Type dmxn surge arresters maximum system voltage 2 to. Both arrester survival and equipment protection must be considered in arrester selection. The earthing screen and ground wires can well protect the electric system against direct lightning strokes but the fail to provide protection against traveling waves which may be reach the terminal. In this work an analysis of the lightning performance of 33 kv aung pin lae myoma transmission line. When selecting the appropriate arrester for an effectively grounded neutral system, it is desirable to choose an arrester with the lowest uc that will meet or exceed the systems maximum linetoground voltage. Design of lightning arresters for electrical power systems. This is a lightning arrester from an 11kv power distribution line with an interesting feature to clear itself electrically when sustained current flows through it. Contents definition of surge arresters 02 siemens surge arresters for any requirement 04 always the best solution 05 history timeline 06 movs. Lightning arresters are installed on many different pieces of equipment such as power poles and towers, power transformers, circuit breakers, bus structures. The main bus 33kv is connected to grid located at sector25, indiranagar, lucknow. 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. Technical specification for design, supply, installation. Application of surge arresters for lightning protection of. Analysis and design selection of lightning arrester for distribution.
The line is protected with only surge arresters and the. Hi friends, in this article, i am going to discuss about lightning arrester types and lightning arrester working principle. Oluseyi and others published investigation of the lightning arrester operation in electric power distribution network find, read and cite all the research you need on. Manufacturer supply 10kv 11kv 15kv 18kv 27kv 30kv 33kv 42kv surge arrester lightning arrester. Surge arresters are used to protect transmission lines, transformer or other equipments from transient voltage. If the system voltage is 11kv, then the phase voltage will be 11sqrt36. It is a very simple type of diverter and consists of two 1. 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 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. The lightning arrester is a nonlinear device that acts as an open circuit to low potentials, but conducts electrical current at very high potentials. Secocue 36v gas insulated medium voltage switchgear secocube is an indoor, factoryassembled, metalenclosed, cubicle type gasinsulated switchgear for single busbar applications. This text does not try to add any knowledge to the vast knowledge base on. A surge arrester is a device to protect electrical equipment from overvoltage transients caused by external or internal events.
Superior design where low weight, reduced clearances, flexible. The surge arrestor shall be connected between phase and earth to an overhead system that is generally solidly earthed neutral 11kv and 33 kvsystems and with the following system characteristics shown in table 1. The proven type 3ej4 surge arrester is also available for indoor use. For use when requirements of lightning intensity, energy capability and pollution are heavy. Polymer lightning arrester lightning arrester30kv 10kn.
Abb offers a complete range of surge arresters for high and medium voltage applications. Surge arresters are used to protect highvoltage equipment in substations, such as transformers, circuit breakers, and bushings, against the effects of. Dmxn surge arresters are used for the protection of switchgear, transformers and other equipment in high voltage systems against atmospheric and switching overvoltages. Insulation coordination and surge arrester selection transport for. Lightning arresters a lightning arrester is a protective device which conducts the high voltage surges on the power system to the ground. Why do we make the rating of surge arrester kv always. Surge arresters mv hv 11kv 33kv medium high voltage. Electrical centre a 1 11 kv 45 kn disc insulator nos 260. Our 30kv 5ka polymer lightning arrester is made using cutting edge technology operated by highly skilled technocrats. Abb surge arresters are the primary protection against atmospheric and switching over voltages. The application and selection of lightning arresters.
It was originally developed as a suspended mounted hvdc valve arrester with several parallel metal oxide columns in a common housing. Surge arrester placement for substation lightning protection. The typical lightning arrester has a highvoltage terminal and a ground terminal. Mediumvoltage surge arresters digital asset management. Product approval and audit form drawing no 77154 662kv abb surge arrester pole mounting bracket detail. Development of 624kv 20ka class5 single column polymer surge arrester for 765kv800kv system voltage to meet specific requirement of pgcil requirement is developed indegenously type tested and supplied to pgcil proposed ss the las commissioned and monitored for its successful appear and performance at site. Cired 20th international conference on electricity distribution prague, 811 june 2009 paper 0947 application of surge arresters for lightning protection of 33kv wood pole distribution lines r. Highvoltage surge arresters digital asset management siemens. Surge arrester technology and areas of application all siemens surge arresters are subject to certified quality management and comply with international standards. Yongde surge arresters can be applied to a variety of systems including substation equipment, acdc converters, railway power system and power distribution units. One rod is connected to the line circuit and the other rod is. 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. Mediumvoltage surge arresters surge arresters are used for protection of electrical equipment from all kind of overvoltages caused by lightening or switching operations. Our uncompromising quality ensures the long service life and reliability of each.
Lightning arrester or surge arrestors manufacturers in. The lightning surge and arresters contents introduction the thunder head the flash and stroke incidence of lightning magnitude of arrester currents the lightning surge traveling waves introduction this arresterfacts is about the lightning surge from an arrester perspective. Pdf application of surge arresters for lightning protection of 33kv. Pdf line surge arresters may be applied in high lightning activity areas for the protection of upratedcompact lines that have a lower basic. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected parallel.
Lightning arrester should be located close to the equipment that it is expected to protect. This arrester provides protection against all types of ac and dc over voltages. Connex surge arresters are used for the protection to metalenclosed. Subscribe now to our power newsletterpacked with news, projects, videos, technical tips, training information, promotions, webinars, career opportunities and white papers includes access to our popular jointers blog with contributions from utility professionals, linesmen and cable jointers working on mv hv ehv cables and overhead lines typically at 11kv, 33kv, 66kv and up to 2kv. Our 30kv 5ka lightning arrester is made with precision and our quality guidelines are as per the international quality standards to ensure cost effectiveness and high value to. The system voltage is always specified in rms value or we can say that we can measure only rms value but actually the system is subjected to peak voltage. Surge arresters transmission products siemens global.
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. Xdge provides a full range of porcelain and polymer housed ieee and iec rated arresters for ac and dc transmission. Peak voltage amplitude kv distance to point x m u yphase a u yphase b u yphase c u zphase a u zphase b u zphase c most critical points are the closest point to the line. Our surge arresters are absolutely reliable and characterized by easy installation, low maintenance costs and an extremely long operating life. It is mainly used for overvoltage protection at all voltage levels in a power system. Many factors like system voltages, basic impulse insulation level, arrestor rating, station layout. The 3ej0 and 3ej9 surge arresters are optimized with an extremely low protection level for. Surge arresters for 11kv, 15kv, 24kv, 33kv to 42 kv fully qualified following iec 6009904 nexans euromold connectors 200 series interface a cable connectors hv. Abb has more than 100 years of experience in designing and manufacturing surge arresters and protection devices. Reliable long term operating stability since the zinc oxide surge arresters have no gaps, the zinc oxide resistors are exposed to a long. In this paper, a lightning protection study considering the application of surge arresters was conducted on a compact 33kv overhead wood pole distribution line. 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. Our permanent research and development and the concerted knowhow in our factories give our surge arresters a leading edge in overvoltage protection. The primary factor in determining the correct arrester voltage is its continuous linetoground operating volt age rating u c or cov.
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