in turn would allow the gap to snap open. Lightning arrester normally a spark gap device connected between each leg of a pow. Since introducing the worlds first metal oxide arrester in 1976, offering new concepts in surge arrester design and application, ge. Modern electrical systems tend to be vulnerable to voltage surges of any kind, so arresters have become more necessary. Station arresters are designed and manufactured in accordance with the latest revision of ansiieee c62.
Ul 1449 nominal discharge current in the ul nominal discharge current in rating should be considered when an spd is selected for use within a ul96a lightning protection system. Ge tranquell polymer and porcelain arresters are designed to meet the most demanding service conditions. The application and selection of lightning arresters. Tranquell polymer and porcelain arresters are designed to meet the most demanding service conditions. To prevent damage to electrical equipment, surge protection considerations are paramount to a welldesigned electrical. Each piece of electrical equipment in an electrical system needs to be protected from voltage surges. General electric publication, tranquell secondary arrester protect your electrical equipment against damage by lightning 1983. Ge tranquell arresters are designed and tested in accordance with ansi ieee. Ge tranquell spds described in this manual are available in maximum surge ratings of 65ka, 80ka, 100ka, 125ka, 150ka, 200ka, 250ka and 300ka. Ge tranquell polymer surge arresters are constructed utilizing a rugged fieldproven silicone alloy epdm housing. Lightning arresters are installed on many different pieces of equipment such as. The ge tranquell secondary surge arrester is specifically designed to protect utility, agricultural, and industrial installations and equipment in the 120650 volt range from overvoltages caused by lightning discharges. This decision is based on whether or not the system is grounded and the method of system grounding.
Pdf simplified modeling of metal oxide surge arresters. Also called a surge protection device spd or transient voltage surge suppressor tvss, this class of device is used to protect equipment in power transmission and distribution systems. Performance of mov arresters during very close, direct lightning strikes to a power distribution system. A lightning arrester is the first component in a three step process designed to eliminate damaging voltage spikes from damaging electrical and electronic devices. The performance and reliability of todays electric power system can be enhanced with the unique characteristics of ge tranquell arrester products. Performance of mov arresters during very close, direct. General electric 9l15eca001 tranquell surge arrester. There is no single field test which will indicate the complete operating characteristics of the arrester. Jun 15, 1993 general electric publication, tranquell secondary arrester protect your electrical equipment against damage by lightning 1983. Lightning strikes near line and induces a voltage on it v max 38. Yinghu economy developing zone, fuyang hangzhou city, zhejiang province, china, contact us by 8657158837611 for china substation lightning arrester manufacturers. The 9l15e series arrester has a maximum continuous operating voltage mcov rating of 650 volts rms. Polymer models cover voltage ratings from 3kv to 228kv.
An electric discharge between cloud and earth, between clouds or between the charge centres of the same clouds protects power system and other equipment from lightning and switching surges. Lightning arresters are installed on many different pieces of equipment such as power poles and towers, power transformers, circuit. Hernandez page 3 of 7 ge arrester will be the full phasetophase voltage, even though the arresters are connected line to ground. Lightning flashover rate of an overhead transmission line. Storage tranquell arresters can be stored outdoors. Lightning arresters catch surges in electrical wiring and divert them to grounding cables, which direct the current into the ground. Ge tranquell arresters are designed and manufactured in accordance with the latest revision of ansi ieee c62.
Ge provides the complete assembly solution suitable for indoor or outdoor. General electric ge tranquell 10kv mov distribution. Lightning flashover rate of an overhead transmission line protected by surge arresters juan a. The core operating component of a modern lightning arrester is the metal oxide varistor mov element. Simplified modeling of metal oxide surge arresters. Surge protection for ac rotating machines ge grid solutions. Types of lightning arresters the lightning arrester protects the electrical equipment from lightning. Design of lightning arresters for electrical power systems. What is the difference between lightning arrester and. Ge tranquell polymer arresters offer exceptional electrical characteristics such as low protective levels, high energy handling capability, and improved. Since introducing the worlds first metal oxide arrester in 1976, offering new. This shopping feature will continue to load items when the enter key is pressed.
Including surge arresters in the lightning performance. Ge tranquell arresters are designed and tested in accordance with ansiieee. Abbs electrification business has always been at the forefront of innovative electrification and today is writing the future of safe, smart and sustainable electrification. A surge arrester is a device to protect electrical equipment from overvoltage transients caused by external lightning or internal switching events. Abb surge arresters are the primary protection against atmospheric and switching over voltages. The range comprises of ac and dc solutions up to 1,100kv and arresters for special applications like railways, dcvoltage limiting devices and many other purposes. Ge has been producing high voltage surge arresters since the 1950s and offers a wide variety of tranquell metal oxide gapless arresters designed to protect transformers, switchgear, and other equipment from switching and lightning surges. Ge lightning arresters selection and application guide. The tranquell secondary surge arrester is designed to protect an. Registration electric supply offers one of the largest, most economical selection for distributionclass, riser pole, intermediateclass, and stationclass surge arresters for overhead and underground applications in the industry. 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. Abb has more than 100 years of experience in designing and manufacturing surge arresters and protection devices.